ATcT [1, 2] enthalpies of formation based on version 1.140 of the Thermochemical Network [3]

Below is a list of 0 K and 298.15 K enthalpies of formation for all 3058 species included in version 1.140 (as of 09/01/2024).
This version of ATcT results[3] was generated by additional expansion of version 1.130 to fully include the highest-level electronic structure computations described in reference [4].

The elements in their standard states are listed first; the listing order of the other species follows the actual order from the ATcT solution file, which roughly reflects the number of thermochemically-relevant determinations that include the species in question (highest first). The intent is to convey a very approximate indication of the robustness of the listed values, which is generally higher toward the top of the list and lower toward the bottom.

For species other than elements in their standard states, the Species Name acts as a link to the page itemizing the most important contributors to the provenance of its ATcT enthalpy of formation, other highly correlated chemical species, and high-leverage reactions in the Thermochemical Network.
(Please note that, as opposed to traditional sequential thermochemistry where the provenance of a given enthalpy of formation is typically a single measurement, the provenances of ATcT enthalpies of formation, which are obtained by analysing and solving a large Thermochemical Network, are normally quite distributed.)



          
          
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The stoichiometry represents fractions as decimals,
e.g. 0.5 O2, 1 H2, 1 H2O would represent
1/2 O2 + H2 → H2O
Reactant Reactant Reactant Reactant Reactant Reactant Reactant Reactant
Product Product Product Product Product Product Product Product


Species Name Preferred Formula Image    ΔfH°(0 K)    ΔfH°(298.15 K) Uncertainty Units Relative
Molecular
Mass
ATcT ID
Dihydrogen [H][H]00exact2.01588 ±
0.00014
1333-74-0*0
Helium [He]00exact4.0026020 ±
0.0000020
7440-59-7*0
Carbon [C]00exact12.01070 ±
0.00080
7440-44-0*500
Dinitrogen N#N00exact28.01348 ±
0.00014
7727-37-9*0
Dioxygen O=O00exact31.99880 ±
0.00060
7782-44-7*0
Difluorine FF00exact37.9968064 ±
0.0000010
7782-41-4*0
Neon [Ne]00exact20.17970 ±
0.00060
7440-01-9*0
Silicon [Si]00exact28.08550 ±
0.00030
7440-21-3*500
Sulfur [S]00exact32.0660 ±
0.0060
7704-34-9*500
Dichlorine ClCl00exact70.9054 ±
0.0018
7782-50-5*0
Argon [Ar]00exact39.94800 ±
0.00100
7440-37-1*0
Dibromine BrBr00exact159.8080 ±
0.0020
7726-95-6*500
Krypton [Kr]00exact83.8000 ±
0.1000
7439-90-9*0
Diiodine II00exact253.808940 ±
0.000060
7553-56-2*500
Xenon [Xe]00exact131.2900 ±
0.0200
7440-63-3*0
Platinum [Pt]00exact195.0780 ±
0.0020
7440-06-4*500
Radon [Rn]00exact222.0000 ±
0.1000
10043-92-2*0
Deuterium molecule [2H][2H]00exact4.02820355600 ±
0.00000000080
7782-39-0*0
Hydrogen atom [H]216.034217.998± 0.000kJ/mol1.007940 ±
0.000070
12385-13-6*0
Carbon [C]711.389716.874± 0.040kJ/mol12.01070 ±
0.00080
7440-44-0*0
Oxygen atom [O]246.844249.229± 0.0021kJ/mol15.99940 ±
0.00030
17778-80-2*0
Methane C-66.550-74.519± 0.044kJ/mol16.04246 ±
0.00085
74-82-8*0
Nitrogen atom [N]470.577472.439± 0.023kJ/mol14.006740 ±
0.000070
17778-88-0*0
Water O-286.270-285.798± 0.022kJ/mol18.01528 ±
0.00033
7732-18-5*500
Carbon dioxide C(=O)=O-393.110-393.476± 0.015kJ/mol44.00950 ±
0.00100
124-38-9*0
Hydron [H+]1528.0841530.047± 0.000kJ/mol1.007391 ±
0.000070
12408-02-5*0
Water O-238.900-241.803± 0.022kJ/mol18.01528 ±
0.00033
7732-18-5*0
Ethane CC-68.42-84.05± 0.12kJ/mol30.0690 ±
0.0017
74-84-0*0
Chlorine atom [Cl]119.621121.302± 0.0011kJ/mol35.45270 ±
0.00090
22537-15-1*0
Fluorine atom [F]77.25479.360± 0.017kJ/mol18.99840320 ±
0.00000050
14762-94-8*0
Ethylene C=C60.8752.36± 0.11kJ/mol28.0532 ±
0.0016
74-85-1*0
Methyl [CH3]149.872146.472± 0.050kJ/mol15.03452 ±
0.00083
2229-07-4*0
Methanol CO-190.02-200.91± 0.15kJ/mol32.04186 ±
0.00090
67-56-1*0
Propane CCC-82.74-105.03± 0.15kJ/mol44.0956 ±
0.0025
74-98-6*0
Ammonia N-38.565-45.557± 0.029kJ/mol17.03056 ±
0.00022
7664-41-7*0
Bromine atom [Br]117.925111.863± 0.055kJ/mol79.90400 ±
0.00100
10097-32-2*0
Hydroxyl [OH]37.28037.520± 0.022kJ/mol17.00734 ±
0.00031
3352-57-6*0
Formaldehyde C=O-105.389-109.229± 0.095kJ/mol30.02598 ±
0.00087
50-00-0*0
Acetylene C#C228.86228.30± 0.12kJ/mol26.0373 ±
0.0016
74-86-2*0
Carbon monoxide [C-]#[O+]-113.800-110.520± 0.026kJ/mol28.01010 ±
0.00085
630-08-0*0
Hydrogen chloride Cl-91.988-92.172± 0.0062kJ/mol36.46064 ±
0.00090
7647-01-0*0
Ethanol CCO-217.28-235.00± 0.20kJ/mol46.0684 ±
0.0017
64-17-5*0
Benzene c1ccccc1100.7283.20± 0.21kJ/mol78.1118 ±
0.0048
71-43-2*0
Hydrogen fluoride F-272.678-272.725± 0.018kJ/mol20.006343 ±
0.000070
7664-39-3*0
Ethyl C[CH2]131.45120.70± 0.20kJ/mol29.0611 ±
0.0016
2025-56-1*0
Hydrogen cyanide C#N129.672129.288± 0.087kJ/mol27.02538 ±
0.00081
74-90-8*0
Propene CC=C34.8520.01± 0.18kJ/mol42.0797 ±
0.0024
115-07-1*0
Iodine [I]107.157106.757± 0.0021kJ/mol126.904470 ±
0.000030
14362-44-8*0
Hydrogen bromide Br-27.52-35.36± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*0
Nitric oxide [N]=O90.63391.137± 0.066kJ/mol30.00614 ±
0.00031
10102-43-9*0
Acetaldehyde CC=O-154.95-165.48± 0.22kJ/mol44.0526 ±
0.0017
75-07-0*0
Propyne CC#C192.64185.49± 0.21kJ/mol40.0639 ±
0.0024
74-99-7*0
Chloromethane CCl-74.71-82.65± 0.18kJ/mol50.4872 ±
0.0012
74-87-3*0
Acetone CC(=O)C-199.99-216.93± 0.26kJ/mol58.0791 ±
0.0025
67-64-1*0
Hydroxyde [OH-]-139.061-139.028± 0.022kJ/mol17.00789 ±
0.00031
14280-30-9*0
Dioxidanyl O[O]15.0712.16± 0.14kJ/mol33.00674 ±
0.00060
3170-83-0*0
Methylamine CN-6.54-21.24± 0.22kJ/mol31.05714 ±
0.00088
74-89-5*0
Nitrogen dioxide O=[N]=O36.87234.065± 0.066kJ/mol46.00554 ±
0.00060
10102-44-0*0
Vinyl C=[CH]301.24297.20± 0.27kJ/mol27.0452 ±
0.0016
2669-89-8*0
Allene C=C=C197.39189.93± 0.22kJ/mol40.0639 ±
0.0024
463-49-0*0
Fluoromethane CF-227.42-235.45± 0.23kJ/mol34.03292 ±
0.00083
593-53-3*0
Hydrogen iodide I28.64426.468± 0.036kJ/mol127.912410 ±
0.000076
10034-85-2*0
Silicon [Si]450.39454.72± 0.59kJ/mol28.08550 ±
0.00030
7440-21-3*0
Hydrogen peroxide OO-129.413-135.399± 0.058kJ/mol34.01468 ±
0.00062
7722-84-1*0
Methylene [CH2]391.063391.609± 0.094kJ/mol14.02658 ±
0.00081
2465-56-7*1
n-Butane CCCC-98.38-125.69± 0.23kJ/mol58.1222 ±
0.0033
106-97-8*0
Toluene c1ccc(cc1)C73.3450.06± 0.31kJ/mol92.1384 ±
0.0056
108-88-3*0
Silane [SiH4]42.6833.07± 0.65kJ/mol32.11726 ±
0.00041
7803-62-5*0
Ozone O=[O+][O-]144.407141.744± 0.039kJ/mol47.99820 ±
0.00090
10028-15-6*0
Methylene [CH2]428.72429.13± 0.11kJ/mol14.02658 ±
0.00081
2465-56-7*2
Ammonium hydroxide [NH4+].[OH-]-366.37± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*839
1,3-Butadiene C=CC=C125.51111.03± 0.30kJ/mol54.0904 ±
0.0032
106-99-0*0
Nitrilomethyl [C]#N436.72440.01± 0.14kJ/mol26.01744 ±
0.00080
2074-87-5*0
Methoxy C[O]28.9621.59± 0.27kJ/mol31.03392 ±
0.00088
2143-68-2*0
Ketene C=C=O-45.35-48.41± 0.11kJ/mol42.0367 ±
0.0016
463-51-4*0
Fluoride [F-]-250.911-249.126± 0.017kJ/mol18.99895178 ±
0.00000050
16984-48-8*0
Hydrogen chloride Cl-165.755± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*828
Acetonitrile CC#N81.1574.09± 0.24kJ/mol41.0520 ±
0.0016
75-05-8*0
Bromomethane CBr-20.53-35.93± 0.20kJ/mol94.9385 ±
0.0013
74-83-9*0
Hydrogen iodide I-56.643± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*844
Formic acid C(=O)O-371.03-378.35± 0.21kJ/mol46.0254 ±
0.0010
64-18-6*1
Methoxide C[O-]-122.43-130.16± 0.27kJ/mol31.03447 ±
0.00088
3315-60-4*0
Acetic acid CC(=O)O-484.66± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*828
Hydrogen bromide Br-120.26± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*842
iso-Butane CC(C)C-105.96-134.56± 0.27kJ/mol58.1222 ±
0.0033
75-28-5*0
Formic acid C(=O)O-425.29± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*828
Hydrogen fluoride F-303.21± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*590
Hydroxymethyl [CH2]O-10.28-16.58± 0.28kJ/mol31.03392 ±
0.00088
2597-43-5*0
Hypochlorous acid OCl-73.837-76.777± 0.024kJ/mol52.46004 ±
0.00095
7790-92-3*0
Amidogen [NH2]188.92186.03± 0.11kJ/mol16.02262 ±
0.00016
13770-40-6*0
Formyl [CH]=O41.38141.755± 0.095kJ/mol29.01804 ±
0.00086
2597-44-6*0
Acetic acid CC(=O)O-418.53-432.70± 0.36kJ/mol60.0520 ±
0.0017
64-19-7*1
Phenyl c1cccc[c]1352.13338.78± 0.63kJ/mol77.1039 ±
0.0048
2396-01-2*0
Tetrafluoromethane C(F)(F)(F)F-927.66-933.63± 0.23kJ/mol88.00431 ±
0.00080
75-73-0*0
Sulfur dioxide O=S=O-294.14-296.68± 0.13kJ/mol64.0648 ±
0.0060
7446-09-5*0
Dibromine BrBr45.7030.90± 0.11kJ/mol159.8080 ±
0.0020
7726-95-6*0
Diiodine II65.49762.417± 0.0041kJ/mol253.808940 ±
0.000060
7553-56-2*0
Ethynyl C#[C]563.74567.85± 0.15kJ/mol25.0293 ±
0.0016
2122-48-7*0
Propargyl [CH2]C#C354.02351.43± 0.32kJ/mol39.0559 ±
0.0024
2932-78-7*0
Cyclopropane C1CC171.0553.92± 0.32kJ/mol42.0797 ±
0.0024
75-19-4*0
Allyl C=C[CH2]179.87168.14± 0.33kJ/mol41.0718 ±
0.0024
1981-80-2*0
Chloroethane CCCl-96.97-111.56± 0.25kJ/mol64.5138 ±
0.0019
75-00-3*0
Chloride [Cl-]-228.953-227.346± 0.0021kJ/mol35.45325 ±
0.00090
16887-00-6*0
Methanimine C=N96.3788.46± 0.34kJ/mol29.04126 ±
0.00083
2053-29-4*0
Ethylamine CCN-28.18-49.95± 0.44kJ/mol45.0837 ±
0.0017
75-04-7*0
Fluoroform C(F)(F)F-689.29-696.24± 0.38kJ/mol70.01385 ±
0.00080
75-46-7*0
Oxomethylium [CH+]=O827.757827.173± 0.095kJ/mol29.01749 ±
0.00086
17030-74-9*0
Ethenol C=CO-113.38-124.50± 0.38kJ/mol44.0526 ±
0.0017
557-75-5*1
Acetyl C[C]=O-3.67-10.24± 0.29kJ/mol43.0446 ±
0.0016
3170-69-2*0
Trifluoromethyl F[C](F)F-464.88-467.68± 0.43kJ/mol69.00591 ±
0.00080
2264-21-3*0
Ethylium [CH2+]1[CH2][H]1915.10903.02± 0.30kJ/mol29.0606 ±
0.0016
14936-94-8*0
n-Propyl CC[CH2]118.31100.90± 0.40kJ/mol43.0877 ±
0.0024
2143-61-5*0
Phenol c1ccc(cc1)O-74.68-93.27± 0.63kJ/mol94.1112 ±
0.0048
108-95-2*0
Tetrachloromethane ClC(Cl)(Cl)Cl-89.37-91.54± 0.42kJ/mol153.8215 ±
0.0037
56-23-5*0
Formamide NC=O-178.63-188.99± 0.34kJ/mol45.04066 ±
0.00088
75-12-7*0
Bromide [Br-]-206.612-212.674± 0.055kJ/mol79.90455 ±
0.00100
24959-67-9*0
Hypobromous acid OBr-51.27-61.74± 0.48kJ/mol96.9113 ±
0.0010
13517-11-8*0
Oxonium [OH3+]605.89599.14± 0.17kJ/mol19.02267 ±
0.00037
13968-08-6*0
Methyl hydroperoxide COO-114.91-127.73± 0.44kJ/mol48.0413 ±
0.0010
3031-73-0*0
iso-Propyl C[CH]C105.5088.63± 0.40kJ/mol43.0877 ±
0.0024
2025-55-0*0
Cyanoacetylene C#CC#N372.17373.92± 0.58kJ/mol51.0468 ±
0.0024
1070-71-9*0
Benzaldehyde c1ccc(cc1)C=O-19.75-37.54± 0.77kJ/mol106.1219 ±
0.0056
100-52-7*0
Chlorooxidanyl Cl=O101.124101.716± 0.035kJ/mol51.45210 ±
0.00095
14989-30-1*0
Iodide [I-]-187.995-188.396± 0.0021kJ/mol126.905019 ±
0.000030
20461-54-5*0
Methylidyne [CH]592.979596.314± 0.081kJ/mol13.01864 ±
0.00080
3315-37-5*0
Methylperoxy CO[O]22.5213.07± 0.34kJ/mol47.0333 ±
0.0010
2143-58-0*0
Dioxymethyl [O-]\[O+]=C111.66104.65± 0.56kJ/mol46.0254 ±
0.0010
56077-92-0*0
Nitric acid O[N+](=O)[O-]-124.44-134.16± 0.17kJ/mol63.01288 ±
0.00091
7697-37-2*0
Cyclopentadiene C1C=CC=C1151.82134.70± 0.54kJ/mol66.1011 ±
0.0040
542-92-7*0
Hydroxyformyl O[C]=O-181.15-184.12± 0.40kJ/mol45.0174 ±
0.0010
2564-86-5*1
Vinyl chloride C=CCl29.3621.78± 0.27kJ/mol62.4979 ±
0.0018
75-01-4*0
Imidogen [NH]358.74358.79± 0.16kJ/mol15.014680 ±
0.000099
13774-92-0*0
1-Hydroxyethyl C[CH]O-42.82-56.25± 0.46kJ/mol45.0605 ±
0.0017
2348-46-1*1
Vinylacetylene C=CC#C296.24289.48± 0.56kJ/mol52.0746 ±
0.0032
689-97-4*0
Ethoxide CC[O-]-163.84-178.78± 0.44kJ/mol45.0610 ±
0.0017
16331-64-9*0
Methoxymethane COC-166.51-184.01± 0.37kJ/mol46.0684 ±
0.0017
115-10-6*0
1,3-Butadiyne C#CC#C458.30460.03± 0.50kJ/mol50.0587 ±
0.0032
460-12-8*0
Sulfur trioxide O=S(=O)=O-389.74-395.48± 0.24kJ/mol80.0642 ±
0.0061
7446-11-9*0
Methylium [CH3+]1099.3461095.402± 0.045kJ/mol15.03397 ±
0.00083
14531-53-4*0
Isocyanic acid N=C=O-115.94-118.93± 0.28kJ/mol43.02478 ±
0.00086
75-13-8*0
Cyanamide NC#N141.60135.59± 0.78kJ/mol42.04006 ±
0.00082
420-04-2*0
Difluorophosgene O=C(F)F-603.35-606.45± 0.40kJ/mol66.00691 ±
0.00085
353-50-4*0
Hypofluorous acid OF-84.37-87.27± 0.19kJ/mol36.00574 ±
0.00031
14034-79-8*0
Oxygen atom anion [O-]105.868108.097± 0.0021kJ/mol15.99995 ±
0.00030
14337-01-0*0
Nitric acid O[N+](=O)[O-]-206.22± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*839
Iodomethane CI24.4014.87± 0.18kJ/mol141.93899 ±
0.00083
74-88-4*0
Isobutene CC(=C)C4.22-16.84± 0.32kJ/mol56.1063 ±
0.0032
115-11-7*0
N-Methylenemethanamine CN=C94.4979.57± 0.67kJ/mol43.0678 ±
0.0016
1761-67-7*0
Dichloromethane C(Cl)Cl-86.90-93.75± 0.34kJ/mol84.9320 ±
0.0020
75-09-2*0
Chlorobenzene c1ccc(cc1)Cl67.2652.31± 0.61kJ/mol112.5566 ±
0.0049
108-90-7*0
Hydrogen chloride Cl-166.449± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*834
Isocyanomethane C[N+]#[C-]183.85177.31± 0.46kJ/mol41.0520 ±
0.0016
593-75-9*0
1,2-Butadiene CC=C=C176.02162.52± 0.42kJ/mol54.0904 ±
0.0032
590-19-2*0
Ethynide C#[C-]277.29280.71± 0.19kJ/mol25.0299 ±
0.0016
29075-95-4*0
Dimethylamine CNC4.22-17.42± 0.39kJ/mol45.0837 ±
0.0017
124-40-3*0
Trimethylsilane C[SiH](C)C-125.8-151.9± 1.5kJ/mol74.1970 ±
0.0025
993-07-7*0
Hydride [H-]143.264145.228± 0.000kJ/mol1.008489 ±
0.000070
12184-88-2*0
Oxirane C1OC1-39.89-52.43± 0.36kJ/mol44.0526 ±
0.0017
75-21-8*0
Cyanogen chloride N#CCl135.13135.83± 0.43kJ/mol61.4701 ±
0.0012
506-77-4*0
Phenide c1cccc[c-]1244.29230.86± 0.38kJ/mol77.1044 ±
0.0048
30922-78-2*0
Cyclopropene C1C=C1292.44283.71± 0.42kJ/mol40.0639 ±
0.0024
2781-85-3*0
2-Hydroxyethyl [CH2]CO-13.01-26.28± 0.49kJ/mol45.0605 ±
0.0017
4422-54-2*1
Trihydrogen cation [H]1[H+][H]11110.3041106.696± 0.013kJ/mol3.02327 ±
0.00021
28132-48-1*0
Methyl formate COC=O-346.96-360.01± 0.65kJ/mol60.0520 ±
0.0017
107-31-3*1
Acrolein C=CC=O-55.17-65.57± 0.64kJ/mol56.0633 ±
0.0024
107-02-8*1
Sulfuric acid OS(=O)(=O)O-887.45± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*828
Ammonium [NH4+]643.03631.71± 0.20kJ/mol18.03795 ±
0.00029
14798-03-9*0
Nitrous acid N(=O)O-72.977-79.120± 0.079kJ/mol47.01348 ±
0.00061
7782-77-6*1
Methylamidogen C[NH]187.90177.24± 0.40kJ/mol30.04920 ±
0.00085
15622-51-2*0
Cyanide [C-]#N63.96867.254± 0.091kJ/mol26.01799 ±
0.00080
57-12-5*0
2-Butyne CC#CC159.46146.50± 0.45kJ/mol54.0904 ±
0.0032
503-17-3*0
Difluoromethane C(F)F-443.32-450.94± 0.33kJ/mol52.02339 ±
0.00081
75-10-5*0
Silyl [SiH3]204.78199.31± 0.85kJ/mol31.10932 ±
0.00037
13765-44-1*0
Sulfurous acid O=S(O)O-617.23± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*898
Oxygen difluoride FOF26.8224.57± 0.22kJ/mol53.99621 ±
0.00030
7783-41-7*0
Hypochlorite [Cl-]=O-118.60-118.33± 0.13kJ/mol51.45265 ±
0.00095
14380-61-1*0
Nitrosyl hydride N=O109.94106.97± 0.11kJ/mol31.01408 ±
0.00032
14332-28-6*0
Propynylidene [CH]=C=[CH]543.68546.68± 0.64kJ/mol38.0480 ±
0.0024
67152-18-5*1
Butatriene C=C=C=C328.32322.06± 0.62kJ/mol52.0746 ±
0.0032
2873-50-9*0
Ethoxy CC[O]1.29-12.62± 0.42kJ/mol45.0605 ±
0.0017
2154-50-9*51
Acetone enol C=C(O)C-151.34-168.62± 0.68kJ/mol58.0791 ±
0.0025
29456-04-0*1
Phosgene O=C(Cl)Cl-217.50-219.19± 0.24kJ/mol98.9155 ±
0.0020
75-44-5*0
1-Hydroxy-2-propanone CC(=O)CO-354.54-373.93± 0.84kJ/mol74.0785 ±
0.0025
116-09-6*11
Cyanoamidogen [NH]C#N322.70320.21± 0.63kJ/mol41.03212 ±
0.00082
12347-01-2*1
Chloroform C(Cl)(Cl)Cl-94.60-99.50± 0.40kJ/mol119.3767 ±
0.0028
67-66-3*0
Tetrafluoroethylene C(F)(F)=C(F)(F)-670.70-674.10± 0.48kJ/mol100.0150 ±
0.0016
116-14-3*0
Fluoromethylidyne [C]F243.17246.78± 0.11kJ/mol31.00910 ±
0.00080
3889-75-6*0
Acrylonitrile C=CC#N193.81187.05± 0.66kJ/mol53.0627 ±
0.0024
107-13-1*1
Silanol [SiH3]O-271.0-282.7± 1.3kJ/mol48.11666 ±
0.00051
14475-38-8*0
Naphthalene c1ccc2ccccc2c1171.21147.73± 0.55kJ/mol128.1705 ±
0.0080
91-20-3*0
Oxygen atom cation [O+]1560.7861562.643± 0.0021kJ/mol15.99885 ±
0.00030
14581-93-2*0
1,2-Propadiene-1,3-diylidene [C]=C=[C]814.39823.35± 0.49kJ/mol36.0321 ±
0.0024
12075-35-3*0
Methylidyne [CH]664.70668.04± 0.52kJ/mol13.01864 ±
0.00080
3315-37-5*2
Vinyl anion C=[CH-]236.97232.55± 0.68kJ/mol27.0458 ±
0.0016
25012-81-1*0
Cyanogen bromide N#CBr186.8180.2± 1.4kJ/mol105.9214 ±
0.0013
506-68-3*0
n-Butyl CCC[CH2]102.9480.44± 0.61kJ/mol57.1143 ±
0.0033
2492-36-6*0
trans-2-Butene C/C=C/C9.55-11.02± 0.30kJ/mol56.1063 ±
0.0032
624-64-6*0
1-Butene CCC=C21.120.17± 0.34kJ/mol56.1063 ±
0.0032
106-98-9*0
Ethyl hydroperoxide CCOO-142.74-161.16± 0.72kJ/mol62.0678 ±
0.0018
3031-74-1*0
Ethylperoxy CCO[O]-6.27-22.29± 0.64kJ/mol61.0599 ±
0.0017
3170-61-4*3
Formate C(=O)[O-]-463.16-466.80± 0.55kJ/mol45.0180 ±
0.0010
71-47-6*0
Methyl acetate CC(=O)OC-394.18-413.05± 0.57kJ/mol74.0785 ±
0.0025
79-20-9*1
Ethyl bromide CCBr-41.03-62.97± 0.24kJ/mol108.9651 ±
0.0019
74-96-4*0
Vinyl bromide C=CBr88.7573.94± 0.56kJ/mol106.9492 ±
0.0019
593-60-2*0
Benzoyl c1ccc(cc1)[C]=O138.2124.7± 1.1kJ/mol105.1140 ±
0.0056
2652-65-5*0
Methyl nitrite CON=O-55.53-67.31± 0.44kJ/mol61.0401 ±
0.0010
624-91-9*2
Propadienone C=C=C=O132.14130.50± 0.61kJ/mol54.0474 ±
0.0024
61244-93-7*0
Chlorine fluoride ClF-55.621-55.716± 0.030kJ/mol54.45110 ±
0.00090
7790-89-8*0
Diazynium N#[NH+]1042.571038.95± 0.67kJ/mol29.02087 ±
0.00016
12357-66-3*0
Nitrite O=[N-]=O-182.62-185.43± 0.46kJ/mol46.00609 ±
0.00060
14797-65-0*0
Hydroxylamine NO-33.08-43.46± 0.42kJ/mol33.02996 ±
0.00037
7803-49-8*1
Aminomethyl [CH2]N159.36149.52± 0.35kJ/mol30.04920 ±
0.00085
10507-29-6*0
cis-2-Butene C/C=C\C14.29-6.98± 0.39kJ/mol56.1063 ±
0.0032
590-18-1*0
1-Butyne CCC#C180.34166.75± 0.55kJ/mol54.0904 ±
0.0032
107-00-6*0
n-Hexane CCCCCC-129.90-166.78± 0.32kJ/mol86.1754 ±
0.0049
110-54-3*0
Methanetetraylbisamidogen [N]=C=[N]451.36451.77± 0.41kJ/mol40.02418 ±
0.00081
2669-76-3*0
Tetrabromomethane BrC(Br)(Br)Br143.4113.7± 1.1kJ/mol331.6267 ±
0.0041
558-13-4*0
Vinyl fluoride C=CF-134.54-142.34± 0.45kJ/mol46.0436 ±
0.0016
75-02-5*0
Phenylium c1cccc[c+]11149.131136.35± 0.85kJ/mol77.1034 ±
0.0048
17333-73-2*0
Fluorobenzene c1ccc(cc1)F-96.02-111.70± 0.39kJ/mol96.1023 ±
0.0048
462-06-6*0
Nitromethane C[N+](=O)[O-]-60.77-74.67± 0.42kJ/mol61.0401 ±
0.0010
75-52-5*0
Fluorooxidanyl [O]F110.28110.90± 0.14kJ/mol34.99780 ±
0.00030
12061-70-0*0
Hypoiodous acid OI-54.1-58.9± 3.1kJ/mol143.91181 ±
0.00031
14332-21-9*0
Nitrous oxide [N-]=[N+]=O86.02382.594± 0.096kJ/mol44.01288 ±
0.00033
10024-97-2*0
Azanide [NH2-]114.65111.77± 0.29kJ/mol16.02317 ±
0.00016
17655-31-1*0
Methanium [CH5+]921.99911.74± 0.44kJ/mol17.04985 ±
0.00087
15135-49-6*0
Peroxynitrous acid OON=O-5.73-14.17± 0.35kJ/mol63.01288 ±
0.00091
14691-52-2*3
Ethylidene [CH]C361.26354.25± 0.48kJ/mol28.0532 ±
0.0016
4218-50-2*1
Cyanomethyl [CH2]C#N262.84259.96± 0.53kJ/mol40.0440 ±
0.0016
2932-82-3*0
Cyanic fluoride N#CF8.528.85± 0.70kJ/mol45.01584 ±
0.00080
1495-50-7*0
n-Pentane CCCCC-114.18-146.06± 0.29kJ/mol72.1488 ±
0.0041
109-66-0*0
Methanediol C(O)O-378.60-392.55± 0.71kJ/mol48.0413 ±
0.0010
463-57-0*1
Formic acid C(=O)O-354.70-361.81± 0.37kJ/mol46.0254 ±
0.0010
64-18-6*2
Cyanooxidanyl N#C[O]126.95127.43± 0.33kJ/mol42.01684 ±
0.00086
22400-26-6*0
Ethenamine C=CN69.2954.73± 0.66kJ/mol43.0678 ±
0.0016
593-67-9*0
Aziridine N1CC1143.27126.74± 0.88kJ/mol43.0678 ±
0.0016
151-56-4*0
Fluoroethane CCF-257.25-272.11± 0.36kJ/mol48.0595 ±
0.0016
353-36-6*0
Chlorotrifluoromethane FC(F)(F)Cl-704.30-709.41± 0.56kJ/mol104.4586 ±
0.0012
75-72-9*0
Pyridine c1ccncc1157.34140.54± 0.40kJ/mol79.0999 ±
0.0040
110-86-1*0
Acrylonitrile C=CC#N193.81187.05± 0.66kJ/mol53.0627 ±
0.0024
107-13-1*0
1,2,3-Butatrien-1-yl C=C=C=[CH]497.40497.42± 0.69kJ/mol51.0666 ±
0.0032
22112-56-7*0
Disilane [SiH3][SiH3]92.176.0± 1.3kJ/mol62.21864 ±
0.00073
1590-87-0*0
2,4-Hexadiyne CC#CC#CC380.21370.19± 0.85kJ/mol78.1118 ±
0.0048
2809-69-0*0
Hydrogen sulfide S-17.32-20.24± 0.19kJ/mol34.0819 ±
0.0060
7783-06-4*0
Bromooxidanyl [O]Br131.21123.68± 0.28kJ/mol95.9034 ±
0.0010
15656-19-6*0
Dioxygen cation O=[O+]1164.5851165.221± 0.0092kJ/mol31.99825 ±
0.00060
12185-07-8*0
Ethynylene [C]=[C]819.977828.443± 0.085kJ/mol24.0214 ±
0.0016
12070-15-4*0
Ethanide C[CH2-]155.41144.33± 0.87kJ/mol29.0616 ±
0.0016
25013-41-6*0
Vinylium [CH+]1[CH][H]11119.111115.67± 0.55kJ/mol27.0447 ±
0.0016
14604-48-9*0
Vinylidene [C]=C411.21412.12± 0.30kJ/mol26.0373 ±
0.0016
2143-69-3*0
Hydroxymethylium [CH2+]O717.68709.74± 0.18kJ/mol31.03337 ±
0.00088
18682-95-6*0
Hydroxymethylene [CH]O112.68108.91± 0.27kJ/mol30.02598 ±
0.00087
19710-56-6*1
Peroxyformic acid C(=O)OO-279.25-288.60± 0.63kJ/mol62.0248 ±
0.0012
107-32-4*1
1,2-Propadienyl anion C=C=[CH-]266.02262.96± 0.63kJ/mol39.0565 ±
0.0024
64066-06-4*0
Propadienylidene C=C=[C]554.42555.56± 0.40kJ/mol38.0480 ±
0.0024
60731-10-4*0
Cyclopentane C1CCCC1-43.37-75.94± 0.38kJ/mol70.1329 ±
0.0041
287-92-3*0
Vinoxy C=C[O]22.9816.18± 0.57kJ/mol43.0446 ±
0.0016
6912-06-7*0
Propionaldehyde CCC=O-171.22-186.62± 0.24kJ/mol58.0791 ±
0.0025
123-38-6*0
Phenolate c1ccc(cc1)[O-]-146.44-161.91± 0.84kJ/mol93.1038 ±
0.0048
3229-70-7*0
(1E)-Ethanimine CC=N55.7139.50± 0.72kJ/mol43.0678 ±
0.0016
56003-81-7*0
Diazomethyl [CH]=[N]=[N]467.84465.28± 0.68kJ/mol41.03212 ±
0.00082
20813-32-5*1
Bromotrifluoromethane FC(F)(F)Br-638.67-650.79± 0.40kJ/mol148.9099 ±
0.0013
75-63-8*0
Bromoform C(Br)(Br)Br80.454.3± 1.1kJ/mol252.7306 ±
0.0031
75-25-2*0
Cyclopentadienyl [CH]1C=CC=C1275.27262.15± 0.91kJ/mol65.0932 ±
0.0040
2143-53-5*0
Carbamoyl N[C]=O-7.78-14.19± 0.74kJ/mol44.03272 ±
0.00087
2858-51-7*0
Tetrahedrane C12C3C1C23547.66539.25± 0.91kJ/mol52.0746 ±
0.0032
157-39-1*0
Silylene [SiH2]271.42269.76± 0.86kJ/mol30.10138 ±
0.00033
13825-90-6*2
Chlorine dioxide O=Cl=O101.4198.94± 0.29kJ/mol67.4515 ±
0.0011
10049-04-4*0
(E)-Diazene [H]/N=N/[H]207.11199.97± 0.41kJ/mol30.02936 ±
0.00020
15626-43-4*0
Ethylidene [CH]C373.60366.37± 0.57kJ/mol28.0532 ±
0.0016
4218-50-2*2
(E)-Iminomethyl [CH]=N275.79272.17± 0.56kJ/mol28.03332 ±
0.00082
54980-10-8*0
Cyanogen N#CC#N308.16310.11± 0.41kJ/mol52.0349 ±
0.0016
460-19-5*0
Water O-285.798± 0.022kJ/mol18.01528 ±
0.00033
7732-18-5*590
Peroxyformyl C(=O)O[O]-100.43-105.73± 0.67kJ/mol61.0168 ±
0.0012
56240-83-6*1
1-Methylethenyl C[C]=C262.98252.58± 0.61kJ/mol41.0718 ±
0.0024
15552-77-9*0
neo-Pentane CC(C)(C)C-134.26-167.14± 0.38kJ/mol72.1488 ±
0.0041
463-82-1*0
Cyclopentene C1CC=CC159.9435.67± 0.43kJ/mol68.1170 ±
0.0040
142-29-0*0
Trimethylamine CN(C)C2.24-26.62± 0.75kJ/mol59.1103 ±
0.0025
75-50-3*0
Diazomethane C=[N+]=[N-]273.61267.34± 0.86kJ/mol42.04006 ±
0.00082
334-88-3*0
Dichloromethylene Cl[C]Cl229.86231.04± 0.64kJ/mol82.9161 ±
0.0020
1605-72-7*2
Trifluoromethylium F[C+](F)F409.75406.54± 0.42kJ/mol69.00536 ±
0.00080
18851-76-8*0
Trioxidane OOO-81.72-90.56± 0.41kJ/mol50.01408 ±
0.00091
14699-99-1*1
Ethyl nitrite CCON=O-81.26-99.99± 0.87kJ/mol75.0666 ±
0.0017
109-95-5*1
Methylketene CC=C=O-54.16-63.63± 0.63kJ/mol56.0633 ±
0.0024
6004-44-0*0
Hypobromite [O-]Br-96.02-103.50± 0.54kJ/mol95.9039 ±
0.0010
14380-62-2*0
Azido radical [N]N=[N]452.29449.70± 0.60kJ/mol42.02022 ±
0.00021
12596-60-0*0
Hydroxyoxomethylium O[C+]=O600.69597.60± 0.43kJ/mol45.0169 ±
0.0010
638-71-1*0
Aminooxy N[O]70.6364.02± 0.62kJ/mol32.02202 ±
0.00034
13408-29-2*0
Hydroxyamidogen [NH]O101.2894.45± 0.87kJ/mol32.02202 ±
0.00034
13940-32-4*1
Hydrazoic acid N=[N+]=[N-]297.94291.64± 0.49kJ/mol43.02816 ±
0.00022
7782-79-8*0
Acetylium C[C+]=O666.65659.36± 0.42kJ/mol43.0441 ±
0.0016
15762-07-9*0
Aminomethylium [CH2+]N763.52751.55± 0.52kJ/mol30.04865 ±
0.00085
488821-23-4*0
Difluorodioxidane FOOF35.3431.61± 0.40kJ/mol69.99561 ±
0.00060
7783-44-0*0
Hydrogen isocyanide [C]=N192.05192.43± 0.31kJ/mol27.02538 ±
0.00081
6914-07-4*0
Chloroacetylene C#CCl229.28230.14± 0.45kJ/mol60.4820 ±
0.0018
593-63-5*0
Fluoroacetylene C#CF104.97105.68± 0.40kJ/mol44.0277 ±
0.0016
2713-09-9*0
1-Propenyl CC=[CH]278.15267.31± 0.63kJ/mol41.0718 ±
0.0024
6067-68-1*2
1-Hydroxyethylium C[CH+]O608.80594.37± 0.38kJ/mol45.0600 ±
0.0017
18682-96-7*1
Ketenyl [CH]=C=O177.10178.20± 0.54kJ/mol41.0287 ±
0.0016
51095-15-9*0
Formic acid C(=O)O-371.03-378.32± 0.21kJ/mol46.0254 ±
0.0010
64-18-6*0
Ozonide O=[O-]=O-58.47-60.83± 0.21kJ/mol47.99875 ±
0.00090
12596-80-4*0
Acetic acid CC(=O)O-397.72-412.13± 0.52kJ/mol60.0520 ±
0.0017
64-19-7*2
Glycolaldehyde C(=O)CO-304.43-317.70± 0.89kJ/mol60.0520 ±
0.0017
141-46-8*11
Methyl formate COC=O-326.6-339.1± 1.1kJ/mol60.0520 ±
0.0017
107-31-3*2
Glyoxal O=CC=O-207.79-213.43± 0.55kJ/mol58.0361 ±
0.0017
107-22-2*1
(Methylamino)methyl CN[CH2]168.51152.06± 0.69kJ/mol44.0758 ±
0.0017
31277-24-4*0
Diazirinyl C1=N[N]1491.06487.67± 0.96kJ/mol41.03212 ±
0.00082
69967-71-1*1
Diazirine C1N=N1320.7313.0± 1.1kJ/mol42.04006 ±
0.00082
157-22-2*0
Trichloromethyl Cl[C](Cl)Cl73.7373.25± 0.84kJ/mol118.3688 ±
0.0028
3170-80-7*0
1,1-Dichloroethane CC(Cl)Cl-120.19-132.97± 0.43kJ/mol98.9586 ±
0.0024
75-34-3*0
Bromobenzene c1ccc(cc1)Br127.0104.9± 1.3kJ/mol157.0079 ±
0.0049
108-86-1*0
Phenylethene c1ccc(cc1)C=C169.92148.59± 0.51kJ/mol104.1491 ±
0.0064
100-42-5*0
Phenylacetylene c1ccc(cc1)C#C332.81317.65± 0.69kJ/mol102.1332 ±
0.0064
536-74-3*0
Dioxidanide O[O-]-88.92-91.58± 0.34kJ/mol33.00729 ±
0.00060
14691-59-9*0
Acetophenone c1ccc(cc1)C(=O)C-61.4-84.6± 1.0kJ/mol120.1485 ±
0.0064
98-86-2*0
Nitrosomethane CN=O80.7770.86± 0.91kJ/mol45.04066 ±
0.00088
865-40-7*0
Isocyanoacetylene C#C[N+]#[C-]484.75486.97± 0.99kJ/mol51.0468 ±
0.0024
66723-45-3*0
Cyclobutadiene C1=CC=C1436.62428.17± 0.69kJ/mol52.0746 ±
0.0032
1120-53-2*0
Fulvene C=C1C=CC=C1232.1216.0± 1.1kJ/mol78.1118 ±
0.0048
497-20-1*0
Silanone [SiH2]=O-93.7-99.1± 1.0kJ/mol46.10078 ±
0.00045
22755-01-7*0
Silyloxy [SiH3][O]8.60.6± 1.4kJ/mol47.10872 ±
0.00047
81429-20-1*0
Sulfur [S]276.89279.14± 0.14kJ/mol32.0660 ±
0.0060
7704-34-9*0
Chlorous acid OCl=O25.7620.71± 0.63kJ/mol68.4594 ±
0.0011
13898-47-0*0
Iodooxidanyl I[O]127.00125.07± 0.82kJ/mol142.90387 ±
0.00030
14696-98-1*0
Carbon monoxide cation [C]#[O+]1238.3091241.589± 0.026kJ/mol28.00955 ±
0.00085
12144-04-6*0
Hydrazine NN111.7197.56± 0.44kJ/mol32.04524 ±
0.00031
302-01-2*0
Nitrate O=[N+]([O-])[O-]-299.72-306.27± 0.22kJ/mol62.00549 ±
0.00090
14797-55-8*0
Methanide [CH3-]141.15137.71± 0.24kJ/mol15.03507 ±
0.00083
15194-58-8*0
Methyleneamidogen C=[N]242.07238.42± 0.55kJ/mol28.03332 ±
0.00082
15845-29-1*0
Hypofluorite [O-]F-108.84-108.67± 0.48kJ/mol34.99835 ±
0.00030
12763-66-5*0
Cyanogen iodide IC#N222.5222.0± 1.7kJ/mol152.92191 ±
0.00080
506-78-5*0
Formyl anion [CH-]=O11.5911.98± 0.44kJ/mol29.01859 ±
0.00086
57340-31-5*0
Cyclopropyl C1C[CH]1303.87291.24± 0.48kJ/mol41.0718 ±
0.0024
2417-82-5*0
2-Propynylidyne C#C[C]718.75723.11± 0.71kJ/mol37.0400 ±
0.0024
53590-28-6*0
Fluorodioxidanyl FO[O]26.8725.16± 0.26kJ/mol50.99720 ±
0.00060
15499-23-7*0
iso-Pentane CCC(C)C-118.94-152.98± 0.39kJ/mol72.1488 ±
0.0041
78-78-4*0
1-Hydroxyethylidene C[C]O57.3747.00± 0.77kJ/mol44.0526 ±
0.0017
30967-49-8*21
Dicarbon monoxide [C]=C=O377.12381.16± 0.83kJ/mol40.0208 ±
0.0016
12071-23-7*1
1-Propanol CCCO-231.26-255.10± 0.24kJ/mol60.0950 ±
0.0025
71-23-8*0
Acetic acid CC(=O)O-418.53-432.69± 0.36kJ/mol60.0520 ±
0.0017
64-19-7*0
Dimethylamidogen C[N]C174.77157.43± 0.91kJ/mol44.0758 ±
0.0017
15337-44-7*0
2-Iminoethyl [CH2]C=N219.27207.90± 0.86kJ/mol42.0599 ±
0.0016
73843-90-0*2
Isocyanoamidogen [NH][N+]#[C-]489.7487.7± 1.2kJ/mol41.03212 ±
0.00082
947408-73-3*1
Chloromethylene [CH]Cl320.35320.64± 0.89kJ/mol48.4713 ±
0.0012
2108-20-5*2
Dibromomethane C(Br)Br27.46.0± 1.1kJ/mol173.8346 ±
0.0022
74-95-3*0
1,1-Difluoroethene C=C(F)F-343.48-350.54± 0.76kJ/mol64.0341 ±
0.0016
75-38-7*0
o-Tolualdehyde Cc1ccccc1C=O-44.7-66.9± 1.1kJ/mol120.1485 ±
0.0064
529-20-4*0
Acetonyl CC(=O)[CH2]-18.47-32.07± 0.68kJ/mol57.0712 ±
0.0024
3122-07-4*0
3-Buten-2-one CC(=O)C=C-95.39-111.63± 0.85kJ/mol70.0898 ±
0.0032
78-94-4*1
Urea NC(=O)N-218.18-234.58± 0.42kJ/mol60.05534 ±
0.00091
57-13-6*0
Oxomethaniminium [NH2+]=C=O695.32688.76± 0.89kJ/mol44.03217 ±
0.00087
59348-22-0*0
Acetamide CC(=O)N-219.62-237.13± 0.56kJ/mol59.0672 ±
0.0017
60-35-5*0
1-Cyanovinyl C=[C]C#N419.0418.8± 1.1kJ/mol52.0547 ±
0.0024
15091-87-9*0
Disilanyl [SiH3][SiH2]242.6230.6± 1.6kJ/mol61.21070 ±
0.00069
73151-72-1*0
Disilene [SiH2]=[SiH2]288.6280.0± 1.9kJ/mol60.20276 ±
0.00066
15435-77-5*2
1,3-Hexadiyne CCC#CC#C405.12393.42± 0.96kJ/mol78.1118 ±
0.0048
4447-21-6*0
(E)-1-Methylallyl C/C=C/[CH2]152.54135.23± 0.79kJ/mol55.0984 ±
0.0032
17787-86-9*0
Sulfuric acid OS(=O)(=O)O-892.16± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*839
Chlorine trifluoride FCl(F)F-158.63-162.73± 0.86kJ/mol92.44791 ±
0.00090
7790-91-2*0
Chlorine atom cation [Cl+]1370.8071372.603± 0.0021kJ/mol35.45215 ±
0.00090
24203-47-2*0
Iodine monochloride ICl19.02417.391± 0.013kJ/mol162.35717 ±
0.00090
7790-99-0*0
Iodotrifluoromethane C(F)(F)(F)I-583.26-589.14± 0.45kJ/mol195.91038 ±
0.00080
2314-97-8*0
Trinitrogen cation [N]N=[N+]1519.451516.81± 0.89kJ/mol42.01967 ±
0.00021
12185-03-4*0
Oxonitrate anion N#[O-]88.1188.14± 0.25kJ/mol30.00669 ±
0.00031
14967-78-3*0
Nitrosyl ion N#[O+]984.501984.496± 0.066kJ/mol30.00559 ±
0.00031
14452-93-8*0
Nitrogen sesquioxide O=N-[N](=O)[O]90.7586.18± 0.15kJ/mol76.01168 ±
0.00091
10544-73-7*0
Dioxygen anion O=[O-]-43.36-42.72± 0.17kJ/mol31.99935 ±
0.00060
11062-77-4*0
Methyliumyl [CH2+]1393.201394.06± 0.10kJ/mol14.02603 ±
0.00081
15091-72-2*0
Methylene anion [CH2-]328.17328.60± 0.18kJ/mol14.02713 ±
0.00081
50928-07-9*0
Methylidyne anion [CH-]475.77479.09± 0.21kJ/mol13.01919 ±
0.00080
28604-54-8*0
Ethanium [CH3+][H][CH3]874.35858.08± 0.61kJ/mol31.0764 ±
0.0017
24669-33-8*1
Tetrafluorosilane [Si](F)(F)(F)F-1608.79-1614.30± 0.53kJ/mol104.07911 ±
0.00030
7783-61-1*0
iso-Propylium C[CH+]C822.93805.84± 0.23kJ/mol43.0871 ±
0.0024
19252-53-0*0
Carbonic acid OC(=O)O-602.32-612.49± 0.58kJ/mol62.0248 ±
0.0012
463-79-6*1
Methylperoxy anion CO[O-]-89.69-99.84± 0.45kJ/mol47.0339 ±
0.0010
35683-44-4*0
Cyclobutane C1CCC152.2327.69± 0.36kJ/mol56.1063 ±
0.0032
287-23-0*0
2-Butynyl CC#C[CH2]318.08310.71± 0.67kJ/mol53.0825 ±
0.0032
82252-88-8*0
1,2-Butadienyl CC=C=[CH]328.90320.18± 0.63kJ/mol53.0825 ±
0.0032
4777-46-2*0
Isoprene CC(=C)C=C96.2475.72± 0.66kJ/mol68.1170 ±
0.0040
78-79-5*0
Ethynol C#CO95.3192.82± 0.73kJ/mol42.0367 ±
0.0016
32038-79-2*2
Hydroxymethoxy [O]CO-159.64-169.60± 0.87kJ/mol47.0333 ±
0.0010
72144-78-6*3
Formyloxidanyl C(=O)[O]-125.82-127.48± 0.55kJ/mol45.0174 ±
0.0010
16499-21-1*1
Methoxyethane CCOC-194.79-217.68± 0.55kJ/mol60.0950 ±
0.0025
540-67-0*0
Acetate CC(=O)[O-]-496.01-505.14± 0.80kJ/mol59.0446 ±
0.0017
71-50-1*0
Cyanoamidogen anion [NH-]C#N69.7266.72± 0.72kJ/mol41.03267 ±
0.00082
67131-47-9*2
Chloronium [H][ClH+]881.5878.4± 1.1kJ/mol37.46803 ±
0.00091
36658-55-6*0
1,1,1-Trichloroethane CC(Cl)(Cl)Cl-134.01-144.59± 0.51kJ/mol133.4033 ±
0.0031
71-55-6*0
Tetrachloroethene C(Cl)(Cl)=C(Cl)(Cl)-20.58-21.45± 0.99kJ/mol165.8322 ±
0.0039
127-18-4*0
Chlorodifluoromethane C(F)(F)Cl-475.59-481.79± 0.99kJ/mol86.4681 ±
0.0012
75-45-6*0
Fluoromethylene [CH]F148.40148.68± 0.43kJ/mol32.01704 ±
0.00080
13453-52-6*2
Fluoroformyl O=[C]F-176.62-176.04± 0.37kJ/mol47.00850 ±
0.00085
1871-24-5*0
2-Bromoethanol BrCCO-196.03-220.09± 0.52kJ/mol124.9645 ±
0.0019
540-51-2*0
Carbon suboxide O=C=C=C=O-94.5-92.4± 1.0kJ/mol68.0309 ±
0.0025
504-64-3*0
Benzyl c1ccc(cc1)[CH2]230.28211.46± 0.55kJ/mol91.1305 ±
0.0056
2154-56-5*0
Ethylbenzene c1ccc(cc1)CC58.4529.98± 0.52kJ/mol106.1650 ±
0.0064
100-41-4*0
Phenoxy c1ccc(cc1)[O]71.0255.73± 0.84kJ/mol93.1033 ±
0.0048
2122-46-5*0
m-Tolualdehyde Cc1cccc(c1)C=O-49.1-71.9± 1.2kJ/mol120.1485 ±
0.0064
620-23-5*0
3-Oxo-1-propenyl [CH]=CC=O190.93184.91± 0.91kJ/mol55.0553 ±
0.0024
206255-29-0*11
2-Propynal C#CC=O135.44133.27± 0.88kJ/mol54.0474 ±
0.0024
624-67-9*0
Cyanomethylene [CH]C#N479.7483.0± 1.1kJ/mol39.0361 ±
0.0016
2612-62-6*1
3-Methylenecyclopropene C=C1C=C1395.96388.03± 0.83kJ/mol52.0746 ±
0.0032
4095-06-1*0
Phenylperoxy c1ccc(cc1)O[O]153.5136.5± 1.4kJ/mol109.1027 ±
0.0049
91422-02-5*0
Bromosilane [SiH3]Br-59.0-75.4± 1.4kJ/mol111.0133 ±
0.0011
13465-73-1*0
Bromotrimethylsilane C[Si](Br)(C)C-259.5-290.2± 2.0kJ/mol153.0931 ±
0.0027
2857-97-8*0
Trimethylsilylium C[Si+](C)C655.3634.7± 2.0kJ/mol73.1885 ±
0.0025
28927-31-3*0
1-Methyl-1-propenyl C[C]=CC240.00223.82± 0.66kJ/mol55.0984 ±
0.0032
71790-71-1*1
1-Butenyl CCC=[CH]263.36246.02± 0.68kJ/mol55.0984 ±
0.0032
2669-61-6*2
Sulfur monoxide S=O6.026.06± 0.13kJ/mol48.0654 ±
0.0060
13827-32-2*0
Oxygen atom [O]246.844249.229± 0.0021kJ/mol15.99940 ±
0.00030
17778-80-2*1
Ammonium [NH4+]-133.076± 0.056kJ/mol18.03795 ±
0.00029
14798-03-9*800
Methylidyne [CH]592.979596.314± 0.081kJ/mol13.01864 ±
0.00080
3315-37-5*1
Ethylidyne [C]C640.8636.3± 1.1kJ/mol27.0452 ±
0.0016
67624-57-1*2
Hydroxyde [OH-]-229.754± 0.023kJ/mol17.00789 ±
0.00031
14280-30-9*800
Isocyanomethanide [CH2-][N+]#[C-]254.05251.01± 0.89kJ/mol40.0446 ±
0.0016
81704-80-5*0
Trioxidanide OO[O-]-120.0-123.1± 1.6kJ/mol49.00669 ±
0.00090
89965-38-8*2
Peroxyformate C(=O)O[O-]-340.95-346.41± 0.80kJ/mol61.0174 ±
0.0012
104960-05-6*1
n-Propylium CC[CH2+]856.77838.49± 0.79kJ/mol43.0871 ±
0.0024
19252-52-9*0
1-Methylethylidene C[C]C316.00302.10± 0.97kJ/mol42.0797 ±
0.0024
40852-89-9*2
Propylidene CC[CH]349.47335.78± 0.92kJ/mol42.0797 ±
0.0024
6700-78-3*11
Hydrogen peroxide cation O[OH+]897.29890.31± 0.51kJ/mol34.01413 ±
0.00062
12325-10-9*1
Cycloprop-2-enylium C1=C[CH+]11080.41075.3± 1.0kJ/mol39.0554 ±
0.0024
26810-74-2*0
t-Butyl C[C](C)C75.2349.93± 0.69kJ/mol57.1143 ±
0.0033
1605-73-8*0
Cyclobutene C1CC=C1177.98160.93± 0.60kJ/mol54.0904 ±
0.0032
822-35-5*0
1,3-Butadienyl C=CC=[CH]372.19361.71± 0.87kJ/mol53.0825 ±
0.0032
86181-68-2*11
Cyclohexane C1CCCCC1-83.19-122.75± 0.29kJ/mol84.1595 ±
0.0049
110-82-7*0
Protonated oxirane [OH+]1CC1725.68709.51± 0.61kJ/mol45.0600 ±
0.0017
*38607-31-7*0
Methoxymethylene CO[CH]129.15118.62± 0.78kJ/mol44.0526 ±
0.0017
19527-10-7*21
Oxirene C1=CO1387.9383.7± 1.3kJ/mol42.0367 ±
0.0016
157-18-6*11
Cyanic acid OC#N-12.32-15.04± 0.43kJ/mol43.02478 ±
0.00086
420-05-3*0
Fulminic acid C#[N+][O-]170.72169.26± 0.44kJ/mol43.02478 ±
0.00086
51060-05-0*0
Isofulminic acid O[N+]#[C-]235.24233.54± 0.43kJ/mol43.02478 ±
0.00086
506-85-4*0
Nitrosomethylidyne [C]N=O389.3390.7± 1.1kJ/mol42.01684 ±
0.00086
82267-15-0*0
Acetyl chloride CC(=O)Cl-232.53-241.52± 0.39kJ/mol78.4973 ±
0.0019
75-36-5*0
Dioxoethyl C(=O)[C]=O-63.23-64.65± 0.86kJ/mol57.0281 ±
0.0017
702699-38-5*0
Chlorohydroxymethyl [CH](Cl)O-54.8-60.8± 1.1kJ/mol65.4787 ±
0.0012
147139-06-8*1
1,1-Dichloroethene C=C(Cl)Cl9.273.28± 0.50kJ/mol96.9427 ±
0.0024
75-35-4*0
Dichlorodifluoromethane FC(F)(Cl)Cl-488.92-493.11± 0.45kJ/mol120.9129 ±
0.0020
75-71-8*0
Fluorodichloromethane C(F)(Cl)Cl-277.66-283.12± 0.90kJ/mol102.9224 ±
0.0020
75-43-4*0
Difluoromethylene F[C]F-193.87-193.39± 0.35kJ/mol50.00751 ±
0.00080
2154-59-8*2
Fluoromethylene [CH]F210.38210.71± 0.65kJ/mol32.01704 ±
0.00080
13453-52-6*1
Formyl fluoride FC=O-378.64-382.23± 0.31kJ/mol48.01644 ±
0.00086
1493-02-3*0
p-Tolualdehyde Cc1ccc(cc1)C=O-49.8-72.8± 1.2kJ/mol120.1485 ±
0.0064
104-87-0*0
o-Toluoyl Cc1ccccc1[C]=O109.791.3± 1.4kJ/mol119.1406 ±
0.0064
104680-89-9*0
1-Propen-2-ol-1-yl CC(O)=[CH]101.5889.36± 0.87kJ/mol57.0712 ±
0.0024
1976041-84-5*11
Propyl nitrite CCCON=O-95.9-120.8± 1.8kJ/mol89.0932 ±
0.0025
543-67-9*1
1-Formylethenyl C=[C]C=O177.58172.05± 0.80kJ/mol55.0553 ±
0.0024
191018-90-3*0
2-Cyanovinyl [CH]=CC#N447.76445.28± 0.99kJ/mol52.0547 ±
0.0024
189141-20-6*2
1,2,3-Butatrien-1-ylium C=C=C=[CH+]1271.71269.9± 1.1kJ/mol51.0661 ±
0.0032
81932-79-8*2
1-Buten-3-yn-1-yl C#CC=[CH]547.23544.56± 0.86kJ/mol51.0666 ±
0.0032
2810-61-9*1
3-Buten-1-ynyl C=CC#[C]628.5626.3± 1.0kJ/mol51.0666 ±
0.0032
108179-98-2*0
Fluorosilane [SiH3]F-346.19-355.58± 0.73kJ/mol50.10772 ±
0.00037
13537-33-2*0
Chlorosilane [SiH3]Cl-126.5-135.5± 1.4kJ/mol66.56202 ±
0.00097
13465-78-6*0
Tetramethylsilane C[Si](C)(C)C-185.9-216.4± 2.0kJ/mol88.2236 ±
0.0033
75-76-3*0
Hydroxysilyl [SiH2]O-104.1-112.0± 1.5kJ/mol47.10872 ±
0.00047
113648-09-2*0
Trimethylsilanol C[Si](C)(C)O-465.3-491.6± 1.9kJ/mol90.1964 ±
0.0025
1066-40-6*0
2-Aminoethyl [CH2]CN174.24157.78± 0.82kJ/mol44.0758 ±
0.0017
4422-53-1*0
2-Propanamine CC(C)N-56.67-83.47± 0.52kJ/mol59.1103 ±
0.0025
75-31-0*0
Hydroperoxonium [OH2+]O738.2727.9± 1.2kJ/mol35.02207 ±
0.00064
70850-26-9*1
Hypoiodite I[O-]-102.44-104.25± 0.88kJ/mol142.90442 ±
0.00030
15065-65-3*0
Dinitrogen cation N#[N+]1503.3111503.312± 0.000kJ/mol28.01293 ±
0.00014
13966-04-6*0
Nitrogen atom cation [N+]1872.9051875.686± 0.023kJ/mol14.006191 ±
0.000070
14158-23-7*0
Nitrogen atom [N]470.577472.439± 0.023kJ/mol14.006740 ±
0.000070
17778-88-0*1
Carbon dioxide cation [C+](=O)=O936.090936.925± 0.017kJ/mol44.00895 ±
0.00100
12181-61-2*0
Chlorine pentafluoride FCl(F)(F)(F)F-226.0-234.1± 1.3kJ/mol130.44472 ±
0.00090
13637-63-3*0
Nitroxyl O=[N+]([O-])[O]79.3874.13± 0.19kJ/mol62.00494 ±
0.00090
12033-49-7*0
Hydrazino N[NH]234.76224.24± 0.69kJ/mol31.03730 ±
0.00025
13598-46-4*0
Carbon anion [C-]589.613594.759± 0.040kJ/mol12.01125 ±
0.00080
14337-00-9*0
Hydrogen isocyanide cation [C+]=N1351.521351.48± 0.83kJ/mol27.02483 ±
0.00081
74158-11-5*0
Cyanomethanide [CH2-]C#N113.69110.87± 0.53kJ/mol40.0446 ±
0.0016
21438-99-3*0
Methyloxonium CO.[H+]589.1574.9± 1.1kJ/mol33.04925 ±
0.00092
17836-08-7*0
n-Propylide CC[CH2-]123.1105.4± 1.2kJ/mol43.0882 ±
0.0024
59513-13-2*0
Allyl anion C=C[CH2-]133.96122.95± 0.21kJ/mol41.0723 ±
0.0024
1724-46-5*0
Propargylenide C#C[CH-]434.4437.0± 1.1kJ/mol38.0485 ±
0.0024
82906-05-6*1
Oxoniumyl ion [H][O+][H]978.498975.595± 0.024kJ/mol18.01473 ±
0.00033
56583-62-1*0
2-Butyn-1-yl anion CC#C[CH2-]253.7244.8± 1.1kJ/mol53.0830 ±
0.0032
65114-66-1*0
Ethoxy CC[O]5.56-8.88± 0.43kJ/mol45.0605 ±
0.0017
2154-50-9*52
Ethenol C=CO-108.95-119.66± 0.50kJ/mol44.0526 ±
0.0017
557-75-5*2
Hydroperoxymethyl [CH2]OO73.1765.88± 0.97kJ/mol47.0333 ±
0.0010
74087-87-9*0
Oxiranyl C1[CH]O1172.78164.50± 0.98kJ/mol43.0446 ±
0.0016
31586-84-2*0
Ketene C=C=O182.0179.0± 1.1kJ/mol42.0367 ±
0.0016
463-51-4*1
Oxoethylidene [CH]C=O261.1257.6± 1.1kJ/mol42.0367 ±
0.0016
39920-84-8*12
Dihydroxymethyl [CH](O)O-197.1-206.5± 1.2kJ/mol47.0333 ±
0.0010
14840-85-8*1
Dioxirane C1OO19.391.72± 0.53kJ/mol46.0254 ±
0.0010
157-26-6*0
Methoxyethene C=COC-89.5-107.4± 1.1kJ/mol58.0791 ±
0.0025
107-25-5*2
2-Propanol CC(O)C-248.66-272.76± 0.26kJ/mol60.0950 ±
0.0025
67-63-0*0
Methyl acetate CC(=O)OC-363.3-382.1± 1.2kJ/mol74.0785 ±
0.0025
79-20-9*2
Carboxymethyl [CH2]C(=O)O-226.7-236.5± 1.1kJ/mol59.0440 ±
0.0017
2887-46-9*1
1-Iminoethyl C[C]=N233.0222.9± 1.1kJ/mol42.0599 ±
0.0016
128365-64-0*2
1-Aminoethenyl C=[C]N294.63286.00± 0.92kJ/mol42.0599 ±
0.0016
180385-92-6*0
Nitrilomethylimidogen [N]C=[N]581.6578.4± 1.5kJ/mol41.03212 ±
0.00082
324529-58-0*2
Cyanoacetylide [C-]#CC#N300.3305.6± 1.1kJ/mol50.0394 ±
0.0024
12373-53-4*0
Chloromethylidyne [C]Cl430.62434.38± 0.67kJ/mol47.4634 ±
0.0012
3889-76-7*0
Chloromethanol ClCO-232.4-242.6± 1.2kJ/mol66.4866 ±
0.0013
15454-33-8*0
Chloromethoxy C(Cl)[O]-12.0-18.8± 1.1kJ/mol65.4787 ±
0.0012
114282-89-2*0
Fluorotrichloromethane FC(Cl)(Cl)Cl-283.29-286.44± 0.76kJ/mol137.3672 ±
0.0028
75-69-4*0
Hexafluoroethane C(F)(F)(F)C(F)(F)F-1334.04-1342.34± 0.82kJ/mol138.0118 ±
0.0016
76-16-4*0
Chloro hypochlorite ClOCl79.7977.98± 0.36kJ/mol86.9048 ±
0.0018
7791-21-1*0
Formyl chloride C(=O)Cl-179.87-183.08± 0.67kJ/mol64.4707 ±
0.0012
2565-30-2*0
2-Chloroethanol ClCCO-249.81-266.52± 0.59kJ/mol80.5132 ±
0.0019
107-07-3*0
Butadiynyl [C]#CC#C801.82808.42± 0.96kJ/mol49.0507 ±
0.0032
53561-65-2*0
o-Benzyne C1=CC#CC=C1468.14459.22± 0.86kJ/mol76.0960 ±
0.0048
462-80-6*2
Tropyl [CH]1C=CC=CC=C1296.5279.1± 1.1kJ/mol91.1305 ±
0.0056
3551-27-7*0
Indane c1ccc2c(c1)CCC291.0460.01± 0.77kJ/mol118.1757 ±
0.0072
496-11-7*0
Indene c1ccc2c(c1)CC=C2183.91160.02± 0.75kJ/mol116.1598 ±
0.0072
95-13-6*0
m-Toluoyl Cc1cccc(c1)[C]=O108.790.1± 1.5kJ/mol119.1406 ±
0.0064
67958-04-7*0
Sulfur dioxide anion O=[S-]=O-401.09-403.35± 0.74kJ/mol64.0653 ±
0.0060
12143-17-8*0
Iodobenzene c1ccc(cc1)I178.43162.45± 0.99kJ/mol204.0084 ±
0.0048
591-50-4*0
1-Hydroxy-1-methylethyl C[C](O)C-78.30-96.54± 0.79kJ/mol59.0871 ±
0.0025
5131-95-3*0
Trifluoroethene FC(F)=CF-493.0-498.0± 1.6kJ/mol82.0245 ±
0.0016
359-11-5*0
Dichloride Cl[Cl-]-231.91-230.85± 0.34kJ/mol70.9059 ±
0.0018
12595-89-0*0
Chlorooxy hypochlorite ClOOCl134.58131.34± 0.56kJ/mol102.9042 ±
0.0019
12292-23-8*0
Isocyanoethene C=C[N+]#[C-]285.17278.67± 0.94kJ/mol53.0627 ±
0.0024
14668-82-7*0
1-Isocyanoethylidene C[C][N+]#[C-]527.9523.1± 1.1kJ/mol53.0627 ±
0.0024
*498544-34-6*2
2-Cyanovinyl [CH]=CC#N448.18445.72± 0.97kJ/mol52.0547 ±
0.0024
189141-20-6*1
3-Methylene-1-cyclopropen-1-yl C=C1C=[C]1628.2625.6± 1.1kJ/mol51.0666 ±
0.0032
127611-24-9*0
Oxosilylene [Si]=O-98.35-97.19± 0.54kJ/mol44.08490 ±
0.00042
10097-28-6*0
Silyloxy anion [SiH3][O-]-311.7-321.0± 1.6kJ/mol47.10927 ±
0.00047
43336-62-5*0
Cyclobutyl C1C[CH]C1246.47227.57± 0.72kJ/mol55.0984 ±
0.0032
4548-06-5*0
Peroxyhypochlorous acid OOCl3.98-1.29± 0.95kJ/mol68.4594 ±
0.0011
67952-07-2*0
1-Propanamine CCCN-42.23-69.97± 0.42kJ/mol59.1103 ±
0.0025
107-10-8*0
Disulfur S=S127.48127.79± 0.27kJ/mol64.1320 ±
0.0120
23550-45-0*0
Sulfuric acid OS(=O)(=O)O-715.0-729.2± 1.2kJ/mol98.0795 ±
0.0061
7664-93-9*0
Sulfurous acid O=S(O)O-511.18-521.39± 0.89kJ/mol82.0801 ±
0.0061
7782-99-2*2
Sulfo O=S(O)[O]-366.7-374.6± 1.1kJ/mol81.0721 ±
0.0061
32750-86-0*0
Dioxodiazoxane O=NON=O93.087.9± 1.3kJ/mol76.01168 ±
0.00091
122413-35-8*1
Nitric acid O[N+](=O)[O-]-206.54± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*800
Isodiazene [N]N307.53300.45± 0.63kJ/mol30.02936 ±
0.00020
28647-38-3*0
Oxoammoniumyl [NH+]=O1092.471089.55± 0.67kJ/mol31.01353 ±
0.00032
63559-87-5*0
Peroxynitrous acid OON=O7.840.76± 0.41kJ/mol63.01288 ±
0.00091
14691-52-2*1
Peroxynitric acid [N+](=O)([O-])OO-41.45-51.76± 0.32kJ/mol79.0123 ±
0.0012
26404-66-0*0
Carbon cation [C+]1797.8421803.440± 0.040kJ/mol12.01015 ±
0.00080
14067-05-1*0
Ethylidyne [C]C508.61504.91± 0.80kJ/mol27.0452 ±
0.0016
67624-57-1*0
Ethynylium C#[C+]1687.611690.95± 0.15kJ/mol25.0288 ±
0.0016
16456-59-0*0
Methylamidogen anion C[NH-]145.32134.49± 0.64kJ/mol30.04975 ±
0.00085
54448-39-4*0
Methylimidogen C[N]323.0315.3± 1.0kJ/mol29.04126 ±
0.00083
27770-42-9*0
Iminomethylium [NH+]#C953.3949.3± 1.4kJ/mol28.03277 ±
0.00082
196216-36-1*0
2-Hydrotrioxy [O][OH][O]299.7293.9± 1.2kJ/mol49.00614 ±
0.00090
*12500-78-6*0
Hydrogen carbonate O[C](=O)[O-]-719.3-725.6± 1.5kJ/mol61.0174 ±
0.0012
71-52-3*0
Chloric acid OCl(=O)=O0.6-6.5± 1.1kJ/mol84.4588 ±
0.0013
7790-93-4*0
Cyclopropylide C1C[CH-]1265.3252.5± 1.1kJ/mol41.0723 ±
0.0024
1724-45-4*0
Propylidyne CC[C]492.6483.0± 1.2kJ/mol41.0718 ±
0.0024
85056-54-8*1
Cyclopropylidene [C]1CC1474.96466.93± 0.84kJ/mol40.0639 ±
0.0024
2143-70-6*1
Propargylium [CH2+]C#C1193.491190.68± 0.32kJ/mol39.0554 ±
0.0024
21540-27-2*0
Cycloprop-1-enyl C1C=[C]1527.43523.04± 0.58kJ/mol39.0559 ±
0.0024
19528-44-0*0
Cyclopropenylidene C1=C=C1497.05496.08± 0.45kJ/mol38.0480 ±
0.0024
16165-40-5*0
Propargylenide C#C[CH-]436.9439.5± 1.1kJ/mol38.0485 ±
0.0024
82906-05-6*2
2-Propyn-1-ylium-1-ylidene C#C[C+]1598.461602.84± 0.90kJ/mol37.0395 ±
0.0024
75104-46-0*0
sec-Butyl CC[CH]C91.1766.40± 0.72kJ/mol57.1143 ±
0.0033
2348-55-2*0
1-Methylene-2-propenyl C=C[C]=C327.09317.09± 0.75kJ/mol53.0825 ±
0.0032
1204515-52-5*0
Perchloryl O=Cl(=O)[O]191.76186.09± 0.62kJ/mol83.4509 ±
0.0013
13932-10-0*0
n-Heptane CCCCCCC-145.38-187.26± 0.45kJ/mol100.2019 ±
0.0057
142-82-5*0
n-Octane CCCCCCCC-161.01-207.84± 0.53kJ/mol114.2285 ±
0.0065
111-65-9*0
Methoxymethyl CO[CH2]13.220.65± 0.91kJ/mol45.0605 ±
0.0017
16520-04-0*0
Oxoethanide C[C-]=O-44.0-49.5± 1.3kJ/mol43.0452 ±
0.0016
78944-68-0*0
Oxirene C1=CO1273.17271.01± 0.92kJ/mol42.0367 ±
0.0016
157-18-6*2
Chlorate O=Cl(=O)[O-]-208.2-213.7± 1.5kJ/mol83.4514 ±
0.0013
14866-68-3*0
2-Hydroperoxyethyl [CH2]COO64.550.2± 1.3kJ/mol61.0599 ±
0.0017
126898-97-3*32
Methoxyoxomethyl CO[C]=O-152.8-160.8± 1.2kJ/mol59.0440 ±
0.0017
16481-04-2*1
Hydroxyformyl O[C]=O-174.34-177.37± 0.48kJ/mol45.0174 ±
0.0010
2564-86-5*2
Hydroxyformyl anion [C-](=O)O-319.54-322.12± 0.56kJ/mol45.0180 ±
0.0010
78944-70-4*2
Ethoxyethane CCOCC-223.72-251.14± 0.60kJ/mol74.1216 ±
0.0033
60-29-7*0
Fluoronium [H][F+][H]774.04771.10± 0.91kJ/mol21.01373 ±
0.00014
12206-67-6*2
Water dimer O.O-491.021-499.060± 0.044kJ/mol36.03056 ±
0.00066
25655-83-8*0
Bromanylium [Br+]1257.7861251.723± 0.056kJ/mol79.90345 ±
0.00100
22541-56-6*0
Ethyl formate C(=O)OCC-375.1-393.9± 1.0kJ/mol74.0785 ±
0.0025
109-94-4*1
Propionic acid CCC(=O)O-435.93-453.83± 0.59kJ/mol74.0785 ±
0.0025
79-09-4*1
(Methylimino)methyl CN=[CH]277.9267.8± 1.1kJ/mol42.0599 ±
0.0016
117928-23-1*1
1-Aziridinyl [N]1CC1313.7301.5± 1.4kJ/mol42.0599 ±
0.0016
23838-09-7*0
(Dimethylamino)methyl CN(C)[CH2]166.1143.0± 1.3kJ/mol58.1024 ±
0.0025
30208-47-0*0
Cyanoamidogen [NH]C#N652.4649.6± 1.2kJ/mol41.03212 ±
0.00082
12347-01-2*21
Diazomethyl [CH]=[N]=[N]652.7649.7± 1.3kJ/mol41.03212 ±
0.00082
20813-32-5*22
Diazomethanide [CH-]=[N]=[N]305.17302.08± 0.76kJ/mol41.03267 ±
0.00082
100840-43-5*2
Isocyanoamidogen [NH][N+]#[C-]828.2825.4± 1.3kJ/mol41.03212 ±
0.00082
947408-73-3*22
Ethylamidogen anion CC[NH-]106.3888.73± 0.80kJ/mol44.0763 ±
0.0017
54448-40-7*0
Chloromethide [CH2-]Cl56.353.0± 2.0kJ/mol49.4798 ±
0.0012
60291-29-4*0
Hexachloroethane C(C(Cl)(Cl)Cl)(Cl)(Cl)Cl-144.2-146.6± 1.3kJ/mol236.7376 ±
0.0056
67-72-1*0
cis-1,2-Dichloroethene C(\Cl)=C\Cl3.79-2.21± 0.55kJ/mol96.9427 ±
0.0024
156-59-2*0
Dichloroacetylene ClC#CCl232.69236.00± 0.74kJ/mol94.9268 ±
0.0024
7572-29-4*0
Difluoromethylene F[C]F-193.87-193.39± 0.35kJ/mol50.00751 ±
0.00080
2154-59-8*0
1,1-Difluoroethane CC(F)F-488.99-502.72± 0.53kJ/mol66.0500 ±
0.0016
75-37-6*0
2-Fluoroethanol FCCO-405.67-422.91± 0.99kJ/mol64.0589 ±
0.0017
371-62-0*0
1,3,5-Hexatriyne C#CC#CC#C682.0686.9± 1.2kJ/mol74.0801 ±
0.0048
3161-99-7*0
Benzylide c1ccc(cc1)[CH2-]142.03123.12± 0.40kJ/mol91.1310 ±
0.0056
18860-15-6*0
Cycloheptatriene C1C=CC=CC=C1207.64184.22± 0.94kJ/mol92.1384 ±
0.0056
544-25-2*0
Benzonitrile c1ccc(cc1)C#N230.03215.84± 0.92kJ/mol103.1213 ±
0.0056
100-47-0*0
p-Toluoyl Cc1ccc(cc1)[C]=O107.789.1± 1.5kJ/mol119.1406 ±
0.0064
67958-03-6*0
Acetonate CC(=[O-])[CH2]-187.57-201.13± 0.92kJ/mol57.0717 ±
0.0024
24262-31-5*0
Methyl nitrite CON=O-55.53-66.20± 0.44kJ/mol61.0401 ±
0.0010
624-91-9*0
Difluoride F[F-]-291.6-290.7± 1.4kJ/mol37.9973550 ±
0.0000010
12184-85-9*0
Acryloyl C=C[C]=O102.7697.17± 0.98kJ/mol55.0553 ±
0.0024
72241-20-4*2
3-Oxo-1,2-propadien-1-yl [CH]=C=C=O290.27292.79± 0.95kJ/mol53.0394 ±
0.0024
1198096-74-0*0
1-Cyanoethylidene C[C]C#N475.7470.5± 1.1kJ/mol53.0627 ±
0.0024
498544-34-6*2
3-Imino-2-propen-1-ylidene [CH]C=C=N530.6525.8± 1.2kJ/mol53.0627 ±
0.0024
916765-05-4*11
2-(Methylidyneamino)ethenyl [CH]=CN=[CH]600.7595.6± 1.2kJ/mol53.0627 ±
0.0024
123416-74-0*11
1-Cyanovinyl anion C=[C-]C#N224.2221.4± 1.2kJ/mol52.0553 ±
0.0024
36259-97-9*0
1,2,3-Butatrien-1-yl anion C=C=C=[CH-]388.4386.5± 1.1kJ/mol51.0672 ±
0.0032
102275-54-7*0
Silylene [SiH2]362.0360.4± 1.1kJ/mol30.10138 ±
0.00033
13825-90-6*1
Di-mu-hydrodihydrodisilicon [SiH+]([H-]1)[H-][SiH+]1374.5364.2± 2.4kJ/mol60.20276 ±
0.00066
129970-82-7*12
Methylsilane C[SiH3]-9.74-25.91± 0.92kJ/mol46.14384 ±
0.00095
992-94-9*0
Trimethylsiloxy C[Si](C)(C)[O]-188.1-211.1± 1.9kJ/mol89.1885 ±
0.0025
54572-10-0*0
1,5-Hexadiyne C#CCCC#C431.6421.1± 1.2kJ/mol78.1118 ±
0.0048
628-16-0*0
2-Methylallyl CC(=C)[CH2]155.84138.73± 0.77kJ/mol55.0984 ±
0.0032
15157-95-6*0
3-Butenyl C=CC[CH2]223.11206.60± 0.91kJ/mol55.0984 ±
0.0032
2154-62-3*0
2-Methyl-1-propenyl CC(C)=[CH]251.15234.13± 0.72kJ/mol55.0984 ±
0.0032
33825-33-1*0
N-Methylethanamine CCNC-17.7-45.8± 1.1kJ/mol59.1103 ±
0.0025
624-78-2*0
Phenanthrene c1ccc2c(c1)ccc3c2cccc3232.03203.22± 0.75kJ/mol178.2292 ±
0.0112
85-01-8*0
Trioxidane OOO-72.59-81.08± 0.79kJ/mol50.01408 ±
0.00091
14699-99-1*2
Disulfene oxide S=S=O-50.49-52.51± 0.43kJ/mol80.1314 ±
0.0120
20901-21-7*0
Sulfur hydroxide oxide OS(=O)(=O)[O]-474.0-483.5± 1.7kJ/mol97.0715 ±
0.0061
12337-07-4*1
Dinitrogen tetraoxide O=N(=O)N(=O)=O20.1810.89± 0.14kJ/mol92.0111 ±
0.0012
10544-72-6*0
Azanylium [NH3+]944.272937.318± 0.029kJ/mol17.03001 ±
0.00022
19496-55-0*0
Oxidanylium [OH+]1293.3621293.391± 0.025kJ/mol17.00679 ±
0.00031
12259-29-9*0
Nitryl hydride [NH+](=O)[O-]-36.74-43.71± 0.93kJ/mol47.01348 ±
0.00061
90266-90-3*0
Oxygen atom [O]436.665438.523± 0.0021kJ/mol15.99940 ±
0.00030
17778-80-2*2
Methyliumylidene [CH+]1619.7461623.090± 0.041kJ/mol13.01809 ±
0.00080
24361-82-8*0
Ethylidyne [C]C508.61504.91± 0.80kJ/mol27.0452 ±
0.0016
67624-57-1*1
Vinylidene anion [C-]=C364.25364.06± 0.31kJ/mol26.0378 ±
0.0016
66295-36-1*0
Methanol cation [CH3+]O856.83846.51± 0.32kJ/mol32.04131 ±
0.00090
12538-91-9*0
Hydroxymethylene [CH]O219.3216.4± 1.1kJ/mol30.02598 ±
0.00087
19710-56-6*3
Aquacarbon [C].O442.7441.1± 1.3kJ/mol30.02598 ±
0.00087
81434-73-3*1
Carbonic acid OC(=O)O-596.50-606.61± 0.74kJ/mol62.0248 ±
0.0012
463-79-6*2
Carbonic acid OC(=O)O-561.31-570.15± 0.91kJ/mol62.0248 ±
0.0012
463-79-6*3
Hydroperoxycarbonyl OO[C]=O-73.25-77.11± 0.97kJ/mol61.0168 ±
0.0012
153751-35-0*0
Hypochloroperoxoous acid, hydroxy ester OOOCl48.441.5± 1.8kJ/mol84.4588 ±
0.0013
928652-99-7*1
Allylium C=C[CH2+]964.42952.86± 0.33kJ/mol41.0713 ±
0.0024
1724-44-3*0
Propylidyne CC[C]624.8613.3± 1.3kJ/mol41.0718 ±
0.0024
85056-54-8*2
1-Propynyl CC#[C]528.50526.33± 0.65kJ/mol39.0559 ±
0.0024
89342-91-6*0
1-Propynylide CC#[C-]264.56260.97± 0.66kJ/mol39.0565 ±
0.0024
36147-87-2*0
1-Propen-1-yl-3-ylidene [CH]C=[CH]656.7653.3± 1.1kJ/mol39.0559 ±
0.0024
84654-90-0*11
t-Butyl anion C[C-](C)C76.852.0± 1.3kJ/mol57.1148 ±
0.0033
65114-21-8*0
Trioxygen difluoride FOOOF112.5106.7± 1.1kJ/mol85.99501 ±
0.00090
16829-28-0*1
2-Hydroxyethenyl [CH]=CO137.93131.19± 0.72kJ/mol43.0446 ±
0.0016
108665-16-3*21
Oxiranylidene C1[C]O1213.5209.2± 1.4kJ/mol42.0367 ±
0.0016
50983-85-2*2
1-Hydroperoxyethylium C[CH+]OO690.5674.8± 1.5kJ/mol61.0594 ±
0.0017
*126898-98-4*21
Iodine monobromide BrI49.72740.780± 0.066kJ/mol206.8085 ±
0.0010
7789-33-5*0
Hydroxyformyl anion [C-](=O)O-313.65-315.45± 0.56kJ/mol45.0180 ±
0.0010
78944-70-4*1
Ethoxyethene C=COCC-118.0-141.7± 1.5kJ/mol72.1057 ±
0.0033
109-92-2*2
1,1-Ethenediol C=C(O)O-307.65-320.60± 0.83kJ/mol60.0520 ±
0.0017
10375-04-9*1
1,2-Ethenediol OC=CO-272.79-285.12± 0.90kJ/mol60.0520 ±
0.0017
1571-60-4*1
Hydrogen fluoride F-324.57± 0.13kJ/mol20.006343 ±
0.000070
7664-39-3*955
(Formyloxy)methyl O=CO[CH2]-151.4-159.5± 1.1kJ/mol59.0440 ±
0.0017
3122-12-1*1
Ethylene glycol OCCO-369.66-389.28± 0.40kJ/mol62.0678 ±
0.0018
107-21-1*0
Oxalic acid C(=O)(C(=O)O)O-721.0-731.6± 1.2kJ/mol90.0349 ±
0.0020
144-62-7*0
Tetroxidane OOOO-33.29-43.95± 0.44kJ/mol66.0135 ±
0.0012
29683-94-1*21
(Methylamino)methyl cation CN[CH2+]729.23710.61± 0.95kJ/mol44.0752 ±
0.0017
*31277-24-4*0
(Methyleneamino)methyl anion [CH2-]N=C186.9176.5± 1.6kJ/mol42.0604 ±
0.0016
73859-26-4*0
2-Aminoethenyl [CH]=CN319.7309.6± 1.3kJ/mol42.0599 ±
0.0016
176964-54-8*2
Bromochlorane ClBr21.89114.447± 0.059kJ/mol115.3567 ±
0.0013
13863-41-7*0
Bromotrichloromethane ClC(Cl)(Cl)Br-29.92-39.07± 0.54kJ/mol198.2728 ±
0.0030
75-62-7*0
Trioxidanyl OO[O]25.3623.38± 0.13kJ/mol49.00614 ±
0.00090
12500-78-6*1
Dichloromethyl [CH](Cl)Cl92.8790.95± 0.88kJ/mol83.9240 ±
0.0020
3474-12-2*0
Chloromethyl [CH2]Cl118.44115.37± 0.87kJ/mol49.4793 ±
0.0012
6806-86-6*0
Methyl hypochlorite COCl-53.1-63.0± 1.4kJ/mol66.4866 ±
0.0013
593-78-2*0
1,2-Dichloroethane C(Cl)CCl-118.53-130.47± 0.53kJ/mol98.9586 ±
0.0024
107-06-2*0
Tetraiodomethane C(I)(I)(I)I320.8315.7± 2.0kJ/mol519.62858 ±
0.00081
507-25-5*0
Chlorofluoromethane C(F)Cl-256.45-263.65± 0.85kJ/mol68.4777 ±
0.0012
593-70-4*0
Difluoromethyliumyl F[C+]F908.27908.70± 0.77kJ/mol50.00696 ±
0.00080
54250-40-7*0
Fluoromethyliumylidene [C+]F1123.111126.33± 0.45kJ/mol31.00855 ±
0.00080
33412-11-2*0
1,2-Difluoroacetylene FC#CF2.875.70± 0.64kJ/mol62.0182 ±
0.0016
689-99-6*0
Chloroformyl O=[C]Cl-21.92-20.53± 0.49kJ/mol63.4628 ±
0.0012
2602-42-8*0
o-Benzyne anion C1=CC#CC=[CH-]1413.74404.64± 0.95kJ/mol76.0965 ±
0.0048
100569-88-8*0
Cycloheptene C1CCC=CCC128.53-8.69± 0.75kJ/mol96.1702 ±
0.0057
628-92-2*0
Benzoylium c1ccc(cc1)[C+]=O763.5749.4± 1.3kJ/mol105.1135 ±
0.0056
19270-10-1*0
Benzoyl fluoride c1ccc(cc1)C(=O)F-288.5-304.9± 1.3kJ/mol124.1124 ±
0.0056
455-32-3*0
Iodine [I]107.157106.757± 0.0021kJ/mol126.904470 ±
0.000030
14362-44-8*1
Fluorobenzene cation c1ccc(cc1)[F+]791.95776.93± 0.39kJ/mol96.1018 ±
0.0048
34468-25-2*0
Nitrosobenzene c1ccc(cc1)N=O216.7199.7± 1.2kJ/mol107.1100 ±
0.0048
586-96-9*0
1-Methylethoxy CC([O])C-25.12-43.89± 0.74kJ/mol59.0871 ±
0.0025
3958-66-5*0
Nitromethyl C=[N+](=O)[O-]139.6130.2± 1.1kJ/mol60.0321 ±
0.0010
16787-85-2*0
2-Butanone CCC(=O)C-216.88-238.33± 0.79kJ/mol72.1057 ±
0.0033
78-93-3*0
Acryloyl C=C[C]=O101.195.1± 1.4kJ/mol55.0553 ±
0.0024
72241-20-4*11
Formaldoxime C=NO30.519.9± 1.3kJ/mol45.04066 ±
0.00088
75-17-2*1
1,3-Cyclobutadien-1-yl [C]1=CC=C1653.7649.2± 1.1kJ/mol51.0666 ±
0.0032
127611-22-7*0
Silylsilylene [SiH3][SiH]317.1309.3± 2.0kJ/mol60.20276 ±
0.00066
50420-90-1*2
Fluorotrimethylsilane C[Si](F)(C)C-547.2-570.8± 2.1kJ/mol92.1875 ±
0.0025
420-56-4*0
Chlorotrimethylsilane C[Si](Cl)(C)C-326.4-349.5± 2.3kJ/mol108.6418 ±
0.0027
75-77-4*0
Trimethylsiloxide C[Si](C)(C)[O-]-486.6-510.4± 2.1kJ/mol89.1890 ±
0.0025
41866-81-3*0
1,3-Pentadiyne C#CC#CC417.99413.77± 0.81kJ/mol64.0853 ±
0.0040
4911-55-1*0
1,4-Hexadiyne CC#CCC#C424.7414.7± 1.3kJ/mol78.1118 ±
0.0048
10420-91-4*0
Biallenyl C=C=CC=C=C410.6398.9± 1.5kJ/mol78.1118 ±
0.0048
29776-96-3*1
1,2,3,4-Hexatetraene C=C=C=C=CC429.8420.1± 1.6kJ/mol78.1118 ±
0.0048
177856-38-1*0
Dioxaziridinyl [N]1OO1355.1352.6± 1.4kJ/mol46.00554 ±
0.00060
66252-29-7*0
1-Aminoethyl C[CH]N133.11116.33± 0.93kJ/mol44.0758 ±
0.0017
30208-36-7*0
Ethylamidogen CC[NH]166.51150.39± 0.94kJ/mol44.0758 ±
0.0017
41084-92-8*0
2-Naphthyl anion c12ccccc1C=C[C-]=C2288.8269.3± 1.2kJ/mol127.1631 ±
0.0080
88760-89-8*0
1-Naphthyl anion c12ccccc1C=CC=[C-]2283.6264.2± 1.2kJ/mol127.1631 ±
0.0080
125254-29-7*0
Nitrosamine NN=O84.9876.10± 0.96kJ/mol46.02876 ±
0.00036
35576-91-1*0
Sulfanyl [SH]142.86143.31± 0.19kJ/mol33.0739 ±
0.0060
13940-21-1*0
Diazenyl [N]=N252.14249.23± 0.45kJ/mol29.02142 ±
0.00016
36882-13-0*0
Nitrosyl chloride ClN=O54.46752.566± 0.068kJ/mol65.45884 ±
0.00095
2696-92-6*0
Carbide [C]=[C-]504.39510.96± 0.31kJ/mol24.0219 ±
0.0016
12595-78-7*0
Carbon dioxide C(=O)=O49.850.6± 1.1kJ/mol44.00950 ±
0.00100
124-38-9*1
Bifluoride F.[F-]-481.8-480.6± 1.9kJ/mol39.005295 ±
0.000070
*18130-74-0*2
Bicyclo[1.1.0]buta-1,3-diene-2,4-diyl C12=[C]C2=[C]11047.121054.72± 0.68kJ/mol48.0428 ±
0.0032
12184-80-4*0
Methane cation [CH4+]1150.6791144.297± 0.057kJ/mol16.04191 ±
0.00085
20741-88-2*0
Ethanium [CH3+][H][CH3]874.35858.11± 0.61kJ/mol31.0764 ±
0.0017
24669-33-8*0
Acetylene cation C#[CH+]1328.871328.20± 0.12kJ/mol26.0367 ±
0.0016
25641-79-6*0
Water anion [H][O-][H]31.329.8± 3.1kJ/mol18.01583 ±
0.00033
12259-30-2*100
1-Ethylium-1-ylidene [C+]C1329.71328.3± 1.2kJ/mol27.0447 ±
0.0016
78949-84-5*0
Ethylidyne anion [C-]C457.1453.1± 1.2kJ/mol27.0458 ±
0.0016
117768-70-4*0
Isocyanomethyl [CH2][N+]#[C-]363.3360.9± 1.1kJ/mol40.0440 ±
0.0016
70971-59-4*0
Methyloxoniumylidene C[O+]1062.691054.88± 0.57kJ/mol31.03337 ±
0.00088
58157-09-8*0
Hydroxymethanide [CH2-]O9.93.3± 1.5kJ/mol31.03447 ±
0.00088
55830-71-2*0
Hydroxymethylene [CH]O131.10127.36± 0.29kJ/mol30.02598 ±
0.00087
19710-56-6*2
Hydroxymethylene cation [CH+]O971.9968.2± 1.4kJ/mol30.02543 ±
0.00087
135395-06-1*1
Chloryl hydride [H][Cl](=O)=O197.7191.2± 1.6kJ/mol68.4594 ±
0.0011
174365-32-3*0
Isoformyl [C]O217.24217.63± 0.69kJ/mol29.01804 ±
0.00086
71080-92-7*0
Hydroxyoxomethoxy O[C](=O)[O]-360.37-366.45± 0.93kJ/mol61.0168 ±
0.0012
38330-85-7*0
3-Dioxiranone O=C1OO1-159.9-162.7± 1.5kJ/mol60.0089 ±
0.0012
94660-13-6*0
Carbonylbis(oxy) anion [O]C(=O)[O-]-550.4-552.4± 1.4kJ/mol60.0094 ±
0.0012
16518-46-0*0
1-Methylethylidene C[C]C326.8313.7± 1.2kJ/mol42.0797 ±
0.0024
40852-89-9*1
1-Propenyl CC=[CH]280.22269.39± 0.76kJ/mol41.0718 ±
0.0024
6067-68-1*1
Iodide [I-]-56.827± 0.090kJ/mol126.905019 ±
0.000030
20461-54-5*800
Cyclopropynyl [CH]1C#C1711.25715.37± 0.71kJ/mol37.0400 ±
0.0024
119178-99-3*0
n-Butyl anion CCC[CH2-]106.181.1± 1.3kJ/mol57.1148 ±
0.0033
79431-01-9*0
sec-Butyl anion CC[CH-]C103.278.7± 1.3kJ/mol57.1148 ±
0.0033
79431-00-8*0
iso-Butyl CC(C)[CH2]97.2473.25± 0.82kJ/mol57.1143 ±
0.0033
4630-45-9*0
1,2-Butadienyl anion CC=C=[CH-]255.7246.1± 1.1kJ/mol53.0830 ±
0.0032
65114-67-2*0
n-Hexane CCCCCC-179.84-198.49± 0.32kJ/mol86.1754 ±
0.0049
110-54-3*500
1-Hydroxyethylium C[CH+]O610.9596.4± 1.1kJ/mol45.0600 ±
0.0017
18682-96-7*2
2-Hydroxyethyl [CH2]CO-10.96-23.59± 0.93kJ/mol45.0605 ±
0.0017
4422-54-2*2
Vinyl alcohol cation C=C[OH+]778.6767.3± 1.3kJ/mol44.0520 ±
0.0017
57239-63-1*2
1-Hydroxyethylidene C[C]O69.9959.48± 0.86kJ/mol44.0526 ±
0.0017
30967-49-8*22
Hydrogen bromide Br-120.51± 0.13kJ/mol80.9119 ±
0.0010
10035-10-6*800
Oxiranylium C1[CH+]O1901.3893.3± 1.4kJ/mol43.0441 ±
0.0016
57789-76-1*2
C=O=C [C]=[O]=[C]653.0657.3± 1.5kJ/mol40.0208 ±
0.0016
*12071-23-7*1
C=O=C [C]=[O]=[C]721.9726.2± 1.6kJ/mol40.0208 ±
0.0016
*12071-23-7*2
Oxoethylidene [CH]C=O275.4272.6± 1.7kJ/mol42.0367 ±
0.0016
39920-84-8*2
Dihydroxymethanide [CH-](O)O-194.3-203.3± 1.8kJ/mol47.0339 ±
0.0010
61192-32-3*2
1-Hydroperoxyethyl C[CH]OO39.525.9± 1.3kJ/mol61.0599 ±
0.0017
126898-98-4*0
Formic acid cation [CH+](=O)O721.95714.86± 0.25kJ/mol46.0248 ±
0.0010
50614-05-6*1
Formyloxidanyl C(=O)[O]-122.01-125.36± 0.55kJ/mol45.0174 ±
0.0010
16499-21-1*2
1-Methoxyethenol C=C(O)OC-284.3-303.7± 1.2kJ/mol74.0785 ±
0.0025
4453-91-2*1
1-Propene-1,2-diol CC(O)=CO-311.4-329.8± 1.2kJ/mol74.0785 ±
0.0025
7333-03-1*1
1-Propene-1,2-diol CC(O)=CO-293.2-309.8± 1.3kJ/mol74.0785 ±
0.0025
7333-03-1*2
(Formyloxy)methyl O=CO[CH2]-135.8-144.0± 1.3kJ/mol59.0440 ±
0.0017
3122-12-1*2
Bromonium [BrH2+]924.4913.6± 3.0kJ/mol81.9193 ±
0.0010
36658-54-5*0
Carboxymethyl [CH2]C(=O)O-206.1-215.4± 1.2kJ/mol59.0440 ±
0.0017
2887-46-9*2
Dimethylamide C[N-]C122.9104.5± 1.4kJ/mol44.0763 ±
0.0017
34285-60-4*0
Ethylideneamidogen CC=[N]209.7199.2± 1.1kJ/mol42.0599 ±
0.0016
28445-33-2*0
(Methyleneamino)methyl [CH2]N=C244.1233.5± 1.3kJ/mol42.0599 ±
0.0016
56391-78-7*0
Dinitrogen pentoxide O=[N+]([O-])O[N+](=O)[O-]24.3314.76± 0.29kJ/mol108.0105 ±
0.0015
10102-03-1*0
2-Aminoethenyl [CH]=CN325.5315.3± 1.3kJ/mol42.0599 ±
0.0016
176964-54-8*1
2-Aziridinyl N1[CH]C1360.6348.5± 1.7kJ/mol42.0599 ±
0.0016
*23838-09-7*1
Diazirenide C1=N[N-]1454.9452.2± 1.5kJ/mol41.03267 ±
0.00082
130614-84-5*2
1H-Diazirin-3-yl N1N=[C]1618.7615.8± 1.6kJ/mol41.03212 ±
0.00082
324529-57-9*1
Dioxidenium O[O+]1110.871107.98± 0.11kJ/mol33.00619 ±
0.00060
12207-52-2*0
1H-Diazirene C1=NN1405.1398.0± 1.4kJ/mol42.04006 ±
0.00082
157-23-3*0
Trioxidanylium OO[O+]1070.41064.1± 1.4kJ/mol49.00559 ±
0.00090
74241-49-9*1
1,1,2-Trichloroethane C(Cl)C(Cl)Cl-135.7-147.3± 1.1kJ/mol133.4033 ±
0.0031
79-00-5*0
1,1,1,2-Tetrachloroethane C(Cl)C(Cl)(Cl)Cl-144.4-152.9± 1.3kJ/mol167.8481 ±
0.0039
630-20-6*0
Pentachloroethyl C(Cl)(Cl)(Cl)[C](Cl)Cl28.927.0± 1.3kJ/mol201.2849 ±
0.0048
7094-17-9*0
Iodomethane CI-12.28± 0.20kJ/mol141.93899 ±
0.00083
74-88-4*590
Bromo hypobromite BrOBr121.1104.6± 1.2kJ/mol175.8074 ±
0.0020
21308-80-5*0
Bromide [Br-]-120.51± 0.13kJ/mol79.90455 ±
0.00100
24959-67-9*800
Difluoromethylene F[C]F43.3244.04± 0.35kJ/mol50.00751 ±
0.00080
2154-59-8*1
Ethyl iodide CCI-9.39-39.26± 0.48kJ/mol155.9656 ±
0.0016
75-03-6*500
cis-1,2-Difluoroethene F/C=C\F-302.83-309.59± 0.89kJ/mol64.0341 ±
0.0016
1630-77-9*0
Fluoroethynyl [C]#CF445.3449.8± 1.6kJ/mol43.0198 ±
0.0016
22533-50-2*0
Fluoro(fluorooxy)methylene F[C]OF-134.8-136.0± 1.3kJ/mol66.00691 ±
0.00085
479587-30-9*2
Dibromophosgene O=C(Br)Br-97.93-113.86± 0.37kJ/mol187.8181 ±
0.0022
593-95-3*0
1,3,5-Hexatriynyl [C]#CC#CC#C1003.01010.5± 2.3kJ/mol73.0721 ±
0.0048
88053-50-3*0
Benzene c1ccccc150.8149.27± 0.21kJ/mol78.1118 ±
0.0048
71-43-2*500
o-Benzyne C1=CC#CC=C1468.14459.22± 0.86kJ/mol76.0960 ±
0.0048
462-80-6*0
m-Benzyne c1[c]ccc[c]1527.0518.5± 1.2kJ/mol76.0960 ±
0.0048
1828-89-3*2
p-Benzyne c1c[c]cc[c]1587.0577.5± 1.2kJ/mol76.0960 ±
0.0048
3355-34-8*2
Cycloheptane C1CCCCCC1-72.43-117.92± 0.52kJ/mol98.1861 ±
0.0057
291-64-5*0
Azide [N]N=[N-]193.56190.06± 0.91kJ/mol42.02077 ±
0.00021
14343-69-2*0
Iodine cation [I+]1115.5491115.149± 0.0062kJ/mol126.903921 ±
0.000030
22541-93-1*0
Propyn-1-ol CC#CO65.657.4± 1.1kJ/mol56.0633 ±
0.0024
6175-54-8*0
1H-Triazirin-1-yl [N]1N=[N]1585.9584.2± 2.0kJ/mol42.02022 ±
0.00021
912535-95-6*0
Formylethynyl [C]#CC=O468.4470.4± 1.3kJ/mol53.0394 ±
0.0024
277743-00-7*0
2-Cyclopropen-1-one O=C1C=C1163.8159.9± 1.1kJ/mol54.0474 ±
0.0024
2961-80-0*0
Cyanovinylidene [C]=CC#N581.7584.2± 1.2kJ/mol51.0468 ±
0.0024
70277-81-5*0
Isocyanovinylidene [C]=C[N+]#[C-]697.0700.4± 1.4kJ/mol51.0468 ±
0.0024
737788-76-0*0
Hydrogen difluoride F.[F]-198.5-198.4± 1.2kJ/mol39.004746 ±
0.000070
12528-21-1*1
Isocyanoethene C=C[N+]#[C-]285.17278.67± 0.94kJ/mol53.0627 ±
0.0024
14668-82-7*1
1-Cyanoethylidene C[C]C#N437.5433.7± 1.5kJ/mol53.0627 ±
0.0024
498544-34-6*1
Isocyanomethylene [CH][N+]#[C-]582.2583.4± 1.7kJ/mol39.0361 ±
0.0016
78694-65-2*1
2-Methyl-2-cyclopropen-1-ylidene CC1=C[C]1448.0441.8± 1.2kJ/mol52.0746 ±
0.0032
185841-59-2*2
1,2,3-Butatrien-1-ylium C=C=C=[CH+]1425.81426.1± 1.3kJ/mol51.0661 ±
0.0032
81932-79-8*1
But-1-en-3-yn-1-ide C#CC=[CH-]419.7418.5± 1.2kJ/mol51.0672 ±
0.0032
119611-65-3*2
But-3-en-1-yn-1-ide C=CC#[C-]326.6323.5± 1.4kJ/mol51.0672 ±
0.0032
58870-47-6*2
Cyclobutenyl C1[CH]C=C1337.2324.7± 1.2kJ/mol53.0825 ±
0.0032
24669-29-2*0
Propargyl chloride C#CCCl186.6180.7± 1.3kJ/mol74.5086 ±
0.0026
624-65-7*0
Dioxosilane O=[Si]=O-277.9-279.2± 2.0kJ/mol60.08430 ±
0.00067
7631-86-9*0
Silylidyne [SiH]371.30373.10± 0.76kJ/mol29.09344 ±
0.00031
13774-94-2*0
Trimethylsilyl C[Si](C)C47.525.4± 2.0kJ/mol73.1891 ±
0.0025
16571-41-8*0
Benzvalene C1=CC2C3C1C23404.4386.6± 1.2kJ/mol78.1118 ±
0.0048
659-85-8*0
Chlorine difluoride [Cl](F)F-47.0-48.2± 1.3kJ/mol73.44951 ±
0.00090
24801-48-7*0
2-Naphthalenyl c12ccccc1C=C[C]=C2416.8397.2± 1.3kJ/mol127.1626 ±
0.0080
10237-50-0*0
1-Naphthalenyl c12ccccc1C=CC=[C]2418.1398.5± 1.3kJ/mol127.1626 ±
0.0080
2510-51-2*0
Aniline c1ccc(cc1)N108.8286.81± 0.72kJ/mol93.1265 ±
0.0048
62-53-3*0
Pyruvic acid CC(=O)C(=O)O-521.1-535.5± 1.1kJ/mol88.0621 ±
0.0026
127-17-3*0
Thiodioxy S=[O+][O-]199.3197.1± 1.3kJ/mol64.0648 ±
0.0060
164034-62-2*0
Sulfuric acid OS(=O)(=O)O-811.81-813.80± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*500
Dioxyamidogen [NH-][O+]=O240.5233.8± 1.8kJ/mol47.01348 ±
0.00061
71843-95-3*2
Peroxynitrous acid OON=O-0.11-7.16± 0.53kJ/mol63.01288 ±
0.00091
14691-52-2*2
Dioxiranylidene [C]1OO1190.3191.1± 1.4kJ/mol44.00950 ±
0.00100
138832-57-2*0
Bifluoride F.[F-]-68.0-67.6± 1.6kJ/mol39.005295 ±
0.000070
*18130-74-0*1
Oxofluoronium O=[F+]1342.661342.61± 0.80kJ/mol34.99725 ±
0.00030
12763-67-6*0
Methylammonium C[NH3+]628.30609.38± 0.97kJ/mol32.06453 ±
0.00091
17000-00-9*0
Aminomethylene [CH][NH2]245.9238.1± 1.5kJ/mol29.04126 ±
0.00083
35430-17-2*0
Methyleneamidogen anion C=[N-]192.83189.08± 0.88kJ/mol28.03387 ±
0.00082
28892-56-0*0
(Z)-Iminomethyl [CH]=N294.51291.03± 0.89kJ/mol28.03332 ±
0.00082
54980-11-9*0
Aminomethylidyne [C]N371.9368.4± 1.1kJ/mol28.03332 ±
0.00082
84654-89-7*0
Ethynylamidogen C#C[NH]395.26393.23± 0.96kJ/mol40.0440 ±
0.0016
73456-14-1*0
Methyleneoxonium [CH2].O152.47144.16± 0.49kJ/mol32.04186 ±
0.00090
177788-17-9*0
Hydroxymethylene anion [CH-]O147.1144.1± 1.6kJ/mol30.02653 ±
0.00087
207914-87-2*1
Hydroxymethyliumylidene [C+]O986.01987.65± 0.83kJ/mol29.01749 ±
0.00086
60528-75-8*0
Isoformyl anion [C][O].[H-]55.758.4± 1.8kJ/mol29.01859 ±
0.00086
81747-63-9*1
Carbonic acid OC(=O)O-602.32-611.63± 0.58kJ/mol62.0248 ±
0.0012
463-79-6*0
Peroxyformic acid C(=O)OO-265.3-273.2± 1.5kJ/mol62.0248 ±
0.0012
107-32-4*2
Oxywater [OH2][O]64.858.3± 1.3kJ/mol34.01468 ±
0.00062
171363-09-0*0
1,3-Propanediyl [CH2]C[CH2]319.2307.0± 1.3kJ/mol42.0797 ±
0.0024
32458-33-6*11
Propan-1-yl-3-ylidene [CH2]C[CH]554.3545.6± 1.3kJ/mol41.0718 ±
0.0024
*50457-59-5*2
1-Propenylidene CC=[C]392.4388.0± 1.1kJ/mol40.0639 ±
0.0024
70277-78-0*1
Cycloprop-2-enyl C1=C[CH]1490.26485.71± 0.58kJ/mol39.0559 ±
0.0024
28933-84-8*0
2-Propen-1-yl-3-ylidene [CH2]C=[C]556.61554.35± 0.89kJ/mol39.0559 ±
0.0024
202744-74-9*0
2-Propynylidyne anion C#C[C-]540.77545.54± 0.75kJ/mol37.0406 ±
0.0024
82893-67-2*0
Peroxychlorous acid O=ClOO95.489.4± 2.0kJ/mol84.4588 ±
0.0013
177778-92-6*1
t-Butylium C[C+](C)C733.92710.64± 0.98kJ/mol57.1137 ±
0.0033
14804-25-2*0
Methylcyclopropane CC1CC147.824.5± 1.3kJ/mol56.1063 ±
0.0032
594-11-6*0
2-Hydrotrioxy cation [O][OH][O+]1298.21291.5± 1.5kJ/mol49.00559 ±
0.00090
*74241-49-9*0
1,2-Butadienylium CC=C=[CH+]1099.21089.8± 1.2kJ/mol53.0820 ±
0.0032
*65114-67-2*2
Dioxosilane O=[Si]=O-906.74-911.72± 0.63kJ/mol60.08430 ±
0.00067
7631-86-9*505
Triiodide I[I-]I-51.49± 0.80kJ/mol380.713959 ±
0.000090
14900-04-0*800
2-Hydrotrioxy anion [O][OH][O-]27.521.8± 1.4kJ/mol49.00669 ±
0.00090
*89965-38-8*0
2,2-Dimethylbutane CCC(C)(C)C-145.29-185.72± 0.75kJ/mol86.1754 ±
0.0049
75-83-2*0
n-Nonane CCCCCCCCC-176.18-227.97± 0.49kJ/mol128.2551 ±
0.0073
111-84-2*0
Ethanol CCO-269.70-277.46± 0.20kJ/mol46.0684 ±
0.0017
64-17-5*500
Vinyl alcohol cation C=C[OH+]786.57775.34± 0.80kJ/mol44.0520 ±
0.0017
57239-63-1*1
Perchloric acid OCl(=O)(=O)=O11.70.2± 1.3kJ/mol100.4582 ±
0.0015
7601-90-3*0
Vinoxy cation [CH2+]C=O1020.21013.2± 1.5kJ/mol43.0441 ±
0.0016
*35731-40-9*1
Vinoxide [CH2-]C=O-153.02-160.08± 0.57kJ/mol43.0452 ±
0.0016
35731-40-9*0
Oxiranyl anion C1[CH-]O1121.3113.2± 1.5kJ/mol43.0452 ±
0.0016
72722-59-9*2
Ketene C=C=O-45.35-48.41± 0.11kJ/mol42.0367 ±
0.0016
463-51-4*2
COC vdW [C]=O.[C]589.7598.4± 1.5kJ/mol40.0208 ±
0.0016
*12071-24-8*1
Oxirene C1=CO1389.9385.7± 1.4kJ/mol42.0367 ±
0.0016
157-18-6*12
Nitrosodioxaziridine O=NN1OO1413.7407.6± 1.8kJ/mol76.01168 ±
0.00091
132871-99-9*1
1,2,3-Trioxolane O1OCCO1-9.5-27.2± 1.8kJ/mol76.0514 ±
0.0019
6669-36-9*0
Methanediol C(O)O-368.99-381.93± 0.79kJ/mol48.0413 ±
0.0010
463-57-0*2
Hydroxymethoxy anion [O-]CO-373.88-383.82± 0.89kJ/mol47.0339 ±
0.0010
67899-36-9*2
Ethoxyoxoniumylidene CCO[O+]923.7911.4± 1.5kJ/mol61.0594 ±
0.0017
268728-77-4*1
Ethaneperoxolate CCO[O-]-120.50-137.12± 0.72kJ/mol61.0604 ±
0.0017
268728-75-2*3
Formyloxoniumylidene C(=O)[O+]1017.41014.0± 1.4kJ/mol45.0169 ±
0.0010
54375-27-8*0
Dioxymethylene [CH]O[O]364.0361.7± 2.4kJ/mol45.0174 ±
0.0010
438586-67-5*1
Trioxidaniumyl O[O+]O925.6916.4± 1.5kJ/mol50.01353 ±
0.00091
161321-37-5*2
Cyanate N#C[O-]-221.17-221.39± 0.53kJ/mol42.01739 ±
0.00086
661-20-1*0
Oxazirinyl [C]1=NO1450.1450.9± 1.5kJ/mol42.01684 ±
0.00086
228850-18-8*0
Hydrogen fluoride F-334.70± 0.15kJ/mol20.006343 ±
0.000070
7664-39-3*800
2-Propene-1,2-diol C=C(O)CO-295.5-315.0± 1.2kJ/mol74.0785 ±
0.0025
44169-27-9*11
2-Methoxy-2-oxoethyl [CH2]C(=O)OC-203.0-218.2± 1.5kJ/mol73.0706 ±
0.0025
54668-31-4*1
(Acetyloxy)methyl CC(=O)O[CH2]-200.2-213.9± 1.5kJ/mol73.0706 ±
0.0025
2887-49-2*1
Glyoxal O=CC=O-207.79-213.35± 0.55kJ/mol58.0361 ±
0.0017
107-22-2*0
Oxygen anion monohydrate [H]O[H][O-]-239.0-244.3± 3.0kJ/mol34.01523 ±
0.00062
31748-17-1*0
Dimethylmethyleneammonium C[N+](C)[CH2]696.7671.6± 1.3kJ/mol58.1018 ±
0.0025
28149-27-1*0
Fluoride [F-]-334.70± 0.15kJ/mol18.99895178 ±
0.00000050
16984-48-8*800
2-Methanidylidynehydrazin-2-ium-1-ide [NH-][N+]#[C-]281.8279.1± 1.4kJ/mol41.03267 ±
0.00082
*947408-74-4*2
2-Methanidylidynehydrazin-2-ium-1-ide [NH-][N+]#[C-]518.6516.1± 1.6kJ/mol41.03267 ±
0.00082
*947408-74-4*12
(E)-Diazene cation [H]/N=[N+]/[H]1132.481125.54± 0.64kJ/mol30.02881 ±
0.00020
59952-06-6*0
(Z)-Diazene [H]/N=N\[H]228.82221.69± 0.63kJ/mol30.02936 ±
0.00020
15626-42-3*0
Isocyanamide N[N+]#[C-]328.5322.6± 1.5kJ/mol42.04006 ±
0.00082
4702-38-9*0
Trichloromethide Cl[C-](Cl)Cl-123.2-122.7± 2.0kJ/mol118.3693 ±
0.0028
14478-07-0*0
1,1,2,2-Tetrachloroethane C(Cl)(Cl)C(Cl)Cl-146.7-156.1± 1.5kJ/mol167.8481 ±
0.0039
79-34-5*0
1,1,2,2-Tetrachloroethane C(Cl)(Cl)C(Cl)Cl-172.9-201.8± 1.5kJ/mol167.8481 ±
0.0039
79-34-5*500
Pentachloroethane C(C(Cl)(Cl)Cl)(Cl)Cl-201.9± 2.5kJ/mol202.2928 ±
0.0048
76-01-7*500
Trichloroethene C(Cl)=C(Cl)Cl-48.8± 1.5kJ/mol131.3874 ±
0.0031
79-01-6*590
Tetrachloroethene C(Cl)(Cl)=C(Cl)(Cl)-61.17± 0.99kJ/mol165.8322 ±
0.0039
127-18-4*500
Trichloroethene C(Cl)=C(Cl)Cl-10.9-14.2± 1.5kJ/mol131.3874 ±
0.0031
79-01-6*0
Bromodichloromethane C(Cl)(Cl)Br-34.9-46.6± 1.2kJ/mol163.8280 ±
0.0022
75-27-4*0
Difluorodibromomethane FC(F)(Br)Br-360.2-378.2± 1.3kJ/mol209.8155 ±
0.0022
75-61-6*0
Dichlorodibromomethane ClC(Cl)(Br)Br27.711.8± 1.3kJ/mol242.7241 ±
0.0028
594-18-3*0
Difluorobromomethane C(F)(F)Br-411.40-424.59± 0.46kJ/mol130.9194 ±
0.0013
1511-62-2*0
1,2-Difluoroethane C(F)CF-434.39-447.81± 0.80kJ/mol66.0500 ±
0.0016
624-72-6*0
Fluoro(fluorooxy)methylene F[C]OF-37.5-39.1± 1.4kJ/mol66.00691 ±
0.00085
479587-30-9*1
Benzenium C1C=C[CH+]C=C1887.7867.6± 1.1kJ/mol79.1192 ±
0.0048
26812-57-7*0
Phenylium c1cccc[c+]11251.21238.1± 1.6kJ/mol77.1034 ±
0.0048
17333-73-2*1
Benzylium c1ccc(cc1)[CH2+]929.70910.20± 0.55kJ/mol91.1299 ±
0.0056
6711-19-9*0
Pentalene C1=CC2=CC=CC2=C1389.8373.6± 1.4kJ/mol102.1332 ±
0.0064
250-25-9*0
Benzoyl chloride c1ccc(cc1)C(=O)Cl-157.09± 0.26kJ/mol140.5667 ±
0.0057
98-88-4*500
Benzoyl chloride c1ccc(cc1)C(=O)Cl-90.1-105.4± 1.3kJ/mol140.5667 ±
0.0057
98-88-4*0
Hexafluorobenzene Fc1c(F)c(F)c(F)c(F)c1F-942.58-947.58± 0.87kJ/mol186.0546 ±
0.0048
392-56-3*0
Chlorobenzene cation c1ccc(cc1)[Cl+]942.59928.67± 0.61kJ/mol112.5561 ±
0.0049
55450-32-3*0
Chlorobenzene c1ccc(cc1)Cl11.34± 0.59kJ/mol112.5566 ±
0.0049
108-90-7*500
m-Chlorophenyl c1(Cl)c[c]ccc1321.3310.5± 1.6kJ/mol111.5487 ±
0.0049
3474-40-6*0
p-Chlorophenyl c1(Cl)cc[c]cc1324.2313.4± 1.6kJ/mol111.5487 ±
0.0049
2396-00-1*0
o-Chlorophenyl c1(Cl)[c]cccc1328.5317.8± 1.6kJ/mol111.5487 ±
0.0049
3474-42-8*0
Bromobenzene cation c1ccc(cc1)[Br+]995.1973.5± 1.3kJ/mol157.0074 ±
0.0049
55450-33-4*0
Iodobenzene c1ccc(cc1)I113.5113.6± 1.1kJ/mol204.0084 ±
0.0048
591-50-4*500
Nitrobenzene c1ccc(cc1)[N+](=O)[O-]82.162.1± 1.4kJ/mol123.1094 ±
0.0049
98-95-3*0
Dihydrogen fluoride anion F.[H-]133.2131.9± 1.6kJ/mol21.01483 ±
0.00014
117339-92-1*1
3-Methylenecyclopropene cation [CH2+]=C1C=C11181.71174.6± 1.2kJ/mol52.0740 ±
0.0032
79105-72-9*0
1-Hydroxy-1-methylethyl cation C[C+](O)C521.3501.0± 1.2kJ/mol59.0865 ±
0.0025
*5131-95-3*0
1-Hydroxypropyl CC[CH]O-55.4-73.1± 1.1kJ/mol59.0871 ±
0.0025
5723-77-3*0
1,3-Butadien-2-ol C=C(O)C=C-53.4-70.4± 1.5kJ/mol70.0898 ±
0.0032
59120-04-6*11
Cyclopropanone O=C1CC130.6119.19± 0.96kJ/mol56.0633 ±
0.0024
5009-27-8*0
Hydroxyaminiumyl [N+]O1161.21158.2± 1.4kJ/mol31.01353 ±
0.00032
63559-88-6*0
Xenon cation [Xe+]1170.3541170.354± 0.0062kJ/mol131.2895 ±
0.0200
24203-25-6*0
2-Formylethen-1-ide [CH-]=CC=O27.320.5± 2.5kJ/mol55.0559 ±
0.0024
135924-69-5*11
Ethenedione O=C=C=O14.517.0± 1.2kJ/mol56.0202 ±
0.0017
4363-38-6*0
Chlorine fluoride cation [Cl+]F1165.521165.70± 0.49kJ/mol54.45055 ±
0.00090
12432-44-9*0
Oxygen cation monohydrate [H]O[H][O+]1153.31147.8± 3.3kJ/mol34.01413 ±
0.00062
*31748-17-1*0
Formaldonitrone [CH2]N[O]78.367.1± 1.4kJ/mol45.04066 ±
0.00088
67353-84-8*0
2-Cyclopropen-1-imine C1=CC1=N401.8394.1± 1.4kJ/mol53.0627 ±
0.0024
31589-17-0*0
1-Isocyanovinyl C=[C][N+]#[C-]519.0517.3± 1.4kJ/mol52.0547 ±
0.0024
321850-14-0*0
Chlorine chlorite ClO[Cl]=O168.6166.2± 1.3kJ/mol102.9042 ±
0.0019
105206-44-8*3
Hydroxyamidogen [NH]O123.3116.7± 1.7kJ/mol32.02202 ±
0.00034
13940-32-4*2
Hydroxyaminylium [NH+]O1019.51012.3± 2.5kJ/mol32.02147 ±
0.00034
66097-71-0*1
Vinylvinylidene C=CC=[C]494.1488.8± 1.7kJ/mol52.0746 ±
0.0032
148759-16-4*2
But-1-en-3-yn-1-ide C#CC=[CH-]422.3420.9± 1.3kJ/mol51.0672 ±
0.0032
119611-65-3*1
Tetrahedryl anion [C-]12C3C1C23634.5630.7± 1.6kJ/mol51.0672 ±
0.0032
138805-00-2*0
Deuterium atom [2H]219.804221.717± 0.000kJ/mol2.01410177800 ±
0.00000000040
16873-17-9*0
Silicon carbide [Si]=[C]740.4745.3± 2.4kJ/mol40.09620 ±
0.00085
409-21-2*0
Silicon carbide [Si]=[C]-70.6-71.6± 1.5kJ/mol40.09620 ±
0.00085
409-21-2*501
Silanide [SiH3-]69.363.7± 1.4kJ/mol31.10987 ±
0.00037
15807-96-2*0
Fluorohydrochlorine cation FCl[H+]975.3972.3± 2.0kJ/mol55.45849 ±
0.00090
70110-64-4*0
Dimethylsilanone C[Si](=O)C-237.3-252.8± 2.3kJ/mol74.1539 ±
0.0017
47956-45-6*0
Dimethylsilane C[SiH2]C-66.7-88.2± 1.1kJ/mol60.1704 ±
0.0017
1111-74-6*0
Chlorosyl hydride [H]Cl[O]141.9139.0± 1.7kJ/mol52.46004 ±
0.00095
71572-35-5*0
Hydroxysilyl anion [SiH2-]O-219.2-227.2± 2.1kJ/mol47.10927 ±
0.00047
78450-47-2*1
Triprismane C12C3C1C4C2C34576.0556.6± 1.3kJ/mol78.1118 ±
0.0048
650-42-0*0
Propargylallene C=C=CCC#C431.4419.8± 1.4kJ/mol78.1118 ±
0.0048
33142-15-3*3
Aquachlorine cation [Cl+]O([H])[H]822.0815.1± 1.8kJ/mol53.46743 ±
0.00096
142599-65-3*0
Biphenyl c1ccccc1c2ccccc2207.0178.8± 1.1kJ/mol154.2078 ±
0.0096
92-52-4*0
Diacetylide [C-]#CC#C460.91465.94± 0.97kJ/mol49.0513 ±
0.0032
59012-21-4*0
Hydrogen difluoride cation [F+]F[H]1174.31171.3± 1.5kJ/mol39.004198 ±
0.000070
*126950-54-7*0
Sulfur trioxide anion O=[S-](=O)=O-604.4-610.0± 2.8kJ/mol80.0647 ±
0.0061
12210-38-7*0
Chlorine difluoride cation [Cl+](F)F998.9996.7± 1.7kJ/mol73.44896 ±
0.00090
32629-46-2*0
Bisulfite cation O=S(O)[O+]554.0545.3± 1.3kJ/mol81.0716 ±
0.0061
43637-78-1*0
Hydrogen atom [H]-18.9-21.4± 4.3kJ/mol1.007940 ±
0.000070
12385-13-6*1002001
Hydrogen atom [H]-30.3-32.7± 5.3kJ/mol1.007940 ±
0.000070
12385-13-6*1002004
NON [N]O[N]545.5542.6± 1.7kJ/mol44.01288 ±
0.00033
227934-46-5*0
Vinylidene [C]=C610.62610.33± 0.39kJ/mol26.0373 ±
0.0016
2143-69-3*1
Iminomethide [CH-]=N237.3233.5± 1.8kJ/mol28.03387 ±
0.00082
90623-30-6*1
Hydroxydioxonitrate O[N](=O)[O-]-193.2-197.5± 2.4kJ/mol63.01343 ±
0.00091
58875-09-5*0
Cyanogen iodide anion IC#[N-]86.588.8± 8.1kJ/mol152.92246 ±
0.00080
1356929-44-6*0
Methanol CO-235.27-238.60± 0.15kJ/mol32.04186 ±
0.00090
67-56-1*500
Formaldehyde cation C=[O+]944.853941.232± 0.096kJ/mol30.02543 ±
0.00087
54288-05-0*0
Isoformyl anion [C][O].[H-]267.4268.0± 1.6kJ/mol29.01859 ±
0.00086
81747-63-9*2
Trihydrogen dioxide anion [OH][H][OH-]-487.4-495.7± 1.1kJ/mol35.02317 ±
0.00064
12501-19-8*0
1,3-Propanediyl [CH2]C[CH2]358.6343.6± 1.4kJ/mol42.0797 ±
0.0024
32458-33-6*22
Allene cation C=C=[CH2+]1132.181125.03± 0.22kJ/mol40.0633 ±
0.0024
65812-77-3*0
2-Propenylidene [CH]C=C417.5409.9± 1.5kJ/mol40.0639 ±
0.0024
19527-08-3*11
2-Propenylidene [CH]C=C452.64445.51± 0.90kJ/mol40.0639 ±
0.0024
19527-08-3*2
Cycloprop-1-enylide C1C=[C-]1373.6369.2± 1.7kJ/mol39.0565 ±
0.0024
80251-77-0*0
2-Cyclopropen-1-ylium-1-yl C1=[C+]=C11381.81380.8± 1.1kJ/mol38.0474 ±
0.0024
85398-75-0*0
Propynylidene [CH]=C=[CH]597.8599.5± 1.3kJ/mol38.0480 ±
0.0024
67152-18-5*3
Propenediylidene [CH][CH][C]796.3797.5± 1.4kJ/mol38.0480 ±
0.0024
60731-11-5*0
n-Butylium CCC[CH2+]827.4803.1± 1.1kJ/mol57.1137 ±
0.0033
25453-90-1*0
Hydrogen fluoride F-321.90± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*820
2-Butynylium CC#C[CH2+]1085.81077.6± 1.3kJ/mol53.0820 ±
0.0032
64235-83-2*2
1-Methylene-2-propenyl anion C=C[C-]=C256.3246.5± 1.3kJ/mol53.0830 ±
0.0032
64480-63-3*0
1,3-Butadienyl anion C=CC=[CH-]265.3254.9± 1.5kJ/mol53.0830 ±
0.0032
65114-68-3*0
n-Decane CCCCCCCCCC-192.10-248.85± 0.79kJ/mol142.2817 ±
0.0081
124-18-5*0
Ethyloxoniumyl CC[OH+]783.3766.4± 1.7kJ/mol46.0679 ±
0.0017
34480-55-2*0
1-Hydroxyethyl C[CH]O-41.45-54.92± 0.92kJ/mol45.0605 ±
0.0017
2348-46-1*2
1-Hydroxyethylium C[CH+]O608.80594.37± 0.38kJ/mol45.0600 ±
0.0017
18682-96-7*0
2-Hydroxyethylium [CH2+]CO1019.21006.4± 1.5kJ/mol45.0600 ±
0.0017
38607-31-7*3
Ethyloxoniumylidene CC[O+]988.7975.0± 1.5kJ/mol45.0600 ±
0.0017
54387-07-4*0
Triiodide I[I-]I-254.3-257.5± 3.4kJ/mol380.713959 ±
0.000090
14900-04-0*0
Acetaldehyde cation CC=[O+]832.04822.06± 0.23kJ/mol44.0520 ±
0.0017
36505-03-0*0
1-Hydroxyethylidene C[C]O184.9175.5± 1.4kJ/mol44.0526 ±
0.0017
30967-49-8*1
Methoxymethylene CO[CH]245.3235.8± 1.4kJ/mol44.0526 ±
0.0017
19527-10-7*1
1-Hydroxyethenyl C=[C]O121.25114.87± 0.87kJ/mol43.0446 ±
0.0016
81847-74-7*0
Oxiranylium C1[CH+]O11233.61226.6± 1.6kJ/mol43.0441 ±
0.0016
57789-76-1*1
Oxiranyl anion C1[CH-]O1141.0135.0± 1.6kJ/mol43.0452 ±
0.0016
72722-59-9*1
Acetic acid CC(=O)O-485.10± 0.27kJ/mol60.0520 ±
0.0017
64-19-7*800
Ketenyl anion [CH-]=C=O-48.44-47.51± 0.82kJ/mol41.0293 ±
0.0016
64066-01-9*0
Dicarbon monoxide anion [C-]=C=O154.17157.82± 0.83kJ/mol40.0213 ±
0.0016
87191-88-6*0
Dicarbon monoxide [C]=C=O440.21444.55± 0.83kJ/mol40.0208 ±
0.0016
12071-23-7*2
COC vdW [C]=O.[C]726.2734.6± 1.7kJ/mol40.0208 ±
0.0016
*12071-24-8*2
C=O-C cation [C]=[O+][C]1585.81592.9± 2.7kJ/mol40.0203 ±
0.0016
83483-98-1*1
C=O=C anion [C-]=[O+]=[C-]550.3554.0± 1.7kJ/mol40.0213 ±
0.0016
*87191-88-6*0
Oxirene cation C1=C[O+]11106.31102.6± 1.9kJ/mol42.0361 ±
0.0016
94664-69-4*0
Ethynol C#CO95.3192.82± 0.73kJ/mol42.0367 ±
0.0016
32038-79-2*0
Ethynol C#CO400.0397.6± 1.9kJ/mol42.0367 ±
0.0016
32038-79-2*11
Oxoethylidene [CH]C=O265.9262.6± 1.6kJ/mol42.0367 ±
0.0016
39920-84-8*11
1-Hydroperoxyethylium C[CH+]OO841.3829.3± 1.7kJ/mol61.0594 ±
0.0017
*126898-98-4*11
Ethenyldioxy C=CO[O]118.7109.2± 1.3kJ/mol59.0440 ±
0.0017
88181-72-0*1
Formic acid cation [CH+](=O)O723.8716.7± 1.2kJ/mol46.0248 ±
0.0010
50614-05-6*2
Formic acid anion [CH-](=O)O-256.2-262.3± 1.8kJ/mol46.0259 ±
0.0010
19066-82-1*1
Peroxychlorite O=ClO[O-]-34.4-34.4± 2.0kJ/mol83.4514 ±
0.0013
852472-63-0*0
Isocyanic acid cation [NH+]=C=O1003.001000.34± 0.49kJ/mol43.02423 ±
0.00086
444010-28-0*0
Fulminic acid cation C#[N+][O]1215.71212.9± 1.3kJ/mol43.02423 ±
0.00086
114766-65-3*0
Dibromide [Br-]Br-197.0-211.1± 2.3kJ/mol159.8085 ±
0.0020
12595-70-9*0
Fluorosyl fluoride FF[O]192.8193.3± 2.3kJ/mol53.99621 ±
0.00030
86825-57-2*1
1,2-Ethenediol OC=CO-254.0-266.4± 1.3kJ/mol60.0520 ±
0.0017
1571-60-4*2
Acetyl chloride CC(=O)Cl-272.09± 0.39kJ/mol78.4973 ±
0.0019
75-36-5*500
Methyl formate COC=O-388.59± 0.67kJ/mol60.0520 ±
0.0017
107-31-3*500
Ethyl formate C(=O)OCC-355.4-374.6± 1.4kJ/mol74.0785 ±
0.0025
109-94-4*2
Dioxygen O=O94.41094.383± 0.000kJ/mol31.99880 ±
0.00060
7782-44-7*2
Acetoxy CC(=O)[O]-182.16-190.98± 0.80kJ/mol59.0440 ±
0.0017
13799-69-4*1
1-Chloro ozone ClOO[O]226.3223.0± 2.3kJ/mol83.4509 ±
0.0013
141801-66-3*101
2-Methoxy-2-oxoethyl [CH2]C(=O)OC-172.9-188.1± 1.7kJ/mol73.0706 ±
0.0025
54668-31-4*2
(Acetyloxy)methyl CC(=O)O[CH2]-173.9-186.9± 1.7kJ/mol73.0706 ±
0.0025
2887-49-2*2
Hydroxyoxoethenyl O[C]=C=O24.522.8± 1.7kJ/mol57.0281 ±
0.0017
702699-39-6*0
Fluoronium [H][F+][H]1490.11491.4± 1.9kJ/mol21.01373 ±
0.00014
12206-67-6*1
Isocyanomethylidyne [C][N+]#[C-]672.1676.5± 1.7kJ/mol38.0281 ±
0.0016
53590-27-5*0
Cyanomethylidyne [C]C#N684.7689.1± 2.1kJ/mol38.0281 ±
0.0016
4120-02-9*0
Cyanoaminylium [NH+]C#N1363.11360.8± 1.3kJ/mol41.03157 ±
0.00082
205443-18-1*1
Cyanoamidogen anion [NH-]C#N69.7266.72± 0.72kJ/mol41.03267 ±
0.00082
67131-47-9*0
Diazomethylium [CH+]=[N]=[N]1395.71394.1± 1.3kJ/mol41.03157 ±
0.00082
271249-81-1*1
Diazomethanide [CH-]=[N]=[N]305.17302.08± 0.76kJ/mol41.03267 ±
0.00082
100840-43-5*0
2-Methyliumylidynehydrazin-2-ium-1-ide [NH-][N+]#[C+]1544.11542.4± 1.7kJ/mol41.03157 ±
0.00082
*947408-73-3*2
2-Methyliumylidynehydrazin-2-ium-1-ide [NH-][N+]#[C+]1563.11561.5± 1.5kJ/mol41.03157 ±
0.00082
*947408-73-3*1
Nitrilomethylimidogen [N]C=[N]728.7725.6± 2.4kJ/mol41.03212 ±
0.00082
324529-58-0*1
Methanediimine N=C=N153.1146.4± 1.3kJ/mol42.04006 ±
0.00082
151-51-9*0
Tetrachloromethane ClC(Cl)(Cl)Cl-104.63-124.04± 0.42kJ/mol153.8215 ±
0.0037
56-23-5*500
Hydrogen chloride Cl-166.989± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*800
Dichloromethylene anion Cl[C-]Cl75.9678.24± 0.77kJ/mol82.9166 ±
0.0020
118364-73-1*0
Dichloromethylium [CH+](Cl)Cl895.4892.2± 1.2kJ/mol83.9235 ±
0.0020
56932-33-3*0
Dichloromethide [CH-](Cl)Cl-40.8-42.5± 2.0kJ/mol83.9246 ±
0.0020
32180-91-9*0
Chloromethylium [CH2+]Cl962.4958.5± 1.2kJ/mol49.4787 ±
0.0012
59000-00-9*0
Chloromethylene [CH]Cl346.23346.53± 0.89kJ/mol48.4713 ±
0.0012
2108-20-5*1
Dihydrogen fluoride anion [F-].[H][H]-257.0-260.1± 1.9kJ/mol21.01483 ±
0.00014
*117339-92-1*2
1,2-Dichloroethane C(Cl)CCl-165.68± 0.56kJ/mol98.9586 ±
0.0024
107-06-2*500
Chloride [Cl-]-166.989± 0.023kJ/mol35.45325 ±
0.00090
16887-00-6*800
1,1-Dichloroethane CC(Cl)Cl-163.77± 0.48kJ/mol98.9586 ±
0.0024
75-34-3*500
1,1,2-Trichloroethane C(Cl)C(Cl)Cl-187.6± 1.1kJ/mol133.4033 ±
0.0031
79-00-5*500
Pentachloroethane C(C(Cl)(Cl)Cl)(Cl)Cl-150.5-156.5± 1.9kJ/mol202.2928 ±
0.0048
76-01-7*0
Dioxymethylidyne [C]O[O]299.8301.1± 1.7kJ/mol44.00950 ±
0.00100
791121-04-5*0
Chloroform C(Cl)(Cl)Cl-130.90± 0.43kJ/mol119.3767 ±
0.0028
67-66-3*590
Chlorodibromomethane C(Cl)(Br)Br21.83.0± 3.5kJ/mol208.2793 ±
0.0023
124-48-1*0
Bromochloromethane C(Cl)Br-28.2-42.3± 1.3kJ/mol129.3833 ±
0.0016
74-97-5*0
Azanylium [NH2+]1266.561264.49± 0.11kJ/mol16.02207 ±
0.00016
15194-15-7*0
Fluoromethylene [CH]F148.40148.68± 0.43kJ/mol32.01704 ±
0.00080
13453-52-6*0
Dioxygenyl ion monohydrate O.O=[O+]828.7821.6± 2.1kJ/mol50.01353 ±
0.00091
11083-61-7*0
Ethyl iodide CCI8.72-7.15± 0.49kJ/mol155.9656 ±
0.0016
75-03-6*0
1,2-Dibromoacetylene BrC#CBr333.0322.1± 2.3kJ/mol183.8294 ±
0.0026
624-61-3*0
Diazenide N#N.[H-]175.6176.7± 1.6kJ/mol29.02197 ±
0.00016
71004-29-0*100
Fluoro(fluorooxy)methylene F[C]OF-97.5-95.7± 1.6kJ/mol66.00691 ±
0.00085
479587-30-9*101
Fluorooxomethylium O=[C+]F724.9724.5± 1.2kJ/mol47.00795 ±
0.00085
38264-00-5*0
Fluoroisoformyl [C]OF-37.8-32.4± 1.6kJ/mol47.00850 ±
0.00085
*1871-24-5*0
Benzene cation c1ccc(cc1)[H+]992.61976.14± 0.21kJ/mol78.1113 ±
0.0048
34504-50-2*0
Diiodide I[I-]-178.13-180.72± 0.48kJ/mol253.809489 ±
0.000060
12190-71-5*0
Chlorosyl chloride ClCl[O]134.5133.2± 1.4kJ/mol86.9048 ±
0.0018
86825-56-1*0
Benzoic acid c1ccc(cc1)C(=O)O-367.31-384.73± 0.17kJ/mol122.1213 ±
0.0056
65-85-0*500
Hydrogen fluoride F-321.84± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*818
2,3-Dimethylbenzaldehyde Cc1c(C)cccc1C=O-66.3-94.3± 2.4kJ/mol134.1751 ±
0.0072
5779-93-1*0
(2,3-dimethylphenyl)oxomethyl Cc1c(C)cccc1[C]=O82.659.9± 2.6kJ/mol133.1672 ±
0.0072
*104680-89-9*0
2-Cyclopropyn-1-ylidene C1=C=C=1898.4905.3± 1.5kJ/mol36.0321 ±
0.0024
102508-15-6*1
m-Chlorophenide c1(Cl)c[c-]ccc1172.4162.2± 1.5kJ/mol111.5492 ±
0.0049
77748-34-6*0
p-Chlorophenide c1(Cl)cc[c-]cc1179.4169.0± 1.5kJ/mol111.5492 ±
0.0049
77748-42-6*0
o-Chlorophenide c1(Cl)[c-]cccc1158.6148.6± 1.5kJ/mol111.5492 ±
0.0049
72863-53-7*0
2-Cyclopropyn-1-ylium-1-yl [C+]1=C=C=11939.21947.1± 1.3kJ/mol36.0316 ±
0.0024
154702-35-9*0
2-Oxopropylium CC(=[O+])[CH2]784.7770.9± 1.7kJ/mol57.0707 ±
0.0024
54088-52-7*0
Ammonium nitrate [NH4+].O=[N+]([O-])[O-]-350.19-365.16± 0.18kJ/mol80.04344 ±
0.00095
6484-52-2*500
Ammonia N-80.884± 0.053kJ/mol17.03056 ±
0.00022
7664-41-7*1000
2,3-Butanedione CC(=O)C(=O)C-310.75-327.32± 0.62kJ/mol86.0892 ±
0.0033
431-03-8*0
1,2-Dibromoethane C(Br)CBr-11.5-38.3± 1.2kJ/mol187.8612 ±
0.0026
106-93-4*0
Dimethylketene CC(=C=O)C-73.4-88.2± 1.2kJ/mol70.0898 ±
0.0032
598-26-5*0
2-Methyloxirene CC1=CO1344.1334.1± 1.8kJ/mol56.0633 ±
0.0024
2835-41-8*11
1,3-Butadiyne-1,4-diyl [C]#CC#[C]1052.221062.20± 0.64kJ/mol48.0428 ±
0.0032
78015-07-3*0
3-Oxo-1-propenylium [CH+]=CC=O1185.61179.6± 3.0kJ/mol55.0548 ±
0.0024
101705-90-2*111
(Hydroxyimino)methyl [CH]=NO250.1243.9± 1.8kJ/mol44.03272 ±
0.00087
206442-92-4*1
Fluorochlorate [Cl-]F-256.03-255.43± 0.81kJ/mol54.45165 ±
0.00090
12272-56-9*0
Hydrogen fluoride F-321.70± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*815
1-Isocyanoethylidene C[C][N+]#[C-]545.5540.7± 1.6kJ/mol53.0627 ±
0.0024
*498544-34-6*1
3-Imino-2-propen-1-ylidene [CH]C=C=N571.8566.8± 1.6kJ/mol53.0627 ±
0.0024
916765-05-4*21
2-(Methylidyneamino)ethenyl [CH]=CN=[CH]634.4629.8± 1.6kJ/mol53.0627 ±
0.0024
123416-74-0*21
Azete C1=CN=C1469.4461.3± 1.5kJ/mol53.0627 ±
0.0024
287-24-1*0
2-Cyanovinylium [CH+]=CC#N1517.21515.1± 1.8kJ/mol52.0542 ±
0.0024
85398-67-0*21
2-Cyanovinyl anion [CH-]=CC#N263.7260.8± 1.8kJ/mol52.0553 ±
0.0024
*85398-67-0*2
2-Isocyanovinyl [CH]=C[N+]#[C-]543.2541.2± 1.7kJ/mol52.0547 ±
0.0024
225798-14-1*1
3-Oxo-1,2-propadienylidene [C]=C=C=O330.4336.4± 1.8kJ/mol52.0315 ±
0.0024
11127-17-6*0
Vinylacetylene cation C=CC#[CH+]1221.71215.2± 1.1kJ/mol52.0740 ±
0.0032
59699-48-8*0
Bicyclo[1.1.0]but-2-ylium-1-yl [C+]12=CC2C11287.01278.0± 1.5kJ/mol52.0740 ±
0.0032
*78525-41-4*0
Oxadiazirene N1=NO1351.7349.9± 1.7kJ/mol44.01288 ±
0.00033
227934-45-4*0
Hydrogen difluoride F.[F]-187.4-187.1± 1.6kJ/mol39.004746 ±
0.000070
12528-21-1*2
Azidonitrene [N]=NN=[N]692.1687.5± 1.4kJ/mol56.02696 ±
0.00028
147363-92-6*2
3-Methylene-1-cyclopropen-1-yl anion C=C1C=[C-]1417.2413.5± 1.6kJ/mol51.0672 ±
0.0032
*117469-28-0*0
2-Cyclopropen-1-ylidenemethyl [CH]=C1C=C1635.7632.5± 1.3kJ/mol51.0666 ±
0.0032
127611-25-0*0
5-Methyl-1,3-cyclopentadiene CC1C=CC=C1134.0111.0± 1.4kJ/mol80.1277 ±
0.0048
96-38-8*0
Fulvenone O=C=C1C=CC=C1117.3107.1± 1.6kJ/mol92.0954 ±
0.0048
4727-22-4*0
Disilicon [Si][Si]587.5591.4± 1.6kJ/mol56.17100 ±
0.00060
12597-35-2*0
Hydroxyimidogen [N]O217.91215.03± 0.77kJ/mol31.01408 ±
0.00032
35337-59-8*0
Oxochloronium [Cl+]=O1150.861150.70± 0.66kJ/mol51.45155 ±
0.00095
12301-79-0*0
Trifluoromethide F[C-](F)F-637.5-639.3± 1.8kJ/mol69.00646 ±
0.00080
54128-17-5*0
Disiloxane [SiH3]O[SiH3]-330.2-347.3± 2.3kJ/mol78.21804 ±
0.00079
13597-73-4*0
Iodotrimethylsilane C[Si](I)(C)C-189.8-214.5± 2.1kJ/mol200.0935 ±
0.0025
16029-98-4*0
Nitrous acid N(=O)O-71.36-77.72± 0.26kJ/mol47.01348 ±
0.00061
7782-77-6*2
Chlorohydrofluorine cation ClF[H+]1000.8998.1± 2.1kJ/mol55.45849 ±
0.00090
70110-63-3*0
1,2,3,5-Hexatetraene C=C=C=CC=C391.7379.9± 1.6kJ/mol78.1118 ±
0.0048
60239-33-0*1
1,2,3-Pentatriene C=C=C=CC302.6290.3± 1.4kJ/mol66.1011 ±
0.0040
62018-46-6*0
(Z)-1-Methylallyl C/C=C\[CH2]154.59137.20± 0.99kJ/mol55.0984 ±
0.0032
98705-00-1*0
Nitronium O=[N+]=O961.80958.24± 0.20kJ/mol46.00499 ±
0.00060
14522-82-8*0
Anthracene c1ccc2cc3ccccc3cc2c1256.04227.02± 0.92kJ/mol178.2292 ±
0.0112
120-12-7*0
Helium hydride cation [He][H+]1350.1481348.258± 0.000kJ/mol5.009993 ±
0.000070
17009-49-3*0
Dihydrogen cation [H][H+]1488.3641488.480± 0.000kJ/mol2.01533 ±
0.00014
12184-90-6*0
Peroxyimidogen [N]O[O]405.4403.4± 1.9kJ/mol46.00554 ±
0.00060
*60488-31-5*0
Sulfuric acid OS(=O)(=O)O-895.08± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*898
Hydrogen atom [H]-22.3-25.6± 1.5kJ/mol1.007940 ±
0.000070
12385-13-6*1001001
Hydrogen atom [H]-33.4-36.7± 1.5kJ/mol1.007940 ±
0.000070
12385-13-6*1001004
Ethylene cation C=[CH2+]1075.191067.98± 0.11kJ/mol28.0526 ±
0.0016
34470-02-5*0
Trioxodinitrate anion O=N-[N](=O)[O-]-104.2-107.5± 1.9kJ/mol76.01223 ±
0.00091
194856-62-7*100
Peroxyformic acid C(=O)OO-265.2-273.1± 1.4kJ/mol62.0248 ±
0.0012
107-32-4*3
Propylidene CC[CH]355.7340.3± 2.0kJ/mol42.0797 ±
0.0024
6700-78-3*21
Cyclopropylium C1C[CH+]11101.531088.72± 0.73kJ/mol41.0713 ±
0.0024
1724-43-2*200
Tetraoxidanyl OOO[O]2.10.4± 2.9kJ/mol65.0055 ±
0.0012
69696-93-1*100
Propyne cation CC#[CH+]1192.601186.87± 0.38kJ/mol40.0633 ±
0.0024
34526-53-9*0
Cyclopropylidene [C]1CC1544.7535.9± 1.5kJ/mol40.0639 ±
0.0024
2143-70-6*2
Propynylidene cation C#C[CH+]1409.531412.09± 0.86kJ/mol38.0474 ±
0.0024
75123-91-0*0
Propynylidene [CH]=C=[CH]597.6599.4± 1.1kJ/mol38.0480 ±
0.0024
67152-18-5*4
Propadienylidenide C=C=[C-]381.15382.05± 0.41kJ/mol38.0485 ±
0.0024
109292-49-1*0
1,2-Propadien-1-ylium-1-yl C=C=[C+]1561.51562.8± 1.4kJ/mol38.0474 ±
0.0024
110714-00-6*0
Trifluoride ion FF[F-]-349.0-349.8± 2.6kJ/mol56.9957582 ±
0.0000015
25730-99-8*0
Oxadiazirine anion [N-]1=NO195.195.5± 2.9kJ/mol44.01343 ±
0.00033
350586-31-1*0
n-Pentane CCCCC-155.83-172.80± 0.30kJ/mol72.1488 ±
0.0041
109-66-0*500
iso-Pentane CCC(C)C-178.21± 0.39kJ/mol72.1488 ±
0.0041
78-78-4*500
neo-Pentane CC(C)(C)C-189.53± 0.38kJ/mol72.1488 ±
0.0041
463-82-1*500
Cyclopentane C1CCCC1-104.63± 0.38kJ/mol70.1329 ±
0.0041
287-92-3*590
2-Methylpentane CCCC(C)C-134.46-173.72± 0.73kJ/mol86.1754 ±
0.0049
107-83-5*0
3-Methylpentane CCC(C)CC-131.92-171.43± 0.76kJ/mol86.1754 ±
0.0049
96-14-0*0
2,3-Dimethylbutane CC(C)C(C)C-136.51-177.61± 0.81kJ/mol86.1754 ±
0.0049
79-29-8*0
Cyclohexane C1CCCCC1-131.77-155.90± 0.28kJ/mol84.1595 ±
0.0049
110-82-7*500
1,5-Hexadiene C=CCCC=C108.5283.93± 0.39kJ/mol82.1436 ±
0.0049
592-42-7*0
Acetylene anion C#[CH-]356.9356.7± 1.9kJ/mol26.0378 ±
0.0016
50443-89-5*1
2-Hydroxyethyl [CH2]CO-5.9-18.3± 1.5kJ/mol45.0605 ±
0.0017
4422-54-2*3
Ethoxy CC[O]1.29-12.14± 0.42kJ/mol45.0605 ±
0.0017
2154-50-9*0
Fluoroniumyl ion [FH+]1275.5571275.789± 0.022kJ/mol20.005795 ±
0.000070
12381-92-9*0
Trichlorine cation Cl[Cl+]Cl1056.61055.5± 1.4kJ/mol106.3576 ±
0.0027
33088-85-6*2
Dicarbon monoxide cation [C+]=C=O1433.91439.0± 2.1kJ/mol40.0203 ±
0.0016
12287-08-0*0
C=O-C cation [C]=[O+][C]1816.81820.9± 2.0kJ/mol40.0203 ±
0.0016
83483-98-1*2
Oxirene anion C1=C[O-]1288.3285.3± 2.2kJ/mol42.0372 ±
0.0016
*157-18-6*0
Oxoethylidene [CH]C=O261.1258.3± 1.1kJ/mol42.0367 ±
0.0016
39920-84-8*1
Dihydrogen fluoride F.H-55.9-54.9± 1.6kJ/mol21.01428 ±
0.00014
12592-22-2*1
Ethoxyoxoniumylidene CCO[O+]962.3945.9± 1.7kJ/mol61.0594 ±
0.0017
268728-77-4*22
2-Hydroperoxyethylium [CH2+]COO999.8988.8± 1.7kJ/mol61.0594 ±
0.0017
*84824-62-4*1
Formic acid anion [CH-](=O)O-241.2-246.9± 1.9kJ/mol46.0259 ±
0.0010
19066-82-1*2
Trichloride Cl[Cl-]Cl-328.5-327.6± 1.3kJ/mol106.3586 ±
0.0027
18434-33-8*0
Dioxirane cation C1[O+]O11050.81043.1± 2.0kJ/mol46.0248 ±
0.0010
232262-10-1*0
Dioxymethyl cation C=[O+][O]1074.81068.4± 1.7kJ/mol46.0248 ±
0.0010
232262-11-2*0
Chlorine oxide peroxide O=ClO[O]226.5227.4± 2.5kJ/mol83.4509 ±
0.0013
141801-67-4*100
Nitrosyl fluoride FN=O-85.48-87.84± 0.79kJ/mol49.00454 ±
0.00031
7789-25-5*0
Dioxymethylene [CH]O[O]341.8339.8± 3.0kJ/mol45.0174 ±
0.0010
438586-67-5*2
OH-CO vdW complex [O][H].[C]#O-80.50-76.77± 0.85kJ/mol45.0174 ±
0.0010
*2564-85-4*100
CO-HO vdW complex [O][H].O#[C]-77.5-73.3± 1.3kJ/mol45.0174 ±
0.0010
*2564-84-3*100
Cyanato cation N#C[O+]1261.511262.01± 0.58kJ/mol42.01629 ±
0.00086
17247-99-3*0
Nitrosomethyliumylidene [C+]N=O1509.81510.9± 1.7kJ/mol42.01629 ±
0.00086
67197-19-7*0
Fulminate [C-]#[N+][O-]59.559.8± 1.7kJ/mol42.01739 ±
0.00086
28269-67-2*0
Sulfuryl dichloride O=[S](=O)(Cl)Cl-348.00-354.16± 0.75kJ/mol134.9702 ±
0.0063
7791-25-5*0
Hydrofluorate ion [FH-]-75.6-75.1± 1.8kJ/mol20.006892 ±
0.000070
37249-79-9*0
Iminomethide [CH-]=N252.6248.9± 1.8kJ/mol28.03387 ±
0.00082
90623-30-6*2
Dihydrooxooxygen cation [OH2][O+]994.8988.1± 1.6kJ/mol34.01413 ±
0.00062
177329-59-8*0
Glyoxal O=CC=O-189.35-194.79± 0.71kJ/mol58.0361 ±
0.0017
107-22-2*2
Ethynediol OC#CO-18.3-22.0± 1.6kJ/mol58.0361 ±
0.0017
16005-17-7*0
Nitrosyl nitrate O=N(O1)ON1=O70.762.3± 1.8kJ/mol92.0111 ±
0.0012
*15969-55-8*0
Dimethylaminylium C[N+]C1040.71025.2± 1.8kJ/mol44.0752 ±
0.0017
49784-85-2*0
Ethylimidogen CC[N]306.1291.5± 2.0kJ/mol43.0678 ±
0.0016
27770-44-1*0
Diisocyanogen [C-]#[N+][N+]#[C-]610.9613.2± 1.7kJ/mol52.0349 ±
0.0016
78800-21-2*0
Hydrogen cyanide cation [CH+]#N1442.521442.05± 0.20kJ/mol27.02483 ±
0.00081
12601-62-6*0
1-Chloro ozone anion ClOO[O-]-109.0-111.5± 2.2kJ/mol83.4514 ±
0.0013
224299-15-4*3
Cyanoamidogen anion [NH-]C#N391.7389.4± 1.8kJ/mol41.03267 ±
0.00082
67131-47-9*12
Diazirenide C1=N[N-]1454.9452.2± 1.5kJ/mol41.03267 ±
0.00082
130614-84-5*0
Nitrilomethylium [C+]#N1783.121786.61± 0.48kJ/mol26.01689 ±
0.00080
12539-57-0*0
Trioxidaniumyl O[O+]O935.3926.3± 1.5kJ/mol50.01353 ±
0.00091
161321-37-5*3
Cyanamide cation NC#[N+]1158.71152.4± 1.5kJ/mol42.03951 ±
0.00082
148556-23-4*0
(E)-Diazene anion [H]/N=[N-]/[H]265.5258.7± 2.0kJ/mol30.02991 ±
0.00020
*59952-06-6*0
1-Chloro ozone anion ClOO[O-]-66.9-68.8± 2.1kJ/mol83.4514 ±
0.0013
224299-15-4*1
3-Diaziridinylidene [C]1NN1521.8515.0± 1.5kJ/mol42.04006 ±
0.00082
85513-79-7*1
Diazomethylene [C]=N=[N]577.8578.5± 2.2kJ/mol40.02418 ±
0.00081
2468-81-7*0
Dichloromethylene Cl[C]Cl313.97315.18± 0.90kJ/mol82.9161 ±
0.0020
1605-72-7*1
Chlorine difluoride [Cl]FF22.523.9± 1.9kJ/mol73.44951 ±
0.00090
91483-78-2*0
(Z)-Diazene cation [H]/N=[N+]\[H]1157.01150.1± 1.3kJ/mol30.02881 ±
0.00020
86631-37-0*0
Chloromethyliumyl [CH+]Cl1207.41207.7± 2.0kJ/mol48.4708 ±
0.0012
89877-51-0*0
Chloromethylene anion [CH-]Cl203.53204.34± 0.94kJ/mol48.4719 ±
0.0012
75466-08-9*0
Bromine dioxide [O]Br[O]165.6156.0± 2.1kJ/mol111.9028 ±
0.0012
21255-83-4*0
Hydrogen peroxide cation O[OH+]931.04924.18± 0.98kJ/mol34.01413 ±
0.00062
12325-10-9*2
Nirous oxide cation N#[N+]=O1329.701326.80± 0.12kJ/mol44.01233 ±
0.00033
12269-46-4*0
Chlorohydroxymethyl [CH](Cl)O-46.1-51.7± 2.0kJ/mol65.4787 ±
0.0012
147139-06-8*2
1,1,1,2-Tetrachloroethane C(Cl)C(Cl)(Cl)Cl-193.5± 1.1kJ/mol167.8481 ±
0.0039
630-20-6*500
Hexachloroethane C(C(Cl)(Cl)Cl)(Cl)(Cl)Cl-214.1± 2.8kJ/mol236.7376 ±
0.0056
67-72-1*500
3-Chloro-3-methyl-3H-diazirine CC1(N=N1)Cl251.4239.6± 2.7kJ/mol90.5114 ±
0.0019
4222-21-3*0
trans-1,2-Dichloroethene C(\Cl)=C/Cl5.620.20± 0.55kJ/mol96.9427 ±
0.0024
156-60-5*0
1-Hydrazinylium-1-yl [N+]N1143.41136.4± 1.4kJ/mol30.02881 ±
0.00020
63986-30-1*0
Dihydrogen fluoride anion F.[H-]-61.9-60.5± 3.2kJ/mol21.01483 ±
0.00014
117339-92-1*2
Fluorosyl fluoride anion FF[O-]-147.1-146.8± 3.0kJ/mol53.99675 ±
0.00030
*86825-57-2*2
Perchloryloxy O=Cl(=O)(=O)[O]248.4240.8± 1.8kJ/mol99.4503 ±
0.0015
12133-63-0*0
Fluorochlorobromomethane C(F)(Cl)Br-218.3-230.9± 4.9kJ/mol147.3737 ±
0.0016
593-98-6*0
Perchlorate O=Cl(=O)(=O)[O-]-263.9-272.8± 2.1kJ/mol99.4508 ±
0.0015
14797-73-0*0
Fluoromethyliumyl [CH+]F1116.61116.9± 1.7kJ/mol32.01649 ±
0.00080
89877-52-1*0
Fluoromethylene anion [CH-]F95.9496.48± 0.61kJ/mol32.01759 ±
0.00080
71267-42-0*0
Polytetrafluoroethylene FC(C(F)(F)[*:1])(F)[*:2]-829.99± 0.54kJ/mol100.0150 ±
0.0016
9002-84-0*591
trans-1,2-Difluoroethene F/C=C/F-299.59-306.03± 0.89kJ/mol64.0341 ±
0.0016
1630-78-0*0
Fluoroethynide [C]#C[F-]133.3137.5± 1.5kJ/mol43.0204 ±
0.0016
85905-56-2*0
Formyl fluoride cation F[CH+]=O816.6813.3± 1.3kJ/mol48.01589 ±
0.00086
99766-68-4*0
Formyl fluoride O=[C-]F-405.1-403.7± 1.6kJ/mol47.00905 ±
0.00085
62227-71-8*0
Fluoroisoformyl cation [C+]OF1347.41349.5± 1.9kJ/mol47.00795 ±
0.00085
*1871-25-6*0
Diazenide N#N.[H-]347.5344.6± 1.6kJ/mol29.02197 ±
0.00016
71004-29-0*1
Ethynylene cation [C]=[C+]1964.951971.53± 0.40kJ/mol24.0209 ±
0.0016
12595-79-8*0
o-Benzyne cation C1=CC#CC=[CH+]11392.81384.7± 1.7kJ/mol76.0954 ±
0.0048
70220-84-7*0
Aminyliumyl [NH+]1659.031659.96± 0.23kJ/mol15.014131 ±
0.000099
19067-62-0*0
Trioxidanylium OO[O+]1085.21078.9± 1.4kJ/mol49.00559 ±
0.00090
74241-49-9*2
m-Benzyne cation c1[c]ccc[c+]11364.71356.2± 1.8kJ/mol76.0954 ±
0.0048
121058-08-0*0
Hydroxylamine NO-15.4-25.9± 1.4kJ/mol33.02996 ±
0.00037
7803-49-8*2
p-Benzyne c1c[c]cc[c]1603.5594.1± 1.2kJ/mol76.0960 ±
0.0048
3355-34-8*1
Chlorine difluoride anion [Cl-](F)F-504.9-505.8± 1.9kJ/mol73.45005 ±
0.00090
16892-05-0*0
Hydroxylamine cation N[OH+]857.7847.9± 1.6kJ/mol33.02941 ±
0.00037
62675-55-2*0
1,3-Cycloheptadiene C1CC=CC=CC1123.6594.54± 0.78kJ/mol94.1543 ±
0.0056
4054-38-0*1
Tropylium [CH+]1C=CC=CC=C1898.9879.2± 1.1kJ/mol91.1299 ±
0.0056
26811-28-9*0
Deuterium atom cation [2H+]1532.2101534.123± 0.000kJ/mol2.01355319809 ±
0.00000000040
14464-47-2*0
Iodine [I]198.109197.709± 0.0021kJ/mol126.904470 ±
0.000030
14362-44-8*2
Hexafluorobenzene Fc1c(F)c(F)c(F)c(F)c1F-997.18-983.39± 0.87kJ/mol186.0546 ±
0.0048
392-56-3*500
cis-1,2-Dibromoethene C(\Br)=C\Br121.3100.7± 2.0kJ/mol185.8453 ±
0.0026
590-11-4*0
1,1-Dibromoethane CC(Br)Br-4.8-31.9± 1.8kJ/mol187.8612 ±
0.0026
557-91-5*0
Nitrogen hydride oxide [NH3+][O-]71.260.0± 1.5kJ/mol33.02996 ±
0.00037
38544-48-8*0
Carbamoyl N=[C]O74.167.7± 2.7kJ/mol44.03272 ±
0.00087
*2858-51-7*1
Formaldiminoxy [CH2]N=O160.9153.9± 1.5kJ/mol44.03272 ±
0.00087
2683-96-7*0
Formaldoxime C=NO50.639.8± 1.8kJ/mol45.04066 ±
0.00088
75-17-2*2
Oxaziridine C1NO1115.5103.7± 2.1kJ/mol45.04066 ±
0.00088
6827-26-5*0
Aminooxy cation N[O+]945.96938.83± 0.76kJ/mol32.02147 ±
0.00034
*51375-41-8*0
Cyanoethynyl [C]#CC#N715.7722.1± 1.1kJ/mol50.0388 ±
0.0024
62435-43-2*0
Chlorite O=[Cl-]=O-105.51-107.69± 0.37kJ/mol67.4520 ±
0.0011
14998-27-7*0
2-Methylene-2H-azirine C1=NC1=C404.2396.8± 1.7kJ/mol53.0627 ±
0.0024
110027-86-6*0
Methyleneoxonium cation [CH2+].O827.7818.3± 1.7kJ/mol32.04131 ±
0.00090
*177788-17-9*0
Trioxidanyl OO[O]26.3623.08± 0.19kJ/mol49.00614 ±
0.00090
12500-78-6*2
Azidonitrene [N]=NN=[N]660.8657.6± 1.6kJ/mol56.02696 ±
0.00028
147363-92-6*1
2-Cyanovinylium [CH+]=CC#N1517.41515.2± 1.8kJ/mol52.0542 ±
0.0024
85398-67-0*22
2-Cyanovinyl anion [CH-]=CC#N266.1263.2± 1.8kJ/mol52.0553 ±
0.0024
*85398-67-0*1
2-Isocyanovinyl [CH]=C[N+]#[C-]544.6542.6± 1.7kJ/mol52.0547 ±
0.0024
225798-14-1*2
Cyanomethylene [CH]C#N529.3530.4± 1.3kJ/mol39.0361 ±
0.0016
2612-62-6*2
Isocyanomethylene [CH][N+]#[C-]586.1587.2± 1.7kJ/mol39.0361 ±
0.0016
78694-65-2*2
3-Methylcycloprop-3-en-2-ylium-1-yl CC1=[C][CH+]11283.91277.4± 1.5kJ/mol52.0740 ±
0.0032
*185841-59-2*0
Formaldehyde C=O-105.389-109.229± 0.095kJ/mol30.02598 ±
0.00087
50-00-0*2
Fluorodioxidenium FO[O+]1221.91219.5± 2.0kJ/mol50.99665 ±
0.00060
139584-95-5*0
Vinylvinylidene cation C=CC=[C+]1429.81424.1± 2.0kJ/mol52.0740 ±
0.0032
161054-20-2*1
1,2-Butadien-1-ylidene CC=C=[C]511.7506.2± 2.0kJ/mol52.0746 ±
0.0032
119908-55-3*2
Hydroxyaminylium [NH+]O1048.51041.3± 2.6kJ/mol32.02147 ±
0.00034
66097-71-0*2
1-Buten-3-ynylium C#CC=[CH+]1482.31479.8± 1.4kJ/mol51.0661 ±
0.0032
84654-85-3*1
Hydroxyamidogen anion [NH-]O90.784.8± 2.8kJ/mol32.02257 ±
0.00034
*66097-71-0*0
3-Buten-1-ynylium C=CC#[C+]1572.61570.2± 1.7kJ/mol51.0661 ±
0.0032
103928-84-3*1
3-Methylene-1-cyclopropen-1-ylium C=C1C=[C+]11398.71395.4± 1.7kJ/mol51.0661 ±
0.0032
117469-28-0*2
Butyraldehyde CCCC=O-185.32-205.69± 0.85kJ/mol72.1057 ±
0.0033
123-72-8*0
Chloroallene C=C=CCl181.8175.1± 1.6kJ/mol74.5086 ±
0.0026
3223-70-9*0
1-Chloropropyne CC#CCl191.9187.8± 1.6kJ/mol74.5086 ±
0.0026
7747-84-4*0
Methylcyclopentane CC1CCCC1-68.57-106.09± 0.36kJ/mol84.1595 ±
0.0049
96-37-7*0
Dioxosilane O=[Si]=O-906.74-911.72± 0.63kJ/mol60.08430 ±
0.00067
7631-86-9*500
Dioxosilane O=[Si]=O-826.29-902.22± 0.65kJ/mol60.08430 ±
0.00067
7631-86-9*520
Silicon carbide cation [Si][C+]1602.01606.7± 2.6kJ/mol40.09565 ±
0.00085
78393-58-5*0
Hydroxymethylene cation [CH+]O986.3982.7± 1.6kJ/mol30.02543 ±
0.00087
135395-06-1*2
Fluorodioxidanide [F-]O[O]-256.8-256.1± 1.9kJ/mol50.99775 ±
0.00060
23553-17-5*0
Silyliumyl [SiH2+]1155.451153.83± 0.96kJ/mol30.10083 ±
0.00033
28149-31-7*0
Bifluoride F[H][F-]-705.22-709.07± 0.35kJ/mol39.005295 ±
0.000070
18130-74-0*0
Hydrogen fluoride F-321.86± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*902
Disilanyl anion [SiH3][SiH2-]63.451.1± 2.2kJ/mol61.21125 ±
0.00069
53199-49-8*0
Disilene [SiH2]=[SiH2]393.3384.8± 2.3kJ/mol60.20276 ±
0.00066
15435-77-5*1
Ammonium hydroxide [NH4+].[OH-]-360.45-361.53± 0.57kJ/mol35.04584 ±
0.00047
1336-21-6*500
Di-mu-hydrodihydrodisilicon [SiH+]([H-]1)[H-][SiH+]1385.4375.0± 2.7kJ/mol60.20276 ±
0.00066
129970-82-7*22
Hydroxymethylene cation [CH+]O1482.11479.4± 1.9kJ/mol30.02543 ±
0.00087
135395-06-1*3
Iodosilane [SiH3]I6.9-2.8± 2.6kJ/mol158.01379 ±
0.00037
13598-42-0*0
Ammonium hydroxide [NH4+].[OH-]-362.831± 0.061kJ/mol35.04584 ±
0.00047
1336-21-6*800
Nitric acid O[N+](=O)[O-]-178.97-173.25± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*500
Trimethylsilanide C[Si-](C)C-42.0-65.5± 2.2kJ/mol73.1896 ±
0.0025
54711-92-1*0
Ethane cation C[CH3+]1043.121029.11± 0.59kJ/mol30.0685 ±
0.0017
34488-65-8*0
Hydroxymethylene anion [CH-]O160.2157.5± 1.7kJ/mol30.02653 ±
0.00087
207914-87-2*2
Hydroxymethylene anion [CH-]O334.0334.8± 2.1kJ/mol30.02653 ±
0.00087
207914-87-2*3
(3E)-1,3-Hexadien-5-yne C=C/C=C/C#C358.7346.5± 1.9kJ/mol78.1118 ±
0.0048
5222-77-5*0
Divinylacetylene C=CC#CC=C361.8350.4± 2.0kJ/mol78.1118 ±
0.0048
821-08-9*2
Dioxofluorine [O]F[O]523.9523.2± 1.0kJ/mol50.99720 ±
0.00060
175861-93-5*0
1,2,4-Cyclohexatriene C1C=CC=C=C1419.4403.6± 2.0kJ/mol78.1118 ±
0.0048
124869-33-6*0
Pentatetraene C=C=C=C=C452.7448.7± 1.6kJ/mol64.0853 ±
0.0040
21986-03-8*0
Ethylammoniumyl CC[NH2+]827.5807.4± 1.6kJ/mol45.0832 ±
0.0017
41857-50-5*0
Dioxaziridinyl cation [N+]1OO11365.91363.3± 1.7kJ/mol46.00499 ±
0.00060
*66252-29-7*0
2-Methyl-2-propanamine CC(C)(C)N-86.99-120.64± 0.55kJ/mol73.1369 ±
0.0033
75-64-9*0
Aquacarbon [C].O467.6465.5± 1.9kJ/mol30.02598 ±
0.00087
81434-73-3*102
Dioxaziridinyl anion [N-]1OO1295.9293.4± 1.7kJ/mol46.00609 ±
0.00060
66252-31-1*0
Helium [He]1912.3021912.302± 0.000kJ/mol4.0026020 ±
0.0000020
7440-59-7*1
Helium cation [He+]2372.3222372.322± 0.000kJ/mol4.0020534 ±
0.0000020
14234-48-1*0
Aquacarbon cation [C+].O1196.11193.0± 1.7kJ/mol30.02543 ±
0.00087
*81434-73-3*0
Neonium [Ne+2][H-]1324.851323.04± 0.87kJ/mol21.18709 ±
0.00060
12200-65-6*0
Kryptonium [Kr+2][H-]1106.291104.50± 0.68kJ/mol84.8074 ±
0.1000
37276-90-7*0
Nitrous acid N(=O)O-72.977-78.634± 0.079kJ/mol47.01348 ±
0.00061
7782-77-6*0
Monosulfur cation [S+]1276.481278.26± 0.14kJ/mol32.0655 ±
0.0060
14701-12-3*0
Oxosulfur [S+]=O999.33999.93± 0.13kJ/mol48.0649 ±
0.0060
767269-11-4*0
Peroxyimidogen cation [N]O[O+]1409.71406.8± 1.9kJ/mol46.00499 ±
0.00060
*60488-32-6*0
Hydrosulfide [SH-]-80.48-80.48± 0.19kJ/mol33.0745 ±
0.0060
15035-72-0*0
Fluorine atom cation [F+]1758.3021760.600± 0.017kJ/mol18.99785462 ±
0.00000050
14701-13-4*0
Sulfuric acid OS(=O)(=O)O-887.11± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*825
Sulfuric acid OS(=O)(=O)O-899.14± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*846
Peroxyimidogen anion [N]O[O-]165.0162.7± 1.7kJ/mol46.00609 ±
0.00060
60488-31-5*0
Hydrogen sulfate OS(=O)(=O)[O-]-942.4-952.9± 1.9kJ/mol97.0721 ±
0.0061
14996-02-2*0
Hydrogen sulfite O=S(O)[O-]-684.1-691.4± 1.9kJ/mol81.0727 ±
0.0061
15181-46-1*0
Platinum [Pt]563.4564.3± 1.7kJ/mol195.0780 ±
0.0020
7440-06-4*0
Ethylene anion C=[CH2-]232.0224.4± 2.0kJ/mol28.0537 ±
0.0016
34527-91-8*1
Hydrogen chloride Cl-166.562± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*839
Cyclopentene C1CC=CC17.39± 0.49kJ/mol68.1170 ±
0.0040
142-29-0*590
Hydrogen difluoride cation [F+]F[H]1174.31171.3± 1.5kJ/mol39.004198 ±
0.000070
*126950-54-7*2
Cyclohexene C1CCC=CC127.21-4.26± 0.32kJ/mol82.1436 ±
0.0049
110-83-8*0
Cyclohexene C1CCC=CC1-21.94-37.81± 0.30kJ/mol82.1436 ±
0.0049
110-83-8*500
Acetylene anion C#[CH-]380.1380.3± 1.9kJ/mol26.0378 ±
0.0016
50443-89-5*2
1-Hydroxyethanide C[CH-]O-20.3-33.7± 2.2kJ/mol45.0610 ±
0.0017
88032-18-2*0
Ethylene anion C=[CH2-]231.6225.5± 2.0kJ/mol28.0537 ±
0.0016
34527-91-8*2
(Methylmethylene)oxonium CO[CH2+]685.8671.6± 2.2kJ/mol45.0600 ±
0.0017
23653-97-6*0
Methoxymethyl anion CO[CH2-]23.310.3± 2.3kJ/mol45.0610 ±
0.0017
61192-30-1*0
Acetaldehyde anion CC=[O-]-62.2-72.4± 2.2kJ/mol44.0531 ±
0.0017
60427-04-5*0
Hydrogen chloride Cl-166.603± 0.024kJ/mol36.46064 ±
0.00090
7647-01-0*954
Methylammoniumyl C[NH2+]865.90851.96± 0.25kJ/mol31.05659 ±
0.00088
34516-31-9*0
Methylamine anion C[NH2-]84.269.3± 2.8kJ/mol31.05769 ±
0.00088
81096-79-9*0
Triiodine cation I[I+]I946.1941.0± 4.1kJ/mol380.712861 ±
0.000090
12596-32-6*0
Ketene cation C=C=[O+]882.22879.05± 0.11kJ/mol42.0361 ±
0.0016
64999-16-2*0
Ketene anion C=C=[O-]-16.0-19.1± 2.2kJ/mol42.0372 ±
0.0016
56391-79-8*0
Oxoethenylium [CH+]=C=O1139.71142.4± 2.1kJ/mol41.0282 ±
0.0016
92056-63-8*0
Hydrogen chloride Cl-166.634± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*840
Aminomethyl anion [CH2-]N209.5199.2± 2.1kJ/mol30.04975 ±
0.00085
74215-21-7*0
Methylaminilium C[NH+]1135.21125.3± 2.1kJ/mol30.04865 ±
0.00085
49784-84-1*0
Chlorine difluoride cation [Cl+]FF1346.31344.9± 2.1kJ/mol73.44896 ±
0.00090
86825-59-4*0
Peroxychloric acid O=Cl(=O)OO76.668.4± 2.5kJ/mol100.4582 ±
0.0015
177778-91-5*0
Methyliumylamino C=[NH+]1056.01049.2± 1.7kJ/mol29.04071 ±
0.00083
65130-65-6*0
Hydrogen carbonate O[C](=O)[O-]-689.860± 0.039kJ/mol61.0174 ±
0.0012
71-52-3*800
Azanidylmethyl C=[NH-]224.4217.1± 2.2kJ/mol29.04181 ±
0.00083
127593-73-1*0
Oxiranylidene C1[C]O1456.1452.1± 2.2kJ/mol42.0367 ±
0.0016
50983-85-2*1
Oxiranylidene cation C1[C+]O11165.41161.9± 2.5kJ/mol42.0361 ±
0.0016
*50983-85-2*0
Oxiranylidene anion C1[C-]O1236.3232.4± 2.3kJ/mol42.0372 ±
0.0016
*50983-86-3*0
Tribromine BrBrBr156.0134.3± 3.2kJ/mol239.7120 ±
0.0030
11094-39-6*0
Aminomethyliumyl [CH][NH2+]1039.51031.8± 2.3kJ/mol29.04071 ±
0.00083
89302-94-3*0
Methyl hydroperoxide cation C[O+]O833.7819.7± 2.0kJ/mol48.0407 ±
0.0010
112465-88-0*0
Dihydroxymethylium [CH+](O)O421.3410.0± 3.1kJ/mol47.0328 ±
0.0010
180071-68-5*1
Hydroxymethoxy cation [O+]CO924.9914.6± 3.2kJ/mol47.0328 ±
0.0010
180071-69-6*13
Methoxyoxoniumylidene CO[O+]1012.321003.48± 0.67kJ/mol47.0328 ±
0.0010
86475-50-5*0
Hydrogen fluoride F-321.94± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*821
Ethylperoxy CCO[O]-5.47-21.57± 0.88kJ/mol61.0599 ±
0.0017
3170-61-4*1
Aminomethylene anion [CH][NH2-]353.0346.1± 2.3kJ/mol29.04181 ±
0.00083
207914-86-1*0
Formic acid C(=O)O-431.50-424.66± 0.20kJ/mol46.0254 ±
0.0010
64-18-6*500
Tribromide Br[Br-]Br-287.4-308.5± 1.9kJ/mol239.7125 ±
0.0030
14522-80-6*0
Dioxirane anion C1[O-]O1-173.0-179.8± 3.4kJ/mol46.0259 ±
0.0010
*157-26-6*0
Dioxymethyl anion C=[O][O-]54.849.7± 1.4kJ/mol46.0259 ±
0.0010
93207-29-5*0
iso-Proplylide C[CH-]C128.8110.4± 1.5kJ/mol43.0882 ±
0.0024
25012-80-0*0
H-CO2 vdW complex [H].O=C=O-178.3-177.5± 2.1kJ/mol45.0174 ±
0.0010
*2564-83-2*100
Methylimidogen anion C[N-]321.0313.4± 1.3kJ/mol29.04181 ±
0.00083
82539-34-2*0
2-Propanol CC(O)C-305.39-318.20± 0.27kJ/mol60.0950 ±
0.0025
67-63-0*500
1-Propanol CCCO-290.38-302.56± 0.23kJ/mol60.0950 ±
0.0025
71-23-8*500
Methyleneaminylium C=[N+]1456.71453.0± 2.1kJ/mol28.03277 ±
0.00082
53518-13-1*1
Oxazirinyl cation [C+]1=NO11565.51566.2± 2.3kJ/mol42.01629 ±
0.00086
*228850-18-8*0
Oxazirinyl anion [C-]1=NO1448.2449.0± 2.4kJ/mol42.01739 ±
0.00086
28269-68-3*0
Acetic acid CC(=O)O-484.02-483.60± 0.18kJ/mol60.0520 ±
0.0017
64-19-7*500
Acetic acid CC(=O)O-484.61± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*825
Acetic acid CC(=O)O-484.82± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*840
Chlorine difluoride anion [Cl-]FF-319.0-319.0± 2.2kJ/mol73.45005 ±
0.00090
91419-41-9*0
Nitric acid cation O[N+](=O)[O]1029.191020.12± 0.69kJ/mol63.01233 ±
0.00091
272109-63-4*0
Ethyl formate C(=O)OCC-426.0± 1.1kJ/mol74.0785 ±
0.0025
109-94-4*500
Propionic acid CCC(=O)O-415.5-433.1± 1.3kJ/mol74.0785 ±
0.0025
79-09-4*2
Nitrosyl nitrate O=NO[N+](=O)[O-]48.340.4± 1.8kJ/mol92.0111 ±
0.0012
15969-55-8*1
Carbon tetracation [C+4]14993.60514998.752± 0.050kJ/mol12.00851 ±
0.00080
16092-62-9*0
Aminomethyliumylidene [C+]N1168.31165.1± 2.2kJ/mol28.03277 ±
0.00082
86784-42-1*0
Chloroniumyl ion [ClH+]1137.7981137.732± 0.0051kJ/mol36.46009 ±
0.00090
12258-94-5*0
Trioxidanylium OO[O+]1070.41064.2± 1.4kJ/mol49.00559 ±
0.00090
74241-49-9*0
(1Z)-Ethanimine CC=N58.844.2± 1.4kJ/mol43.0678 ±
0.0016
56003-82-8*0
(E)-2-Iminoethylium [CH2+]C=N1108.21097.6± 2.9kJ/mol42.0594 ±
0.0016
91127-33-2*22
2-Iminoethyl anion [CH2-]C=N104.493.5± 2.1kJ/mol42.0604 ±
0.0016
73843-87-5*1
Fluoronium [H][F+][H]774.04771.10± 0.91kJ/mol21.01373 ±
0.00014
12206-67-6*0
Hydrogen bromide Br-120.01± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*834
Diazenium N[NH+]968.63957.37± 0.73kJ/mol31.03675 ±
0.00025
37369-93-0*0
1,3-Propanediyl [CH2]C[CH2]337.6322.9± 2.2kJ/mol42.0797 ±
0.0024
32458-33-6*21
Cyanogen cation N#C[C+]#N1598.231600.44± 0.42kJ/mol52.0343 ±
0.0016
37354-81-7*0
Isocyanogen [C-]#[N+]C#N412.1414.4± 1.3kJ/mol52.0349 ±
0.0016
83951-85-3*0
Diazoethenylidene [N-]=[N+]=C=[C]658.6661.2± 1.8kJ/mol52.0349 ±
0.0016
130760-10-0*0
Isocyanomethyliumylidene [C][N+]#[C]1615.71621.2± 1.9kJ/mol38.0276 ±
0.0016
78271-45-1*0
Isocyanomethylidyne anion [C][N]#[C-]479.2482.9± 2.0kJ/mol38.0287 ±
0.0016
*53590-27-5*0
Cyanomethyliumylidene [C+]C#N1719.81725.3± 2.1kJ/mol38.0276 ±
0.0016
76619-90-4*0
Cyanomethylidyne anion [C-]C#N410.0413.7± 2.2kJ/mol38.0287 ±
0.0016
12373-35-2*0
2,3-didehydro-1H-azirin-1-yl [N]1C#C1720.3724.3± 2.1kJ/mol38.0281 ±
0.0016
439586-06-8*0
Fluorosyl fluoride cation FF[O+]1413.11413.4± 3.5kJ/mol53.99566 ±
0.00030
*86825-50-5*1
Diazirinyl C1=N[N]1557.1553.9± 2.0kJ/mol41.03212 ±
0.00082
69967-71-1*2
Iminomethylimidogen anion [N]C=[N-]401.9398.6± 2.3kJ/mol41.03267 ±
0.00082
150296-30-3*2
1H-Diazirin-3-ylium N1N=[C+]11527.21523.7± 2.0kJ/mol41.03157 ±
0.00082
735234-64-7*2
1H-Diazirin-3-yl N1N=[C]1917.7914.3± 1.9kJ/mol41.03212 ±
0.00082
324529-57-9*2
1H-diazirin-3-ide N1N=[C-]1379.8376.6± 2.0kJ/mol41.03267 ±
0.00082
*735234-64-7*2
Methanediimine cation N=[C+]=N1137.81133.1± 2.2kJ/mol42.03951 ±
0.00082
1189338-16-6*2
Diazomethane cation C=[N+]=[N]1141.921135.65± 0.87kJ/mol42.03951 ±
0.00082
58852-13-4*0
3H-Diazirine cation [CH2+]1N=N11327.51322.0± 1.7kJ/mol42.03951 ±
0.00082
796039-16-2*0
Carbon [C]711.389716.874± 0.040kJ/mol12.01070 ±
0.00080
7440-44-0*1
1H-Diazirene cation [CH+]1=NN11333.31326.3± 1.9kJ/mol42.03951 ±
0.00082
*157-23-3*0
Isocyanamide cation N[N+]#[C]1321.41316.1± 1.9kJ/mol42.03951 ±
0.00082
160951-17-7*0
3-Diaziridinylidene cation [C+]1NN11479.71473.7± 2.4kJ/mol42.03951 ±
0.00082
*85513-79-7*1
Carbon [C]833.320838.467± 0.040kJ/mol12.01070 ±
0.00080
7440-44-0*2
Water O-285.799± 0.022kJ/mol18.01528 ±
0.00033
7732-18-5*589
Trichloromethylium Cl[C+](Cl)Cl856.09854.57± 0.93kJ/mol118.3683 ±
0.0028
27130-34-3*0
Dinitrogen pentoxide O=[N+]([O-])O[N+](=O)[O-]-41.14± 0.38kJ/mol108.0105 ±
0.0015
10102-03-1*500
Dichloromethyliumyl Cl[C+]Cl1121.91122.9± 1.8kJ/mol82.9156 ±
0.0020
55945-51-2*0
Bromine atom [Br]117.925111.863± 0.055kJ/mol79.90400 ±
0.00100
10097-32-2*1
2-Chloro ozone anion ClO([O])[O-]-103.6-105.9± 3.2kJ/mol83.4514 ±
0.0013
*141801-67-4*0
1,1,1-Trichloroethane CC(Cl)(Cl)Cl-183.87-177.23± 0.52kJ/mol133.4033 ±
0.0031
71-55-6*500
Isocyanomethylium [CH2+][N+]#[C-]1272.61270.5± 2.2kJ/mol40.0435 ±
0.0016
78269-43-9*0
Vinyl chloride C=CCl-3.620.94± 0.91kJ/mol62.4979 ±
0.0018
75-01-4*500
Chloromethane cation C[Cl+]1014.571007.80± 0.18kJ/mol50.4867 ±
0.0012
12538-71-5*0
Hypofluorous acid cation O[F+]1142.021139.01± 0.87kJ/mol36.00519 ±
0.00031
90243-22-4*0
Hydrogen chloride Cl-165.554± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*825
Ammonium radical [NH4]190.01179.42± 0.43kJ/mol18.03850 ±
0.00029
92075-50-8*0
Bromofluoromethane C(F)Br-197.4-211.9± 4.9kJ/mol112.9290 ±
0.0013
373-52-4*0
Fluorodibromomethane C(F)(Br)Br-159.7-179.3± 4.9kJ/mol191.8250 ±
0.0022
1868-53-7*0
Difluorochlorobromomethane FC(F)(Cl)Br-428.9-439.9± 4.9kJ/mol165.3642 ±
0.0016
353-59-3*0
Dichlorofluorobromomethane FC(Cl)(Cl)Br-228.3-238.3± 4.9kJ/mol181.8185 ±
0.0022
353-58-2*0
Dibromofluorochloromethane FC(Cl)(Br)Br-169.9-186.8± 4.9kJ/mol226.2698 ±
0.0023
353-55-9*0
Krypton cation [Kr+]1350.7561350.756± 0.000kJ/mol83.7995 ±
0.1000
16915-28-9*0
Nirous oxide anion [N-]=[N]=O99.396.7± 1.9kJ/mol44.01343 ±
0.00033
12274-12-3*0
Dibromine BrBr-2.25± 0.18kJ/mol159.8080 ±
0.0020
7726-95-6*800
Hydrogen fluoride F-321.33± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*809
1,2-Difluoroacetylene cation F[C+]#CF1081.71084.5± 1.3kJ/mol62.0177 ±
0.0016
268566-70-7*0
Difluorophosgene cation [O+]=C(F)F653.44650.68± 0.51kJ/mol66.00636 ±
0.00085
73256-56-1*0
Ozone cation O=[O+]=O1352.8801350.541± 0.041kJ/mol47.99765 ±
0.00090
12596-82-6*0
1-Propenylidene CC=[C]630.4622.9± 1.7kJ/mol40.0639 ±
0.0024
70277-78-0*2
Chloro(chlorooxy)methylene Cl[C]OCl73.573.7± 3.6kJ/mol98.9155 ±
0.0020
479587-31-0*2
Chlorohydroxymethylene Cl[C]OH14.011.1± 2.5kJ/mol64.4707 ±
0.0012
147723-60-2*1
(Chlorooxy)methylene H[C]OCl119.2117.9± 2.7kJ/mol64.4707 ±
0.0012
331419-80-8*2
Dibromophosgene O=C(Br)Br-143.99± 0.95kJ/mol187.8181 ±
0.0022
593-95-3*590
2-Chloroethanol ClCCO-314.91± 0.53kJ/mol80.5132 ±
0.0019
107-07-3*590
2-Bromoethanol BrCCO-274.39± 0.46kJ/mol124.9645 ±
0.0019
540-51-2*590
Hypofluorous acid anion O[F-]155.3154.7± 2.6kJ/mol36.00629 ±
0.00031
36505-07-4*2
Phenylium c1cccc[c+]11149.131136.35± 0.85kJ/mol77.1034 ±
0.0048
17333-73-2*2
m-Benzyne anion c1[c]ccc[c-]1444.1435.2± 1.3kJ/mol76.0965 ±
0.0048
249589-31-9*0
p-Benzyne anion c1c[c]cc[c-]1465.0455.4± 1.3kJ/mol76.0965 ±
0.0048
219298-17-6*0
Fluorosyl fluoride anion FF[O-]-56.6-55.7± 2.4kJ/mol53.99675 ±
0.00030
*86825-57-2*1
Cycloheptane C1CCCCCC1-126.57-156.46± 0.50kJ/mol98.1861 ±
0.0057
291-64-5*500
Imidogen anion [NH-]322.62322.67± 0.16kJ/mol15.015229 ±
0.000099
23841-33-0*0
Ethylbenzene c1ccc(cc1)CC-12.28± 0.52kJ/mol106.1650 ±
0.0064
100-41-4*500
Phenylacetylene c1ccc(cc1)C#C273.87± 0.71kJ/mol102.1332 ±
0.0064
536-74-3*500
Indane c1ccc2c(c1)CCC225.5711.10± 0.77kJ/mol118.1757 ±
0.0072
496-11-7*500
Dioxygen O=O-0.000-0.000± 0.000kJ/mol31.99880 ±
0.00060
7782-44-7*1
Indene c1ccc2c(c1)CC=C2117.33110.04± 0.86kJ/mol116.1598 ±
0.0072
95-13-6*500
Chlorosyl chloride cation ClCl[O+]1132.61130.8± 2.0kJ/mol86.9043 ±
0.0018
*86825-56-1*0
Phenyloxoniumylidene c1ccc(cc1)[O+]901.5887.1± 2.2kJ/mol93.1028 ±
0.0048
41071-17-4*0
Anisole c1ccccc1OC-47.71-72.55± 0.79kJ/mol108.1378 ±
0.0056
100-66-3*0
Hydrogen fluoride F-321.98± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*823
Imidogen [NH]358.74358.79± 0.16kJ/mol15.014680 ±
0.000099
13774-92-0*1
Chlorosyl chloride anion ClCl[O-]-185.4-184.7± 2.3kJ/mol86.9053 ±
0.0018
*86825-55-0*0
Ammonium chloride [NH4+].[Cl-]-311.554-314.716± 0.062kJ/mol53.49120 ±
0.00095
12125-02-9*510
Fluorobenzene c1ccc(cc1)F-148.74-146.33± 0.39kJ/mol96.1023 ±
0.0048
462-06-6*500
1,2-Propadien-1-yl-3-ylidene anion [C]=C=[C-]621.7629.1± 1.3kJ/mol36.0326 ±
0.0024
109292-47-9*0
Cyanogen bromide anion N#C[Br-]57.954.3± 3.8kJ/mol105.9220 ±
0.0013
54092-05-6*0
2-Cyclopropyn-1-ylidene C1=C=C=1993.11000.0± 2.6kJ/mol36.0321 ±
0.0024
102508-15-6*2
Bromobenzene c1ccc(cc1)Br60.2± 1.3kJ/mol157.0079 ±
0.0049
108-86-1*500
Ammonium bromide [NH4+].[Br-]-253.27-269.85± 0.14kJ/mol97.9425 ±
0.0010
12124-97-9*510
2-Cyclopropyn-1-yl anion [C-]1=C=C=1664.5671.8± 1.6kJ/mol36.0326 ±
0.0024
500574-36-7*0
Pyridinium c1cc[nH+]cc1761.7740.8± 1.3kJ/mol80.1073 ±
0.0040
16969-45-2*0
Acetone CC(=O)C-244.59-247.71± 0.26kJ/mol58.0791 ±
0.0025
67-64-1*500
2-Hydroxy-2-propenyl C=C(O)[CH2]4.0-9.5± 1.2kJ/mol57.0712 ±
0.0024
742072-56-6*0
Propionaldehyde CCC=O-218.03-216.57± 0.27kJ/mol58.0791 ±
0.0025
123-38-6*500
Hydrogen chloride Cl-165.944± 0.024kJ/mol36.46064 ±
0.00090
7647-01-0*907
Ethyl nitrite CCON=O-81.26-98.66± 0.87kJ/mol75.0666 ±
0.0017
109-95-5*0
trans-1,2-Dibromoethene C(\Br)=C/Br121.6101.8± 2.0kJ/mol185.8453 ±
0.0026
590-12-5*0
1,1-Dibromoethene C=C(Br)Br125.5105.1± 2.1kJ/mol185.8453 ±
0.0026
593-92-0*0
Norbornadiene C1C2C=CC1C=C2268.04242.60± 0.94kJ/mol92.1384 ±
0.0056
121-46-0*0
Monoammonium succinate OC(=O)CCC(=O)[O-].[NH4+]-1067.83± 0.72kJ/mol135.1186 ±
0.0035
38457-08-8*510
Diammonium succinate [O-]C(=O)CCC(=O)[O-].[NH4+].[NH4+]-1182.34± 0.47kJ/mol152.1492 ±
0.0035
2226-88-2*510
1-Ethylium-1-yl [CH+]C1182.01174.7± 3.2kJ/mol28.0526 ±
0.0016
85944-79-2*0
Acrolein C=CC=O-46.4-56.7± 1.3kJ/mol56.0633 ±
0.0024
107-02-8*2
2H-Oxete O1C=CC165.753.3± 1.2kJ/mol56.0633 ±
0.0024
287-25-2*0
1-Formylethenylium C=[C+]C=O1023.51018.0± 2.3kJ/mol55.0548 ±
0.0024
101705-89-9*2
Chloryl chloride ClCl([O])[O]126.1122.1± 1.7kJ/mol102.9042 ±
0.0019
117489-73-3*0
3-Oxo-1-propenylium [CH+]=CC=O1005.11002.8± 2.4kJ/mol55.0548 ±
0.0024
101705-90-2*2
Methanol anion [CH3-]O-89.1-99.8± 2.8kJ/mol32.04241 ±
0.00090
68474-04-4*0
Ethenedione cation O=C=C=[O+]909.5912.6± 2.0kJ/mol56.0197 ±
0.0017
12541-99-0*0
2-Propenylidyne anion C=C[C-]464.6460.9± 1.7kJ/mol39.0565 ±
0.0024
120126-89-8*0
Ethylidene anion [CH-]C325.7318.4± 1.8kJ/mol28.0537 ±
0.0016
35829-99-3*0
Hydrogen bromide Br-120.15± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*954
Dioxodiazoxane O=NON=O109.3105.3± 1.8kJ/mol76.01168 ±
0.00091
122413-35-8*2
3-Methanetetrayl-1,2-cyclopropanediylidene [C]=C1C#C11154.71164.2± 1.9kJ/mol48.0428 ±
0.0032
78015-08-4*0
2-Propen-3-yliumylidene [CH]C=[CH+]1494.51491.5± 1.7kJ/mol39.0554 ±
0.0024
84654-86-4*0
2-Propenylidene anion [CH]C=[CH-]535.9532.6± 1.7kJ/mol39.0565 ±
0.0024
98705-30-7*0
Aminooxy anion N[O-]47.340.4± 1.7kJ/mol32.02257 ±
0.00034
51375-41-8*0
Triazirinylium ion [N]1N=[N+]11608.91606.0± 1.6kJ/mol42.01967 ±
0.00021
92220-05-8*0
Triazirine N1N=N1464.1457.7± 2.6kJ/mol43.02816 ±
0.00022
157-29-9*0
3-Imino-2-propen-1-ylidene [CH]C=C=N532.9527.9± 1.8kJ/mol53.0627 ±
0.0024
916765-05-4*12
3-Imino-2-propen-1-ylidene [CH]C=C=N572.5567.3± 2.0kJ/mol53.0627 ±
0.0024
916765-05-4*22
2-(Methylidyneamino)ethenyl [CH]=CN=[CH]604.5599.6± 1.9kJ/mol53.0627 ±
0.0024
123416-74-0*12
2-(Methylidyneamino)ethenyl [CH]=CN=[CH]637.1632.3± 2.0kJ/mol53.0627 ±
0.0024
123416-74-0*22
1-Cyanovinylium C=[C+]C#N1318.31317.0± 2.2kJ/mol52.0542 ±
0.0024
85399-09-3*0
2-Cyclopropyn-1-ylidenemethyl anion [C-]=C1C#C1800.8809.7± 1.7kJ/mol48.0433 ±
0.0032
289679-90-9*0
Trifluorine cation FF[F+]1529.51527.4± 2.3kJ/mol56.9946610 ±
0.0000015
64710-22-1*0
Tetraoxygen O=O.O=O145.8142.2± 3.8kJ/mol63.9976 ±
0.0012
12596-83-7*22
Formaldehyde anion C=[O-]-26.7-28.3± 2.0kJ/mol30.02653 ±
0.00087
27837-46-3*0
Butatriene cation C=C=[C+]=C1210.51204.6± 1.3kJ/mol52.0740 ±
0.0032
65513-85-1*0
Bicyclo[1.1.0]but-3-ene C12=CC2C1483.1474.1± 1.6kJ/mol52.0746 ±
0.0032
78525-41-4*0
Nitric acid O[N+](=O)[O-]-197.75± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*805
Propynylidene [CH]=C=[CH]543.68546.68± 0.64kJ/mol38.0480 ±
0.0024
67152-18-5*0
Vinylvinylidene anion C=CC=[C-]405.7398.9± 2.0kJ/mol52.0751 ±
0.0032
167386-49-4*1
Tetrahedrane cation C12C3C1[CH+]231326.71318.5± 1.7kJ/mol52.0740 ±
0.0032
80826-01-3*0
Bicyclo[1.1.0]but-1(3)-ene C1C2=C1C2578.7570.3± 1.9kJ/mol52.0746 ±
0.0032
58208-49-4*0
Bicyclo[1.1.0]but-1(3)-ene cation C1[C+]2=C1C21461.61453.5± 2.1kJ/mol52.0740 ±
0.0032
*58208-49-4*0
Formaldehyde C=O196.002192.699± 0.095kJ/mol30.02598 ±
0.00087
50-00-0*1
1-Buten-3-yn-1-yl C#CC=[CH]547.7545.0± 1.2kJ/mol51.0666 ±
0.0032
2810-61-9*2
3-Buten-1-ynylium C=CC#[C+]1603.81602.8± 1.7kJ/mol51.0661 ±
0.0032
103928-84-3*2
1-Cyclopropene-1,2-diyl C1[C]=[C]1791.2790.7± 1.5kJ/mol38.0480 ±
0.0024
202744-75-0*0
3-Methylene-1-cyclopropen-1-ylium C=C1C=[C+]11467.61463.9± 1.6kJ/mol51.0661 ±
0.0032
117469-28-0*1
2-Cyclopropen-1-ylidenemethylium [CH+]=C1C=C11346.41343.8± 1.8kJ/mol51.0661 ±
0.0032
112936-36-4*2
Nitrate O=[N+]([O-])[O-]-206.54± 0.18kJ/mol62.00549 ±
0.00090
14797-55-8*800
1,3-Cyclobutadien-1-ylium [C+]1=CC=C11388.21383.3± 1.8kJ/mol51.0661 ±
0.0032
81913-77-1*2
Cyanic azide N#CN=[N+]=[N-]502.7498.3± 1.9kJ/mol68.03766 ±
0.00085
764-05-6*0
Phenyl hydroperoxide c1ccc(cc1)OO13.3-5.7± 2.1kJ/mol110.1106 ±
0.0049
36112-26-2*0
Hydrooxonitrate [NH-]=O78.6275.70± 0.99kJ/mol31.01463 ±
0.00032
66057-02-1*0
Methylcyclopentane CC1CCCC1-116.52-137.87± 0.35kJ/mol84.1595 ±
0.0049
96-37-7*500
Dioxosilane O=[Si]=O-904.04-908.90± 0.68kJ/mol60.08430 ±
0.00067
7631-86-9*510
Cyclopropenyliumdiyl [CH+]1C#C11692.31695.2± 1.8kJ/mol37.0395 ±
0.0024
127476-05-5*0
Deuterium hydride cation [H][2H+]1490.4981490.587± 0.000kJ/mol3.021493 ±
0.000070
12181-16-7*0
Cyclopropynyl anion [CH-]1C#C1518.36521.35± 0.76kJ/mol37.0406 ±
0.0024
136861-42-2*0
Silylene anion [SiH2-]167.1165.5± 1.4kJ/mol30.10193 ±
0.00033
54991-62-7*0
Hydroxyimidogen anion [N-]O229.8227.4± 2.2kJ/mol31.01463 ±
0.00032
*35337-59-8*0
Silyliumylidene [SiH+]1134.71135.9± 1.1kJ/mol29.09289 ±
0.00031
31241-66-4*0
Disilene cation [SiH2]=[SiH2+]1069.41060.4± 2.0kJ/mol60.20221 ±
0.00066
108492-63-3*0
Di-mu-hydrodihydrodisilicon cation [SiH+]([H-]1)[H-][SiH+2]11180.11172.5± 3.3kJ/mol60.20221 ±
0.00066
*129970-82-7*1
Di-mu-hydrodihydrodisilicon anion [SiH+]([H-]1)[H-][SiH]1288.3279.7± 3.4kJ/mol60.20331 ±
0.00066
*129970-83-8*1
mu-Hydrotrihydrodisilicon [Si+2]1[H-][SiH3-]1459.1450.9± 2.5kJ/mol60.20276 ±
0.00066
497967-55-2*1
Tetranitrogen cation [N]=NN=[N+]1392.81392.5± 1.5kJ/mol56.02641 ±
0.00028
12185-04-5*0
Hypochlorous acid cation O[Cl+]998.94995.90± 0.90kJ/mol52.45949 ±
0.00095
71606-47-8*0
Hypochlorous acid anion O[Cl-]198.7198.4± 2.5kJ/mol52.46059 ±
0.00095
34524-94-2*0
Dewar benzene C1=CC2C1C=C2422.1405.1± 1.7kJ/mol78.1118 ±
0.0048
5649-95-6*0
1,2-Hexadien-4-yne C=C=CC#CC407.4397.4± 1.7kJ/mol78.1118 ±
0.0048
34783-10-3*0
3-Methylene-1-penten-4-yne C=CC(=C)C#C362.5349.9± 2.2kJ/mol78.1118 ±
0.0048
6929-96-0*1
3-Methyl-1,4-pentadiyne C#CC(C)C#C439.0427.6± 1.6kJ/mol78.1118 ±
0.0048
57242-04-3*0
Ethanium [CH3+][H][CH3]888.7870.3± 1.8kJ/mol31.0764 ±
0.0017
24669-33-8*2
Ethylaminylium CC[NH+]1092.21076.2± 2.4kJ/mol44.0752 ±
0.0017
54387-08-5*11
2-Methyl-2-propanamine CC(C)(C)N-133.09-150.58± 0.53kJ/mol73.1369 ±
0.0033
75-64-9*500
1,2-Diphenylethane c1ccccc1CCc2ccccc284.8651.12± 0.75kJ/mol182.2610 ±
0.0112
103-29-7*500
Hydrogen fluoride F-321.83± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*901
Anthracene c1ccc2cc3ccccc3cc2c1150.67124.86± 0.88kJ/mol178.2292 ±
0.0112
120-12-7*500
Phenanthrene c1ccc2c(c1)ccc3c2cccc3136.32111.04± 0.64kJ/mol178.2292 ±
0.0112
85-01-8*500
Diphenylacetylene c1ccc(cc1)C#Cc2ccccc2432.4407.3± 1.2kJ/mol178.2292 ±
0.0112
501-65-5*0
Diphenylacetylene c1ccc(cc1)C#Cc2ccccc2334.71312.76± 0.93kJ/mol178.2292 ±
0.0112
501-65-5*500
Ethanium [CH3+][H][CH3]895.1877.3± 1.9kJ/mol31.0764 ±
0.0017
24669-33-8*3
Bicyclo[1.1.0]buta-1,1-diene-2,4-diyl C12[C]=[C]2=[C]1990.3993.6± 2.0kJ/mol49.0507 ±
0.0032
*99417-53-5*0
Benzoic acid c1ccc(cc1)C(=O)O-274.31-294.11± 0.19kJ/mol122.1213 ±
0.0056
65-85-0*0
2-Butynylium CC#C[CH2+]1258.71251.4± 1.6kJ/mol53.0820 ±
0.0032
64235-83-2*1
Hydrogen bromide Br-120.31± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*844
Argonium [Ar+2][H-]1151.81150.1± 1.4kJ/mol40.9554 ±
0.0010
12254-68-1*0
Xenonium [Xe+2][H-]1038.191036.42± 0.88kJ/mol132.2974 ±
0.0200
37276-91-8*0
Hydrogen chloride Cl-165.544± 0.024kJ/mol36.46064 ±
0.00090
7647-01-0*953
Monosulfur anion [S-]76.4878.53± 0.14kJ/mol32.0665 ±
0.0060
14337-03-2*0
Sulfur dioxide O=S=O-320.63± 0.14kJ/mol64.0648 ±
0.0060
7446-09-5*1000
Hydroxyoxoammoniumyl O[N+]=O984.1977.7± 1.8kJ/mol47.01293 ±
0.00061
80371-48-8*0
1-Methylene-2-propenylium C=C[C+]=C1059.41049.3± 1.7kJ/mol53.0820 ±
0.0032
62698-26-4*2
Hydroperoxyimidogen OO[N]103.499.8± 2.4kJ/mol47.01348 ±
0.00061
877456-58-1*1
Sulfur oxide peroxide O=S=[O+][O-]-26.0-30.2± 2.3kJ/mol80.0642 ±
0.0061
175799-68-5*2
1-Methylene-2-propenylium C=C[C+]=C1256.31246.6± 1.7kJ/mol53.0820 ±
0.0032
62698-26-4*1
Sulfuric acid OS(=O)(=O)O-886.59± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*822
Sulfuric acid OS(=O)(=O)O-900.57± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*850
Hydrogen atom [H]-22.3-24.0± 1.5kJ/mol1.007940 ±
0.000070
12385-13-6*1000001
Nitric acid O[N+](=O)[O-]-186.81± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*801
Hydrogen atom [H]-17.0-20.2± 5.2kJ/mol1.007940 ±
0.000070
12385-13-6*1003001
Hydrogen atom [H]-14.1-17.0± 8.5kJ/mol1.007940 ±
0.000070
12385-13-6*1004001
1,3-Butadienylium C=CC=[CH+]1133.61123.6± 2.5kJ/mol53.0820 ±
0.0032
86181-69-3*2
Hydrogen atom [H]-30.3-33.4± 7.2kJ/mol1.007940 ±
0.000070
12385-13-6*1003004
Hydrogen atom [H]-28.3-31.1± 7.6kJ/mol1.007940 ±
0.000070
12385-13-6*1004004
n-Nonane CCCCCCCCC-247.54-274.40± 0.48kJ/mol128.2551 ±
0.0073
111-84-2*500
n-Decane CCCCCCCCCC-272.69-300.24± 0.79kJ/mol142.2817 ±
0.0081
124-18-5*500
Azide [N]N=[N-]272.65± 0.48kJ/mol42.02077 ±
0.00021
14343-69-2*800
Formyloxidanyl C(=O)[O]-125.82-127.18± 0.55kJ/mol45.0174 ±
0.0010
16499-21-1*0
Dioxiranyl O1[CH]O1217.3213.8± 2.0kJ/mol45.0174 ±
0.0010
120595-16-6*0
1,5-Hexadiene C=CCCC=C54.57± 0.31kJ/mol82.1436 ±
0.0049
592-42-7*500
Ethoxyethane CCOCC-266.19-278.51± 0.60kJ/mol74.1216 ±
0.0033
60-29-7*500
2,4,5-Trioxa-1,3-diazabicyclo[1.1.1]pentane N12ON(O1)O2602.5593.3± 2.1kJ/mol76.01168 ±
0.00091
224950-18-9*0
Bromoniumyl [BrH+]1098.161090.31± 0.12kJ/mol80.9114 ±
0.0010
12258-64-9*0
Nitric acid trihydrate O[N+](=O)[O-].O.O.O-1061.99-1055.14± 0.20kJ/mol117.0587 ±
0.0019
13444-83-2*500
Hydrogen difluoride cation [F+]F[H]1267.61265.4± 4.1kJ/mol39.004198 ±
0.000070
*126950-54-7*1
1-Methyl-1-ethylium-1-yl C[C+]C1058.21045.7± 1.9kJ/mol42.0792 ±
0.0024
121408-19-3*0
Trichlorine ClClCl125.3125.8± 2.0kJ/mol106.3581 ±
0.0027
11094-65-8*0
Isopropylidene anion C[C-]C282.4268.3± 2.0kJ/mol42.0803 ±
0.0024
*121408-19-3*0
Glycolaldehyde C(=O)CO-292.3-304.8± 1.7kJ/mol60.0520 ±
0.0017
141-46-8*21
Glycolaldehyde C(=O)CO-290.6-302.9± 1.7kJ/mol60.0520 ±
0.0017
141-46-8*31
Glycolaldehyde C(=O)CO-283.9-296.7± 1.7kJ/mol60.0520 ±
0.0017
141-46-8*22
Tetraoxodinitrogen cation O=N(=O)[N+](=O)=O1030.71025.2± 2.6kJ/mol92.0105 ±
0.0012
64476-91-1*0
Dihydrogen [H][H]-0.000-0.058± 0.000kJ/mol2.01588 ±
0.00014
1333-74-0*2
Hydrogen fluoride F-321.96± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*822
Methyl acetate CC(=O)OC-445.64± 0.56kJ/mol74.0785 ±
0.0025
79-20-9*500
Hydrogen peroxide OO-193.101-187.283± 0.077kJ/mol34.01468 ±
0.00062
7722-84-1*500
1-Hydroxy-2-propanone CC(=O)CO-340.6-360.4± 1.7kJ/mol74.0785 ±
0.0025
116-09-6*21
1-Hydroxy-2-propanone CC(=O)CO-338.1-356.3± 1.7kJ/mol74.0785 ±
0.0025
116-09-6*31
1-Hydroxy-2-propanone CC(=O)CO-329.8-349.7± 1.7kJ/mol74.0785 ±
0.0025
116-09-6*22
Methoxyoxomethyl CO[C]=O-151.7-160.8± 1.5kJ/mol59.0440 ±
0.0017
16481-04-2*2
Hydraziniumyl N[NH2+]886.6873.3± 2.0kJ/mol32.04469 ±
0.00031
20771-51-1*0
Carbon dication [C++]4150.4594155.605± 0.040kJ/mol12.00960 ±
0.00080
16092-61-8*0
Propionic acid CCC(=O)O-505.36-509.51± 0.17kJ/mol74.0785 ±
0.0025
79-09-4*500
1-Ethenylium-1-yl [C+]=C1507.11507.1± 2.1kJ/mol26.0367 ±
0.0016
80541-07-7*0
Ethylene glycol OCCO-448.63-455.15± 0.37kJ/mol62.0678 ±
0.0018
107-21-1*500
Oxalic acid C(=O)(C(=O)O)O-819.55-829.64± 0.42kJ/mol90.0349 ±
0.0020
144-62-7*500
Dimethylamine CNC-43.31± 0.36kJ/mol45.0837 ±
0.0017
124-40-3*500
Chlorine hydride oxide [H][Cl](=O)(=O)=O163.9154.0± 2.4kJ/mol84.4588 ±
0.0013
1027055-52-2*0
1,3-Propanediyl [CH2]C[CH2]320.1308.3± 1.5kJ/mol42.0797 ±
0.0024
32458-33-6*12
Hydrazine NN57.3150.75± 0.18kJ/mol32.04524 ±
0.00031
302-01-2*500
Carbonate [O-]C(=O)[O-]-225.2-228.4± 2.5kJ/mol60.0100 ±
0.0012
3812-32-6*0
(E)-2-Iminoethylium [CH2+]C=N1148.61138.8± 3.3kJ/mol42.0594 ±
0.0016
91127-33-2*12
1-Iminoethylium C[C+]=N833.6823.1± 3.0kJ/mol42.0594 ±
0.0016
*128365-64-0*2
1-Iminoethanide C[C-]=N185.6175.2± 3.2kJ/mol42.0604 ±
0.0016
*128365-65-1*2
1-Iminoethylium C[C+]=N1342.11333.2± 3.9kJ/mol42.0594 ±
0.0016
*128365-64-0*12
N-Methylenemethaniminium C=[N+]=C904.2893.3± 3.1kJ/mol42.0594 ±
0.0016
88333-01-1*2
(Methylimino)methanide CN=[CH-]222.9212.1± 3.2kJ/mol42.0604 ±
0.0016
*64709-60-0*1
1,3-Butadienylium C=CC=[CH+]1255.81246.4± 2.3kJ/mol53.0820 ±
0.0032
86181-69-3*1
2-Aminoethenylium [CH+]=CN1110.51099.4± 2.4kJ/mol42.0594 ±
0.0016
64724-21-6*12
2-Aminoethenyl anion [CH-]=CN230.1219.2± 2.6kJ/mol42.0604 ±
0.0016
*64724-21-6*2
Aziridine N1CC192.12± 0.88kJ/mol43.0678 ±
0.0016
151-56-4*500
2-Aziridinylium N1[CH+]C11010.6998.6± 3.3kJ/mol42.0594 ±
0.0016
*91127-35-4*2
2-Aziridinide N1[CH-]C1315.9303.8± 3.5kJ/mol42.0604 ±
0.0016
111127-93-6*2
2-Aziridinyl N1[CH]C1364.2352.1± 2.1kJ/mol42.0599 ±
0.0016
*23838-09-7*2
2-Aziridinylium N1[CH+]C11304.61292.9± 4.1kJ/mol42.0594 ±
0.0016
*91127-35-4*12
Trimethylamine CN(C)C-48.72± 0.86kJ/mol59.1103 ±
0.0025
75-50-3*500
Cyanogen anion N#CC#[N-]281.5284.7± 2.2kJ/mol52.0354 ±
0.0016
11118-88-0*0
Diisocyanogen cation [C]#[N+][N+]#[C-]1825.31828.1± 3.2kJ/mol52.0343 ±
0.0016
*78800-21-2*1
Nitric acid monohydrate O[N+](=O)[O-].O-479.11-472.61± 0.18kJ/mol81.0282 ±
0.0012
13444-82-1*500
Cyanoaminyliumyl [N]=[C+]=[N]1672.31673.7± 2.6kJ/mol40.02363 ±
0.00081
316122-03-9*0
Cyanoamidogen anion [N]=[C-]=[N]211.85211.78± 0.60kJ/mol40.02473 ±
0.00081
189879-95-6*0
Cyanoaminylium [NH+]C#N1460.21458.0± 1.9kJ/mol41.03157 ±
0.00082
205443-18-1*2
Difluorodioxidanium FO[O+]F1283.71279.1± 2.3kJ/mol69.99506 ±
0.00060
*7783-44-0*1
Diazomethanide [CH-]=[N]=[N]479.7478.3± 1.8kJ/mol41.03267 ±
0.00082
100840-43-5*1
Hydrochlorate ion [ClH-]-25.2-24.2± 2.5kJ/mol36.46119 ±
0.00090
63099-75-2*0
Ammonium hydroxide [NH4+].[OH-]-366.19± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*818
1H-Diazirin-3-ylium N1N=[C+]11640.31638.0± 2.0kJ/mol41.03157 ±
0.00082
735234-64-7*1
1H-diazirin-3-ide N1N=[C-]1655.2652.0± 2.1kJ/mol41.03267 ±
0.00082
*735234-64-7*1
1H-Diazirin-3-yl N1N=[C]1618.7615.8± 1.6kJ/mol41.03212 ±
0.00082
324529-57-9*0
Cyanamide NC#N59.04± 0.52kJ/mol42.04006 ±
0.00082
420-04-2*500
Oxobromonium [O][Br+]1140.01132.2± 1.6kJ/mol95.9029 ±
0.0010
142315-39-7*0
Methoxymethylene CO[CH]144.7134.3± 1.4kJ/mol44.0526 ±
0.0017
19527-10-7*22
Methylenediazeniumide [CH-]=[N+]=N375.2368.7± 1.9kJ/mol42.04006 ±
0.00082
24153-51-3*0
Methylidynehydrazinium-1-yl [CH]=[N+]=N1251.71245.8± 1.9kJ/mol42.03951 ±
0.00082
160951-16-6*0
(Iminomethyl)imidogen N=C[N]420.1413.1± 2.9kJ/mol42.04006 ±
0.00082
87570-07-8*11
Diazomethyliumyl [C+]=N=[N]1639.61640.8± 3.1kJ/mol40.02363 ±
0.00081
307495-90-5*0
Diazomethylene anion [C-]=N=[N]406.9407.1± 2.4kJ/mol40.02473 ±
0.00081
205498-92-6*0
3H-Diazirin-3-ylidene [C]1N=N1579.1579.5± 2.7kJ/mol40.02418 ±
0.00081
253308-70-2*0
Hydronium radical O.[H]-18.5-21.5± 2.1kJ/mol19.02322 ±
0.00037
12168-76-2*100
Acetonitrile CC#N40.64± 0.22kJ/mol41.0520 ±
0.0016
75-05-8*500
Dioxohydrazine O=NN=O172.92171.16± 0.14kJ/mol60.01228 ±
0.00062
16824-89-8*2
Chloromethyliumylidene [C]=[Cl+]1282.71285.8± 2.4kJ/mol47.4629 ±
0.0012
69773-94-0*0
Chloromethylidyne anion [C][Cl-]319.8323.6± 2.5kJ/mol47.4639 ±
0.0012
117129-77-8*0
Dioxohydrazine O=NN=O172.92171.16± 0.14kJ/mol60.01228 ±
0.00062
16824-89-8*0
Dioxidanyl dimer O[O].O[O]-8.26-17.83± 0.50kJ/mol66.0135 ±
0.0012
240125-82-0*1
1-Propenylium CC=[CH+]1231.81221.5± 1.7kJ/mol41.0713 ±
0.0024
50457-58-4*2
1-Propenylide CC=[CH-]204.0192.7± 1.8kJ/mol41.0723 ±
0.0024
65887-20-9*2
Ammonia anion [NH3-]94.387.2± 2.4kJ/mol17.03111 ±
0.00022
37353-00-7*0
2-Hydroxyethenyl [CH]=CO143.78137.22± 0.99kJ/mol43.0446 ±
0.0016
108665-16-3*11
(Z)-Diazene anion [H]/N=[N-]\[H]280.0273.3± 2.0kJ/mol30.02991 ±
0.00020
*86631-37-0*0
Carbon dioxide anion [C-](=O)=O-340.6-340.1± 2.2kJ/mol44.01005 ±
0.00100
14485-07-5*0
Dioxiranylidene cation [C+]1OO11409.11410.3± 2.6kJ/mol44.00895 ±
0.00100
*138832-57-2*0
Dioxiranylidene anion [C-]1OO1-110.2-109.7± 3.0kJ/mol44.01005 ±
0.00100
*138832-58-3*0
2-Hydroxyethenyl [CH]=CO147.1140.8± 1.2kJ/mol43.0446 ±
0.0016
108665-16-3*22
2-Hydroxyethenyl [CH]=CO150.5144.4± 1.6kJ/mol43.0446 ±
0.0016
108665-16-3*12
Poly(vinylchloride) C{-}(Cl)C{+n}-84.6-94.0± 1.3kJ/mol62.4979 ±
0.0018
9002-86-2*500
1,1-Dichloroethene C=C(Cl)Cl-23.47± 0.51kJ/mol96.9427 ±
0.0024
75-35-4*500
Dioxymethylidyne cation [C+]O[O]1436.61439.0± 2.7kJ/mol44.00895 ±
0.00100
*791121-04-5*2
Nitrogen atom dianion [N-2]1062.81064.9± 2.8kJ/mol14.007837 ±
0.000070
16727-21-2*0
Methylamine CN-45.27± 0.44kJ/mol31.05714 ±
0.00088
74-89-5*500
Isodiazene anion [N-]N380.9374.1± 2.1kJ/mol30.02991 ±
0.00020
*63986-30-1*0
Dioxymethylidyne cation [C+]O[O]1388.21391.7± 3.2kJ/mol44.00895 ±
0.00100
*791121-04-5*101
Dichloromethane C(Cl)Cl-122.76± 0.37kJ/mol84.9320 ±
0.0020
75-09-2*590
Dihydrogen cation [H][H+]1488.3641488.480± 0.000kJ/mol2.01533 ±
0.00014
12184-90-6*2
Carbon dioxide cation [C+](=O)=O1335.01335.5± 2.4kJ/mol44.00895 ±
0.00100
12181-61-2*1
Peroxynitrous acid OON=O-5.73-11.56± 0.35kJ/mol63.01288 ±
0.00091
14691-52-2*0
Ethynylaminylium C#C[NH+]1277.81277.4± 2.6kJ/mol40.0435 ±
0.0016
103835-08-1*1
Carbon monoxide anion [C]#[O-]30.033.7± 2.3kJ/mol28.01065 ±
0.00085
12539-63-8*0
Dioxodiazoxane O=NON=O125.7120.4± 2.1kJ/mol76.01168 ±
0.00091
122413-35-8*3
Tribromofluoromethane FC(Br)(Br)Br-98.8-122.8± 1.5kJ/mol270.7211 ±
0.0031
353-54-8*0
Tribromochloromethane ClC(Br)(Br)Br85.762.9± 1.5kJ/mol287.1754 ±
0.0032
594-15-0*0
Difluoromethylene anion F[C-]F-211.14-209.96± 0.58kJ/mol50.00805 ±
0.00080
66212-40-6*0
Fluoromethylidyne anion [C-]F200.8204.3± 1.9kJ/mol31.00965 ±
0.00080
33412-12-3*0
Tetraoxidanyl OOO[O]53.046.0± 5.1kJ/mol65.0055 ±
0.0012
69696-93-1*2
Hydrogen fluoride F-321.97± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*905
Chloryl ion O=[Cl+]=O1100.261097.60± 0.53kJ/mol67.4510 ±
0.0011
25052-55-5*0
Difluorovinylidene [C]=C(F)F129.4130.7± 2.2kJ/mol62.0182 ±
0.0016
41895-33-4*0
Fluoroethynylium [C+]#CF1536.31541.0± 2.3kJ/mol43.0193 ±
0.0016
268566-69-4*0
Bromoacetylene C#CBr281.9275.4± 1.6kJ/mol104.9333 ±
0.0019
593-61-3*0
Carbon monoxide [C-]#[O+]465.582469.289± 0.026kJ/mol28.01010 ±
0.00085
630-08-0*1
Bromosyl bromide [O]BrBr180.4164.6± 2.1kJ/mol175.8074 ±
0.0020
68322-97-4*0
Isocyanic fluoride [C]=NF301.0302.9± 1.8kJ/mol45.01584 ±
0.00080
16992-26-0*0
Chloro(chlorooxy)methylene Cl[C]OCl98.101.± 15.kJ/mol98.9155 ±
0.0020
479587-31-0*11
Trihydrogen [H]1[H][H]1756.931754.146± 0.015kJ/mol3.02382 ±
0.00021
12184-91-7*2
Chlorooxomethylium O=[C+]Cl783.7783.8± 2.2kJ/mol63.4623 ±
0.0012
38264-03-8*0
Oxygen difluoride cation FO[F+]1292.121289.59± 0.66kJ/mol53.99566 ±
0.00030
39432-25-2*0
Carbon dioxide C(=O)=O-412.867± 0.018kJ/mol44.00950 ±
0.00100
124-38-9*1000
Isoprene CC(=C)C=C48.94± 0.69kJ/mol68.1170 ±
0.0040
78-79-5*500
2-Iodoethanol ICCO-207.2± 2.4kJ/mol171.9650 ±
0.0017
624-76-0*590
1,3-Butadiyne cation C#CC#[CH+]1440.161442.02± 0.57kJ/mol50.0581 ±
0.0032
55468-55-8*0
1,3,5-Hexatriynide [C-]#CC#CC#C635.5644.0± 2.3kJ/mol73.0727 ±
0.0048
85905-65-3*0
Dihydrogen cation [H][H+]1489.0601488.480± 0.000kJ/mol2.01533 ±
0.00014
12184-90-6*1
Carbon suboxide cation O=C=[C+]=C=O928.7932.2± 1.1kJ/mol68.0304 ±
0.0025
151528-67-5*0
Carbon suboxide anion O=C=[C-]=C=O-131.2-127.7± 2.5kJ/mol68.0314 ±
0.0025
109362-94-9*0
Benzene anion c1ccc(cc1)[H-]209.2197.3± 1.2kJ/mol78.1124 ±
0.0048
34562-85-1*0
o-Benzyne C1=CC#CC=C1625.6616.3± 1.1kJ/mol76.0960 ±
0.0048
462-80-6*1
Oxygen atom hexacation [O+6]42035.2842037.14± 0.12kJ/mol15.99611 ±
0.00030
14158-22-6*0
m-Benzyne c1[c]ccc[c]1527.0518.5± 1.2kJ/mol76.0960 ±
0.0048
1828-89-3*0
Oxygen difluoride anion FO[F-]-202.0-201.9± 2.7kJ/mol53.99675 ±
0.00030
*7783-41-7*0
p-Benzyne cation c1c[c]cc[c+]11424.91417.7± 2.1kJ/mol76.0954 ±
0.0048
121058-09-1*0
p-Benzyne c1c[c]cc[c]1587.0577.6± 1.2kJ/mol76.0960 ±
0.0048
3355-34-8*0
Deuterium hydride [H][2H]0.3280.319± 0.000kJ/mol3.022042 ±
0.000070
13983-20-5*0
Toluene c1ccc(cc1)C19.7812.02± 0.31kJ/mol92.1384 ±
0.0056
108-88-3*500
Ammonium hydroxide [NH4+].[OH-]-366.30± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*844
Cyclopentadienylium [CH+]1C=CC=C11088.361075.49± 0.91kJ/mol65.0927 ±
0.0040
29661-18-5*0
Nitrosyl nitrite anion O=NON=[O-]-103.0-106.2± 2.8kJ/mol76.01223 ±
0.00091
*122413-35-8*1
Cycloheptene C1CCC=CCC1-25.1-46.2± 1.7kJ/mol96.1702 ±
0.0057
628-92-2*500
1-Propynylium CC#[C+]1547.01545.1± 3.1kJ/mol39.0554 ±
0.0024
24858-94-4*0
Cycloheptatriene C1C=CC=CC=C1154.28145.50± 0.96kJ/mol92.1384 ±
0.0056
544-25-2*500
Hydrogen chloride Cl-166.711± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*951
Phenylethene c1ccc(cc1)C=C104.50± 0.47kJ/mol104.1491 ±
0.0064
100-42-5*500
Benzonitrile c1ccc(cc1)C#N161.21163.57± 0.90kJ/mol103.1213 ±
0.0056
100-47-0*500
Isocyanobenzene c1ccc(cc1)[N+]#[C-]321.0307.2± 1.7kJ/mol103.1213 ±
0.0056
931-54-4*0
Phenol c1ccc(cc1)O-146.43-162.28± 0.65kJ/mol94.1112 ±
0.0048
108-95-2*500
Hydrazoic acid cation N=[N+]=[N]1333.691328.01± 0.83kJ/mol43.02761 ±
0.00022
58852-14-5*0
Anisole c1ccccc1OC-119.48± 0.77kJ/mol108.1378 ±
0.0056
100-66-3*500
Benzaldehyde c1ccc(cc1)C=O-86.11-87.18± 0.95kJ/mol106.1219 ±
0.0056
100-52-7*500
Ethynylene [C]=[C]827.200833.906± 0.085kJ/mol24.0214 ±
0.0016
12070-15-4*1
Isocyanogen chloride [C]=NCl314.7316.3± 2.4kJ/mol61.4701 ±
0.0012
75754-69-7*0
Acetophenone c1ccc(cc1)C(=O)C-140.0± 1.1kJ/mol120.1485 ±
0.0064
98-86-2*500
1-Phenylethenol c1ccc(cc1)C(O)=C-9.4-33.2± 2.1kJ/mol120.1485 ±
0.0064
4383-15-7*0
p-Tolualdehyde Cc1ccc(cc1)C=O-126.4± 1.3kJ/mol120.1485 ±
0.0064
104-87-0*500
Perchloryl cation O=[Cl+](=O)[O]1252.11246.4± 2.5kJ/mol83.4504 ±
0.0013
23594-88-9*0
o-Tolualdehyde Cc1ccccc1C=O-119.4± 1.1kJ/mol120.1485 ±
0.0064
529-20-4*500
Hydrogen fluoride F-321.86± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*903
Fluorobenzene anion c1ccc(cc1)[F-]-15.3-27.1± 1.6kJ/mol96.1029 ±
0.0048
34561-55-2*0
Hexafluorobenzene anion Fc1c(F)c(F)c(F)c(F)c1[F-]-992.6-995.0± 3.5kJ/mol186.0552 ±
0.0048
37551-90-9*0
Cycloprop-1-enylium C1C=[C+]11502.21497.9± 2.2kJ/mol39.0554 ±
0.0024
117067-78-4*0
Ammonium hydroxide [NH4+].[OH-]-366.36± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*828
1,2-Propadien-1-ylium-1-yl-3-ylidene [C]=C=[C+]1957.161965.03± 0.82kJ/mol36.0316 ±
0.0024
118090-85-0*1
m-Chlorophenylium c1(Cl)c[c+]ccc11161.31151.2± 2.6kJ/mol111.5481 ±
0.0049
127983-85-1*0
p-Chlorophenylium c1(Cl)cc[c+]cc11148.61139.1± 2.5kJ/mol111.5481 ±
0.0049
42766-43-8*0
o-Chlorophenylium c1(Cl)[c+]cccc11167.91158.6± 2.5kJ/mol111.5481 ±
0.0049
137963-70-3*0
Isocyanogen bromide [C]=NBr341.2335.5± 3.5kJ/mol105.9214 ±
0.0013
65997-98-0*0
Iodobenzene cation c1ccc(cc1)[I+]1023.431008.00± 0.99kJ/mol204.0078 ±
0.0048
38406-85-8*0
Nitrobenzene c1ccc(cc1)[N+](=O)[O-]7.1± 1.4kJ/mol123.1094 ±
0.0049
98-95-3*500
Pyridine c1ccncc1102.24100.21± 0.38kJ/mol79.0999 ±
0.0040
110-86-1*500
Hydrazoic acid anion N=[N]=[N-]309.0302.7± 2.3kJ/mol43.02871 ±
0.00022
203264-98-6*1
Hydrogen iodide I-56.827± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*800
Bicyclo[1.1.0]buta-1,3-dien-4-ylium-2-yl C12=[C]C2=[C+]12087.62097.5± 2.3kJ/mol48.0423 ±
0.0032
289679-91-0*0
Nitromethane C[N+](=O)[O-]-114.11-112.93± 0.41kJ/mol61.0401 ±
0.0010
75-52-5*500
2,2,4-Trimethylpentane CC(C)CC(C)(C)C-224.2-258.6± 1.5kJ/mol114.2285 ±
0.0065
540-84-1*500
cis-1,2-Diiodoethene C(\I)=C\I217.43209.15± 0.35kJ/mol279.8462 ±
0.0016
590-26-1*0
trans-1,2-Diiodoethene C(\I)=C/I215.09207.70± 0.35kJ/mol279.8462 ±
0.0016
590-27-2*0
2-Oxo-1-ethylium-1-yl [CH+]C=O1289.41286.0± 2.5kJ/mol42.0361 ±
0.0016
214464-96-7*11
Norbornadiene C1C2C=CC1C=C2209.3± 1.1kJ/mol92.1384 ±
0.0056
121-46-0*500
2,3-Butanedione CC(=O)C(=O)C-365.57± 0.53kJ/mol86.0892 ±
0.0033
431-03-8*500
Succinic acid OC(=O)CCC(=O)O-801.4-823.6± 2.7kJ/mol118.0880 ±
0.0034
110-15-6*0
Oxoethylidene anion [CH-]C=O86.983.6± 2.1kJ/mol42.0372 ±
0.0016
106543-38-8*1
Cycloprop-2-enylide C1=C[CH-]1514.8511.8± 2.2kJ/mol39.0565 ±
0.0024
20829-57-6*0
1,2-Diiodoethane C(I)CI87.8573.19± 0.90kJ/mol281.8621 ±
0.0016
624-73-7*0
1,2-Diiodoethane C(I)CI9.32± 0.60kJ/mol281.8621 ±
0.0016
624-73-7*500
2-Butanone CCC(=O)C-267.76-273.25± 0.79kJ/mol72.1057 ±
0.0033
78-93-3*500
Bicyclo[1.1.0]buta-1,3-dien-2-yl anion C12=[C]C2=[C-]1803.1810.7± 1.8kJ/mol48.0433 ±
0.0032
289679-89-6*0
Isocyanogen iodide IN=[C]341.7341.9± 4.9kJ/mol152.92191 ±
0.00080
66004-32-8*0
Acrolein cation C=CC=[O+]919.96909.82± 0.79kJ/mol56.0627 ±
0.0024
84005-05-0*1
Acrolein anion C=C[CH][O-]-71.8-81.9± 3.1kJ/mol56.0638 ±
0.0024
23555-87-5*2
Acrolein C=CC=O-95.63± 0.96kJ/mol56.0633 ±
0.0024
107-02-8*500
Isocyanogen iodide anion IN=[C-]123.0125.1± 9.3kJ/mol152.92246 ±
0.00080
*66004-32-8*0
NON cation [N]O[N+]1444.01444.2± 2.8kJ/mol44.01233 ±
0.00033
*227934-46-5*0
1-Oxo-2-propenylium C=C[C+]=O772.8765.9± 3.0kJ/mol55.0548 ±
0.0024
35335-83-2*2
1-Oxo-2-propenide C=C[C-]=O50.746.0± 2.6kJ/mol55.0559 ±
0.0024
78944-75-9*1
Peroxyhypochlorous acid anion OO[Cl-]-32.1-33.9± 2.6kJ/mol68.4600 ±
0.0011
*67952-08-3*2
3-Oxo-1-propenylium [CH+]=CC=O1197.71192.0± 3.4kJ/mol55.0548 ±
0.0024
101705-90-2*121
Hydroxylamine NO-97.1± 2.2kJ/mol33.02996 ±
0.00037
7803-49-8*1000
Ethenedione anion O=C=C=[O-]-149.7-147.1± 1.7kJ/mol56.0207 ±
0.0017
77783-15-4*0
1,3-Butadiynyl anion [C]#CC#[C-]677.2686.3± 1.1kJ/mol48.0433 ±
0.0032
59158-53-1*0
Urea NC(=O)N-317.73-333.32± 0.12kJ/mol60.05534 ±
0.00091
57-13-6*500
Formamide NC=O-251.04± 0.28kJ/mol45.04066 ±
0.00088
75-12-7*500
Acetamide CC(=O)N-315.89± 0.53kJ/mol59.0672 ±
0.0017
60-35-5*500
Dihydrogen [H][H]1.4170.019± 0.000kJ/mol2.01588 ±
0.00014
1333-74-0*1
Acrylonitrile C=CC#N446.4440.9± 1.7kJ/mol53.0627 ±
0.0024
107-13-1*2
Acrylonitrile C=CC#N146.32153.98± 0.77kJ/mol53.0627 ±
0.0024
107-13-1*500
Trifluorine FFF80.681.8± 2.6kJ/mol56.9952096 ±
0.0000015
73455-86-4*0
Isocyanoethene C=C[N+]#[C-]544.1539.2± 1.8kJ/mol53.0627 ±
0.0024
14668-82-7*2
1-Isocyanoethylidene C[C][N+]#[C-]527.9523.2± 1.1kJ/mol53.0627 ±
0.0024
*498544-34-6*0
Iodine monochloride ICl-36.511-35.537± 0.063kJ/mol162.35717 ±
0.00090
7790-99-0*510
Methanol dimer CO.CO-398.5-419.1± 1.4kJ/mol64.0837 ±
0.0018
42845-44-3*0
2-Cyclopropyn-1-ylidenemethyliumyl [C+]=C1C#C12239.72247.6± 2.3kJ/mol48.0423 ±
0.0032
289679-92-1*0
Trioxirane O1OO1272.7270.1± 1.3kJ/mol47.99820 ±
0.00090
153851-84-4*0
Cyclopropenylidene anion C1=[C-]=C1544.2543.8± 2.2kJ/mol38.0485 ±
0.0024
*16165-40-5*0
Ammonium hydroxide [NH4+].[OH-]-366.38± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*833
Ammonium hydroxide [NH4+].[OH-]-366.32± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*822
Tetraoxygen O=O.O=O104.4102.4± 3.5kJ/mol63.9976 ±
0.0012
12596-83-7*11
Vinylacetylene C=CC#C266.3± 2.1kJ/mol52.0746 ±
0.0032
689-97-4*500
Hydroxymethoxy [O]CO-159.64-169.50± 0.87kJ/mol47.0333 ±
0.0010
72144-78-6*0
Chlorine chlorite ClO[Cl]=O177.4175.1± 2.2kJ/mol102.9042 ±
0.0019
105206-44-8*2
Vinylvinylidene C=CC=[C]690.4684.3± 2.7kJ/mol52.0746 ±
0.0032
148759-16-4*11
Hydroxymethyleneoxonium C=[O+]O792.88782.74± 0.64kJ/mol47.0328 ±
0.0010
77144-12-8*0
1-Buten-3-ynylium C#CC=[CH+]1483.01480.5± 1.7kJ/mol51.0661 ±
0.0032
84654-85-3*2
Ethyl hydroperoxide CCOO-210.± 20.kJ/mol62.0678 ±
0.0018
3031-74-1*500
n-Heptane CCCCCCC-201.45-223.91± 0.45kJ/mol100.2019 ±
0.0057
142-82-5*500
Paraformaldehyde C=O-179.2± 1.6kJ/mol30.02598 ±
0.00087
30525-89-4*500
Propane cation CC[CH3+]974.6954.6± 1.7kJ/mol44.0951 ±
0.0025
34479-70-4*0
2-Cyclopropen-1-ylidenemethylium [CH+]=C1C=C11433.11429.3± 1.9kJ/mol51.0661 ±
0.0032
112936-36-4*1
1,3-Cyclobutadien-1-ylium [C+]1=CC=C11472.91468.4± 1.9kJ/mol51.0661 ±
0.0032
81913-77-1*1
1,3-Cyclobutadien-1-yl anion [C-]1=CC=C1616.3611.7± 2.1kJ/mol51.0672 ±
0.0032
154675-37-3*0
Cyclobutenylium C1[CH+]C=C11038.61025.5± 2.8kJ/mol53.0820 ±
0.0032
12316-90-4*0
Triiodine III153.4149.4± 3.6kJ/mol380.713410 ±
0.000090
12596-31-5*0
Butyraldehyde CCCC=O-235.85-239.37± 0.84kJ/mol72.1057 ±
0.0033
123-72-8*500
2-Propen-3-ylium-1-ylidyne [CH][CH][C+]1791.21792.8± 2.6kJ/mol38.0474 ±
0.0024
161054-36-0*0
Propenediylidene anion [CH][CH][C-]588.8590.0± 2.3kJ/mol38.0485 ±
0.0024
*161054-36-0*0
Disilicon cation [Si][Si+]1349.91353.5± 2.7kJ/mol56.17045 ±
0.00060
12597-36-3*0
NON anion [N]O[N-]495.3492.8± 2.5kJ/mol44.01343 ±
0.00033
*227934-47-6*0
Dioxosilane cation O=[Si+]=O946.3946.2± 2.8kJ/mol60.08375 ±
0.00067
59458-81-0*0
Silicate O=[Si-]=O-477.4-478.2± 2.6kJ/mol60.08485 ±
0.00067
53095-83-3*0
Oxosilicate [Si-]=O-106.0-104.8± 2.6kJ/mol44.08545 ±
0.00042
12503-59-2*0
Silicon carbide [Si]=[C]-72.0-73.0± 1.5kJ/mol40.09620 ±
0.00085
409-21-2*502
Silane cation [SiH4+]1104.71097.5± 1.6kJ/mol32.11671 ±
0.00041
34826-51-2*0
Silylium [SiH3+]989.74984.16± 0.94kJ/mol31.10877 ±
0.00037
41753-67-7*0
Tetrazete N1=NN=N1764.9759.0± 1.8kJ/mol56.02696 ±
0.00028
42851-09-2*0
n-Octane CCCCCCCC-226.25-249.37± 0.53kJ/mol114.2285 ±
0.0065
111-65-9*500
Silylidyne anion [SiH-]250.0251.2± 1.1kJ/mol29.09399 ±
0.00031
68865-96-3*0
Disilanylium [SiH3][SiH2+]981.7970.4± 2.6kJ/mol61.21015 ±
0.00069
86860-82-4*0
Ammonium hydroxide [NH4+].[OH-]-366.24± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*850
1-Disilanylium-1-yl [SiH3][SiH+]1124.01116.4± 2.3kJ/mol60.20221 ±
0.00066
108492-64-4*0
Tetraazatetrahedrane N12N3N1N23763.7757.2± 1.7kJ/mol56.02696 ±
0.00028
12596-63-3*0
Di-mu-hydrodihydrodisilicon cation [SiH+]([H-]1)[H-][SiH+2]11194.21184.5± 3.5kJ/mol60.20221 ±
0.00066
*129970-82-7*2
Di-mu-hydrodihydrodisilicon anion [SiH+]([H-]1)[H-][SiH]1296.4288.9± 3.5kJ/mol60.20331 ±
0.00066
*129970-83-8*2
Oxadiazirine cation [N+]1=NO11509.91507.2± 2.4kJ/mol44.01233 ±
0.00033
*227934-45-4*0
Dioxygen difluoride [O][O](F)F75.171.6± 3.6kJ/mol69.99561 ±
0.00060
183051-89-0*0
Ammonium hydroxide [NH4+].[OH-]-366.02± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*855
Ammonium hydroxide [NH4+].[OH-]-363.82± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*801
Hydrogen difluoride cation F[H][F+]1241.1238.± 17.kJ/mol39.004198 ±
0.000070
126950-54-7*1
2,4-Hexadiyne CC#CC#CC319.04312.68± 0.98kJ/mol78.1118 ±
0.0048
2809-69-0*500
Ammonium hydroxide [NH4+].[OH-]-364.67± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*803
Trimethylenecyclopropane C=C1C(=C)C1=C454.2441.3± 1.8kJ/mol78.1118 ±
0.0048
3227-90-5*0
3,4-Bis(methylene)cyclobutene C=C1C=CC1=C355.5340.9± 1.8kJ/mol78.1118 ±
0.0048
5291-90-7*0
Peroxyhypochlorite ClO[O-]-252.78-251.75± 0.34kJ/mol67.4520 ±
0.0011
224299-14-3*0
Cyclobutane C1CCC13.88± 0.39kJ/mol56.1063 ±
0.0032
287-23-0*590
1-Ethynylcyclobutene C1CC=C1C#C402.2387.9± 1.8kJ/mol78.1118 ±
0.0048
813466-25-0*0
3-Methyl-1,2-pentadien-4-yne C=C=C(C)C#C414.6403.4± 2.3kJ/mol78.1118 ±
0.0048
813466-14-7*0
Ammonium hydroxide [NH4+].[OH-]-365.13± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*805
Methylcyclopropane CC1CC11.95± 0.59kJ/mol56.1063 ±
0.0032
594-11-6*590
Hydroxyoxoammoniumyl O[N+]=O984.1977.7± 1.8kJ/mol47.01293 ±
0.00061
80371-48-8*1
1,3-Pentadiyne C#CC#CC384.9± 5.0kJ/mol64.0853 ±
0.0040
4911-55-1*500
Ammonium hydroxide [NH4+].[OH-]-365.43± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*807
1-Aminoethylium C[CH+]N683.2664.5± 2.3kJ/mol44.0752 ±
0.0017
*30208-36-7*0
1-Propanamine CCCN-93.79-101.40± 0.40kJ/mol59.1103 ±
0.0025
107-10-8*500
2-Propanamine CC(C)N-101.56-112.17± 0.52kJ/mol59.1103 ±
0.0025
75-31-0*500
Dihydrogen fluoride F.H-56.5-54.2± 1.7kJ/mol21.01428 ±
0.00014
12592-22-2*2
Naphthalene c1ccc2ccccc2c194.7575.17± 0.55kJ/mol128.1705 ±
0.0080
91-20-3*500
Biphenyl c1ccccc1c2ccccc2121.697.1± 1.1kJ/mol154.2078 ±
0.0096
92-52-4*500
Biphenyl c1ccccc1c2ccccc2121.697.1± 1.1kJ/mol154.2078 ±
0.0096
92-52-4*520
Nitrous acid anion O[N-]=O-105.83-110.45± 0.78kJ/mol47.01403 ±
0.00061
256393-36-9*2
Aniline c1ccc(cc1)N37.2931.03± 0.63kJ/mol93.1265 ±
0.0048
62-53-3*500
Chlorodioxidanyl ClO[O]100.3699.27± 0.34kJ/mol67.4515 ±
0.0011
17376-09-9*0
Dihelium [He][He]1733.3101729.576± 0.018kJ/mol8.0052040 ±
0.0000040
12184-98-4*1
Dihydrohelium cation [He]H[H+]1467.271461.99± 0.44kJ/mol6.01793 ±
0.00014
12500-88-8*0
Neon cation [Ne+]2080.6622080.769± 0.000kJ/mol20.17915 ±
0.00060
14782-23-1*0
Formic acid C(=O)O-425.47± 0.45kJ/mol46.0254 ±
0.0010
64-18-6*800
Pyruvic acid CC(=O)C(=O)O-588.52± 0.74kJ/mol88.0621 ±
0.0026
127-17-3*500
Peroxyhypochlorous acid cation OO[Cl+]1030.41024.6± 2.5kJ/mol68.4589 ±
0.0011
*67952-07-2*1
Sulfur trioxide O=S(=O)=O-440.84± 0.30kJ/mol80.0642 ±
0.0061
7446-11-9*590
Ammonium hydroxide [NH4+].[OH-]-366.00± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*815
Sulfanylium [SH+]1148.411148.41± 0.19kJ/mol33.0734 ±
0.0060
12273-42-6*0
Sulfuric acid OS(=O)(=O)O-887.02± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*824
1,2-Butadienylium CC=C=[CH+]1315.51307.4± 1.7kJ/mol53.0820 ±
0.0032
*65114-67-2*1
Sulfur hydroxide oxide cation O[S+](=O)(=O)[O]659.0648.2± 3.5kJ/mol97.0710 ±
0.0061
*12337-07-4*2
Ammonium hydroxide [NH4+].[OH-]-365.85± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*861
Sulfurous acid O=S(O)O-511.18-520.68± 0.89kJ/mol82.0801 ±
0.0061
7782-99-2*0
Sulfurous acid O=S(O)O-606.43± 0.14kJ/mol82.0801 ±
0.0061
7782-99-2*1000
Hydrogen sulfite O=S(O)[O-]-631.77± 0.15kJ/mol81.0727 ±
0.0061
15181-46-1*1000
Sulfur dioxide - hydroxyl complex [OH].O=S=O-265.9-268.0± 2.2kJ/mol81.0721 ±
0.0061
*32750-86-0*100
Peroxychlorous acid O=ClOO102.796.9± 2.4kJ/mol84.4588 ±
0.0013
177778-92-6*2
Platinum dimer [Pt].[Pt]823.5822.5± 3.9kJ/mol390.1560 ±
0.0040
12596-95-1*0
Platinum hydride [Pt][H]457.1456.2± 9.2kJ/mol196.0859 ±
0.0020
13966-55-7*0
Hydrogen atom [H]-37.0-38.7± 1.1kJ/mol1.007940 ±
0.000070
12385-13-6*1000000
Hydrogen atom [H]-33.4-35.1± 1.5kJ/mol1.007940 ±
0.000070
12385-13-6*1000004
Trioxidanyl OO[O]25.3623.27± 0.13kJ/mol49.00614 ±
0.00090
12500-78-6*0
Diisocyanogen cation [C]#[N+][N+]#[C-]1838.61842.5± 3.1kJ/mol52.0343 ±
0.0016
*78800-21-2*2
Acetaldehyde CC=O-186.98-191.69± 0.29kJ/mol44.0526 ±
0.0017
75-07-0*500
Hydrogen peroxide cation O[OH+]931.04924.18± 0.98kJ/mol34.01413 ±
0.00062
12325-10-9*22
Ammonia N-78.02± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*803
Cyanoamidogen [NH]C#N657.4654.6± 2.0kJ/mol41.03212 ±
0.00082
12347-01-2*22
Nitrogen atom anion [N-]488.2490.5± 2.3kJ/mol14.007289 ±
0.000070
17778-87-9*0
Nitrogen atom dication [N+2]4728.9924731.820± 0.024kJ/mol14.005643 ±
0.000070
17439-59-7*0
Diazomethylium [CH+]=[N]=[N]1458.91456.8± 2.2kJ/mol41.03157 ±
0.00082
271249-81-1*2
Nitrogen atom trication [N+3]9306.689308.54± 0.23kJ/mol14.005094 ±
0.000070
18396-22-0*0
Oxoniumyl ion [H][O+][H]978.498975.595± 0.024kJ/mol18.01473 ±
0.00033
56583-62-1*1
Carbide [C-4]2709.52714.7± 2.7kJ/mol12.01289 ±
0.00080
12385-15-8*0
Peroxyformate C(=O)O[O-]-320.7-326.5± 1.7kJ/mol61.0174 ±
0.0012
104960-05-6*2
Diazirinylium C1=N[N+]11384.81381.2± 2.1kJ/mol41.03157 ±
0.00082
77116-26-8*2
Dioxofluorine cation [O]F[O+]1667.01664.8± 2.8kJ/mol50.99665 ±
0.00060
223566-05-0*0
Propylidene CC[CH]349.47335.71± 0.92kJ/mol42.0797 ±
0.0024
6700-78-3*1
Iminomethylimidogen cation [N]=[CH+]=[N]1677.61676.4± 2.3kJ/mol41.03157 ±
0.00082
*150296-30-3*1
Iminomethylimidogen anion [N]C=[N-]405.3402.0± 2.5kJ/mol41.03267 ±
0.00082
150296-30-3*1
1-Hydroxyethyl C[CH]O-42.82-56.25± 0.46kJ/mol45.0605 ±
0.0017
2348-46-1*0
Ammonia N-78.87± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*805
Fluorine atom pentacation [F+5]30617.630619.4± 1.8kJ/mol18.99566030 ±
0.00000050
14701-05-4*0
Trioxygen difluoride FOOOF112.5107.3± 1.1kJ/mol85.99501 ±
0.00090
16829-28-0*0
Nitrogen atom tetracation [N+4]16781.7416783.60± 0.23kJ/mol14.004546 ±
0.000070
14452-70-1*0
Ammonia N-79.33± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*807
(Iminomethyl)imidogen N=C[N]420.1413.2± 2.9kJ/mol42.04006 ±
0.00082
87570-07-8*1
Formylimidogen C(=O)[N]245.3242.1± 3.3kJ/mol43.02478 ±
0.00086
42288-92-6*2
Peroxyformyl C(=O)O[O]-90.4-95.9± 1.7kJ/mol61.0168 ±
0.0012
56240-83-6*2
Hydrogen fluoride F-321.39± 0.17kJ/mol20.006343 ±
0.000070
7664-39-3*1000
1-Methylethenylium C[C+]=C995.1986.0± 1.9kJ/mol41.0713 ±
0.0024
50457-57-3*0
Oxygen atom dication [O++]4949.4584953.000± 0.013kJ/mol15.99830 ±
0.00030
14127-63-0*0
Fluorine atom hexacation [F+6]45781.545783.3± 1.8kJ/mol18.99511172 ±
0.00000050
14701-04-3*0
1-Methylethenyl anion C[C-]=C199.3188.1± 2.0kJ/mol41.0723 ±
0.0024
65887-19-6*0
Nitrogen atom pentacation [N+5]26226.6926228.56± 0.23kJ/mol14.003997 ±
0.000070
20508-99-0*0
Acetylene C#C599.1599.0± 1.5kJ/mol26.0373 ±
0.0016
74-86-2*11
1-Propenylium CC=[CH+]1233.71223.3± 2.0kJ/mol41.0713 ±
0.0024
50457-58-4*1
1-Propenylide CC=[CH-]210.4199.3± 2.0kJ/mol41.0723 ±
0.0024
65887-20-9*1
Bromodioxy [O]OBr116.7107.7± 3.8kJ/mol111.9028 ±
0.0012
67177-47-3*0
Oxonium [OH3+]605.89599.14± 0.17kJ/mol19.02267 ±
0.00037
13968-08-6*2
Nitrogen atom hexacation [N+6]79493.0979494.96± 0.23kJ/mol14.003449 ±
0.000070
15721-56-9*0
2-Chloro ozone ClO([O])[O]265.7265.1± 3.7kJ/mol83.4509 ±
0.0013
*141801-66-3*0
Dihydrogen anion [H][H-]253.8254.7± 1.2kJ/mol2.01643 ±
0.00014
12184-89-3*0
Trihydrogen [H]1[H][H]1745.878743.094± 0.062kJ/mol3.02382 ±
0.00021
12184-91-7*1
Hydrogen fluoride F-320.70± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*805
Tetrabromomethane BrC(Br)(Br)Br59.2± 1.3kJ/mol331.6267 ±
0.0041
558-13-4*500
Fluorine atom dication [F+2]5132.4725134.257± 0.021kJ/mol18.99730604 ±
0.00000050
14701-07-6*0
Tetraiodomethane C(I)(I)(I)I392.5± 8.0kJ/mol519.62858 ±
0.00081
507-25-5*500
Bromomethane CBr-56.25-59.26± 0.21kJ/mol94.9385 ±
0.0013
74-83-9*590
Trioxirane cation O1O[O+]11444.51442.3± 2.2kJ/mol47.99765 ±
0.00090
*153851-84-4*0
Ammonia N-79.63± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*809
Fluorine atom heptacation [F+7]63649.363651.1± 1.8kJ/mol18.99456314 ±
0.00000050
14700-77-7*0
Trihydrogen cation [H]1[H+][H]11110.3041106.697± 0.013kJ/mol3.02327 ±
0.00021
28132-48-1*2
Chlorine atom tetracation [Cl+4]12615.512617.1± 4.6kJ/mol35.45051 ±
0.00090
22541-74-8*0
Nitride [N-3]1879.11881.0± 4.4kJ/mol14.008386 ±
0.000070
18851-77-9*0
Ethynylaminylium C#C[NH+]1350.61348.7± 2.5kJ/mol40.0435 ±
0.0016
103835-08-1*2
Hypochloroperoxoous acid, hydroxy ester OOOCl48.741.8± 2.5kJ/mol84.4588 ±
0.0013
928652-99-7*2
Hydrogen bromide Br-120.24± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*952
Carbon monoxide [C-]#[O+]-113.800-110.520± 0.026kJ/mol28.01010 ±
0.00085
630-08-0*2
Ethyl bromide CCBr-55.43-90.96± 0.25kJ/mol108.9651 ±
0.0019
74-96-4*500
Ammonia N-77.033± 0.056kJ/mol17.03056 ±
0.00022
7664-41-7*800
Vinyl iodide C=CI139.7130.8± 1.2kJ/mol153.9497 ±
0.0016
593-66-8*0
Ketene C=C=O-45.35-48.41± 0.11kJ/mol42.0367 ±
0.0016
463-51-4*21
Difluorovinylidene cation [C+]=C(F)F1181.61183.1± 2.3kJ/mol62.0177 ±
0.0016
268566-71-8*0
Chlorine atom [Cl]119.621121.228± 0.0011kJ/mol35.45270 ±
0.00090
22537-15-1*1
Cyclopentadiene C1C=CC=C1110.39± 0.57kJ/mol66.1011 ±
0.0040
542-92-7*590
Chloro(chlorooxy)methylene Cl[C]OCl101.1104.7± 4.8kJ/mol98.9155 ±
0.0020
479587-31-0*12
Chlorine atom pentacation [Cl+5]19147.19149.± 11.kJ/mol35.44996 ±
0.00090
20337-89-7*0
Water trimer O.O.O-762.64-776.74± 0.20kJ/mol54.04584 ±
0.00099
31014-12-7*0
mu-Oxodichlorine cation Cl[O+]Cl1130.451126.84± 0.63kJ/mol86.9043 ±
0.0018
51174-96-0*0
Chlorine atom trication [Cl+3]7487.27490.2± 3.3kJ/mol35.45105 ±
0.00090
16547-50-5*0
Hydrogen peroxide OO-129.413-135.399± 0.058kJ/mol34.01468 ±
0.00062
7722-84-1*2
1,3,5-Hexatriynylium [C+]#CC#CC#C1952.41961.3± 7.6kJ/mol73.0716 ±
0.0048
81932-75-4*2
mu-Oxodichlorate anion Cl[O-]Cl-147.8-147.7± 2.5kJ/mol86.9053 ±
0.0018
365546-30-1*0
Carbon suboxide O=C=C=C=O-131.2-116.2± 1.1kJ/mol68.0309 ±
0.0025
504-64-3*500
Fluorine atom tetracation [F+4]19594.319596.6± 1.7kJ/mol18.99620888 ±
0.00000050
14700-79-9*0
Difluorine cation F[F+]1514.3011514.475± 0.013kJ/mol37.9962578 ±
0.0000010
12184-86-0*0
Water O-286.270-292.711± 0.022kJ/mol18.01528 ±
0.00033
7732-18-5*510
m-Benzyne c1[c]ccc[c]1614.6605.2± 1.4kJ/mol76.0960 ±
0.0048
1828-89-3*1
Ammonia N-80.16± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*815
Ammonia N-80.38± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*818
Dioxaziridine N1OO1277.5270.8± 1.9kJ/mol47.01348 ±
0.00061
67394-35-8*0
Carbonic acid OC(=O)O-698.665± 0.028kJ/mol62.0248 ±
0.0012
463-79-6*1000
Methyl acetate CC(=O)OC-394.18-413.05± 0.57kJ/mol74.0785 ±
0.0025
79-20-9*0
Hydroxylamine NO-33.08-43.45± 0.42kJ/mol33.02996 ±
0.00037
7803-49-8*0
Nitrosyl nitrite anion O=NON=[O-]-100.2-103.4± 2.9kJ/mol76.01223 ±
0.00091
*122413-35-8*2
Tropylide [CH-]1C=CC=CC=C1261.5245.2± 2.0kJ/mol91.1310 ±
0.0056
34464-18-1*0
Tetraoxodinitrate anion O=N(=O)[N-](=O)=O-184.6-187.8± 2.4kJ/mol92.0116 ±
0.0012
63552-02-3*0
Ammonia N-80.45± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*850
Ethynylene [C]=[C]819.977826.550± 0.085kJ/mol24.0214 ±
0.0016
12070-15-4*2
Ammonium oxide [NH4+][O-2][NH4+]-428.46-430.45± 0.61kJ/mol52.07640 ±
0.00065
12161-77-2*500
Trihydrogen [H]1[H][H]1215.9218.3± 1.1kJ/mol3.02382 ±
0.00021
12184-91-7*100
2-Methylpentane CCCC(C)C-180.16-203.82± 0.73kJ/mol86.1754 ±
0.0049
107-83-5*500
Chlorine atom hexacation [Cl+6]28501.28503.± 11.kJ/mol35.44941 ±
0.00090
22541-73-7*0
Methyl formate COC=O-346.96-360.00± 0.65kJ/mol60.0520 ±
0.0017
107-31-3*0
Ethyl formate C(=O)OCC-375.1-393.9± 1.0kJ/mol74.0785 ±
0.0025
109-94-4*0
Ammonia N-75.73± 0.57kJ/mol17.03056 ±
0.00022
7664-41-7*801
1,2-Propadien-1-ylium-1-yl-3-ylidene [C]=C=[C+]1939.21947.1± 1.3kJ/mol36.0316 ±
0.0024
118090-85-0*0
3-Methylpentane CCC(C)CC-177.63-201.89± 0.76kJ/mol86.1754 ±
0.0049
96-14-0*500
Oxygen atom tetracation [O+4]17719.20717721.064± 0.025kJ/mol15.99721 ±
0.00030
14127-65-2*0
Ammonia N-80.22± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*855
Ammonia N-80.06± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*861
Difluorodioxidanium FO[O+]F1287.21283.0± 2.3kJ/mol69.99506 ±
0.00060
*7783-44-0*2
Hydrogen peroxide cation O[OH+]897.29890.31± 0.51kJ/mol34.01413 ±
0.00062
12325-10-9*11
Isocyanogen bromide anion [C-]=NBr105.0101.9± 4.6kJ/mol105.9220 ±
0.0013
*238754-53-5*0
Chlorine trifluoride cation F[Cl+](F)F1053.51049.2± 2.3kJ/mol92.44736 ±
0.00090
478167-77-0*0
2,3-Dimethylbutane CC(C)C(C)C-182.43-206.94± 0.81kJ/mol86.1754 ±
0.0049
79-29-8*500
Oxygen atom trication [O+3]10249.92910252.880± 0.018kJ/mol15.99775 ±
0.00030
14127-64-1*0
2,2-Dimethylbutane CCC(C)(C)C-187.93-213.64± 0.75kJ/mol86.1754 ±
0.0049
75-83-2*500
Ammonia N-80.52± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*822
Hydrogen iodide I-56.645± 0.089kJ/mol127.912410 ±
0.000076
10034-85-2*958
Acetoxy CC(=O)[O]-182.16-190.87± 0.80kJ/mol59.0440 ±
0.0017
13799-69-4*0
Fluorosyl fluoride FF[O]227.225.± 21.kJ/mol53.99621 ±
0.00030
86825-57-2*2
Succinic acid OC(=O)CCC(=O)O-918.47-940.20± 0.12kJ/mol118.0880 ±
0.0034
110-15-6*500
2-Oxo-1-ethylium-1-yl [CH+]C=O1292.01288.7± 2.4kJ/mol42.0361 ±
0.0016
214464-96-7*12
Oxoethylidene anion [CH-]C=O92.389.0± 2.3kJ/mol42.0372 ±
0.0016
106543-38-8*2
1,2-Dibromoethane C(Br)CBr-80.1± 1.2kJ/mol187.8612 ±
0.0026
106-93-4*500
Acetylene anion C#[CH-]356.9356.7± 1.9kJ/mol26.0378 ±
0.0016
50443-89-5*0
Ammonium hydroxide [NH4+].[OH-]-366.682± 0.059kJ/mol35.04584 ±
0.00047
1336-21-6*1000
1,3-Butadien-2-ol C=C(O)C=C-42.7-59.2± 2.3kJ/mol70.0898 ±
0.0032
59120-04-6*21
1,3-Butadien-2-ol C=C(O)C=C-53.4-68.7± 1.5kJ/mol70.0898 ±
0.0032
59120-04-6*1
Carbon trication [C+3]8770.9278776.073± 0.047kJ/mol12.00905 ±
0.00080
14067-06-2*0
Acrolein C=CC=O-55.17-65.26± 0.64kJ/mol56.0633 ±
0.0024
107-02-8*0
Dioxofluorine anion [O]F[O-]155.9154.4± 2.5kJ/mol50.99775 ±
0.00060
*175861-93-5*0
Bicyclo[1.1.0]buta-1,3-diene-2,4-diyl C12=[C]C2=[C]11047.121054.72± 0.68kJ/mol48.0428 ±
0.0032
12184-80-4*2
Propionic acid CCC(=O)O-435.93-453.82± 0.59kJ/mol74.0785 ±
0.0025
79-09-4*0
1-Oxo-2-propenide C=C[C-]=O83.678.6± 2.5kJ/mol55.0559 ±
0.0024
78944-75-9*2
Propadien-1-olate C=C=C[O-]1.4-4.4± 2.5kJ/mol55.0559 ±
0.0024
109686-13-7*0
1-Formylethenylium C=[C+]C=O1158.81154.2± 3.0kJ/mol55.0548 ±
0.0024
101705-89-9*1
1,3-Butadiyn-4-ylium-1-yl [C]#CC#[C+]2109.82120.5± 2.8kJ/mol48.0423 ±
0.0032
124708-46-9*0
3-Oxo-1-propenyl [CH]=CC=O190.93184.95± 0.91kJ/mol55.0553 ±
0.0024
206255-29-0*1
3-Oxo-1-propenyl [CH]=CC=O191.7185.7± 2.1kJ/mol55.0553 ±
0.0024
206255-29-0*21
Hydrazoic acid anion N=[N]=[N-]316.2310.1± 2.3kJ/mol43.02871 ±
0.00022
203264-98-6*2
2-Formylethen-1-ide [CH-]=CC=O30.523.7± 3.1kJ/mol55.0559 ±
0.0024
135924-69-5*21
1,2-Propadien-1-one cation [CH2+]=C=C=O1012.71011.3± 1.8kJ/mol54.0468 ±
0.0024
87612-93-9*0
2-Propynal cation C#[C+]C=O1168.31167.1± 1.3kJ/mol54.0468 ±
0.0024
100815-70-1*0
Hydroxylamine NO-107.47± 0.60kJ/mol33.02996 ±
0.00037
7803-49-8*500
Formylethynyl cation [C+]#CC=O1539.91541.8± 2.7kJ/mol53.0389 ±
0.0024
*85905-64-2*2
Formylethynyl cation [C+]#CC=O1540.61542.8± 2.8kJ/mol53.0389 ±
0.0024
*85905-64-2*1
2-Hydroxyethylium [CH2+]CO1024.71012.1± 2.0kJ/mol45.0600 ±
0.0017
38607-31-7*1
Carbon pentacation [C+5]52824.58952829.735± 0.050kJ/mol12.00796 ±
0.00080
14280-11-6*0
1,3-Butadiyne-1,4-diyl [C]#CC#[C]1052.221062.20± 0.64kJ/mol48.0428 ±
0.0032
78015-07-3*1
2-Propen-1-ylium-1-ylidene C=C[C+]1373.21369.6± 2.0kJ/mol39.0554 ±
0.0024
88000-25-3*0
(Hydroxyimino)methyl [CH]=NO258.8252.7± 2.0kJ/mol44.03272 ±
0.00087
206442-92-4*2
Oxygen atom heptacation [O+7]113369.48113371.34± 0.12kJ/mol15.99556 ±
0.00030
14274-89-6*0
Tribromine cation Br[Br+]Br1036.31013.6± 2.5kJ/mol239.7115 ±
0.0030
33105-86-1*0
Cyanoacetylene cation C#CC#[N+]1495.511497.81± 0.58kJ/mol51.0462 ±
0.0024
85398-68-1*0
Isocyanoacetylene cation C#C[N+]#[C]1567.81570.3± 1.3kJ/mol51.0462 ±
0.0024
145076-03-5*0
Ammonia N-80.56± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*828
Cyanoethynylium [C+]#CC#N1867.61874.3± 3.2kJ/mol50.0383 ±
0.0024
104233-69-4*0
Nitrosyl nitrate O=NO[N+](=O)[O-]60.452.5± 1.9kJ/mol92.0111 ±
0.0012
15969-55-8*2
Chlorine atom dication [Cl++]3668.4743670.081± 0.013kJ/mol35.45160 ±
0.00090
15723-23-6*0
1-Propen-1-yl-3-ylidene [CH]C=[CH]656.7653.3± 1.1kJ/mol39.0559 ±
0.0024
84654-90-0*1
3-Imino-2-propen-1-ylidene [CH]C=C=N530.6526.3± 1.2kJ/mol53.0627 ±
0.0024
916765-05-4*1
Dinitrogen dimer N#N.N#N-0.880.84± 0.67kJ/mol56.02696 ±
0.00028
154680-01-0*0
2-(Methylidyneamino)ethenyl [CH]=CN=[CH]600.7596.3± 1.2kJ/mol53.0627 ±
0.0024
123416-74-0*1
Trioxodinitrate anion O=N-[N](=O)[O-]-87.3-93.0± 2.2kJ/mol76.01223 ±
0.00091
194856-62-7*1
Tetraoxygen O=O.O=O69.865.1± 4.4kJ/mol63.9976 ±
0.0012
12596-83-7*21
Tetraoxygen O=O.O=O399.0393.4± 3.9kJ/mol63.9976 ±
0.0012
12596-83-7*23
Tetraoxygen O=O.O=O465.6459.6± 4.2kJ/mol63.9976 ±
0.0012
12596-83-7*24
Oxygen atom pentacation [O+5]28708.78828710.645± 0.053kJ/mol15.99666 ±
0.00030
14127-66-3*0
Ammonia N-80.50± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*844
Formaldehyde C=O-105.389-109.229± 0.095kJ/mol30.02598 ±
0.00087
50-00-0*21
Hydrazine monohydrate NN.O-242.57± 0.19kJ/mol50.06052 ±
0.00053
7803-57-8*500
1,2-Butadien-1-ylium-1-yl CC=C=[C+]1466.91461.7± 3.1kJ/mol52.0740 ±
0.0032
161054-21-3*0
Bicyclo[1.1.0]butan-3-id-1-yl C1[C-]2=C1C2524.6515.9± 2.6kJ/mol52.0751 ±
0.0032
131273-95-5*0
1,2-Cyclobutadiene C1C=C=C1586.0579.3± 2.2kJ/mol52.0746 ±
0.0032
50682-90-1*0
But-3-en-1-yn-1-ide C=CC#[C-]559.0558.3± 2.2kJ/mol51.0672 ±
0.0032
58870-47-6*1
Hydrazoic acid N=[N+]=[N-]257.67± 0.48kJ/mol43.02816 ±
0.00022
7782-79-8*1000
Polyoxymethylene C=O-170.85± 0.21kJ/mol30.02598 ±
0.00087
9002-81-7*500
2-Iminoethyl [CH2]C=N221.6210.3± 1.8kJ/mol42.0599 ±
0.0016
73843-90-0*1
2-Iminoethyl anion [CH2-]C=N110.6100.1± 2.3kJ/mol42.0604 ±
0.0016
73843-87-5*2
Hydrazoic acid N=[N+]=[N-]272.65± 0.48kJ/mol43.02816 ±
0.00022
7782-79-8*800
Water O-238.900-241.803± 0.022kJ/mol18.01528 ±
0.00033
7732-18-5*2
2-Iminoethylium [CH2+]C=N1108.21097.6± 2.9kJ/mol42.0594 ±
0.0016
73843-91-1*2
(E)-2-Iminoethylium [CH2+]C=N1108.21094.8± 2.9kJ/mol42.0594 ±
0.0016
91127-33-2*0
Formaldehyde C=O-171.20± 0.59kJ/mol30.02598 ±
0.00087
50-00-0*800
Fluorine atom [F]77.25479.039± 0.017kJ/mol18.99840320 ±
0.00000050
14762-94-8*1
Silicon cation [Si+]1236.901241.03± 0.59kJ/mol28.08495 ±
0.00030
14067-07-3*0
Silicon atom dication [Si++]2814.042817.02± 0.59kJ/mol28.08440 ±
0.00030
14175-55-4*0
Silicon atom trication [Si+3]6045.626048.60± 0.59kJ/mol28.08385 ±
0.00030
14175-56-5*0
(Z)-2-Iminoethylium [CH2+]C=N1151.71143.0± 3.3kJ/mol42.0594 ±
0.0016
91127-34-3*0
(Z)-2-Iminoethylium [CH2+]C=N1151.71143.0± 3.3kJ/mol42.0594 ±
0.0016
91127-34-3*11
Peroxyhypochlorous acid cation OO[Cl+]1050.81045.2± 2.5kJ/mol68.4589 ±
0.0011
*67952-07-2*2
Dioxosilane O=[Si]=O-901.5-906.3± 1.4kJ/mol60.08430 ±
0.00067
7631-86-9*515
Oxosilyliumyl [Si+]=O1022.01023.2± 2.9kJ/mol44.08435 ±
0.00042
12359-18-1*0
Methylene [CH2]391.063391.609± 0.094kJ/mol14.02658 ±
0.00081
2465-56-7*0
Ammonia N-80.58± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*833
Fluorine atom octacation [F+8]155686.5155688.3± 1.8kJ/mol18.99401456 ±
0.00000050
15721-58-1*0
Deuteride [2H-]146.991148.904± 0.0021kJ/mol2.01465035791 ±
0.00000000040
14452-69-8*0
1-Hydroperoxyethylium C[CH+]OO690.5675.6± 1.5kJ/mol61.0594 ±
0.0017
*126898-98-4*2
mu-Hydrotetrahydrodisilicon cation [SiH2+]([H-]1)[SiH2+]1981.8969.1± 2.8kJ/mol61.21015 ±
0.00069
160896-65-1*0
Di-mu-hydrotrihydrodisilicon cation [SiH2+]([H]1)[H][SiH]11033.91020.5± 2.8kJ/mol61.21015 ±
0.00069
*160896-65-1*0
Disilene anion [SiH2]=[SiH2-]178.4170.0± 3.1kJ/mol60.20331 ±
0.00066
157379-08-3*0
sec-Butylium CC[CH+]C792.6769.0± 1.5kJ/mol57.1137 ±
0.0033
16548-59-7*0
Silylsilylene anion [SiH3][SiH-]160.1151.4± 3.1kJ/mol60.20331 ±
0.00066
286949-98-2*0
Silylsilylene [SiH3][SiH]381.2372.4± 2.7kJ/mol60.20276 ±
0.00066
50420-90-1*1
mu-Hydrotrihydrodisilicon [SiH2]([H-]1)[SiH+]1317.7307.6± 2.2kJ/mol60.20276 ±
0.00066
497967-56-3*0
Propylene cation CC=[CH2+]975.14961.61± 0.18kJ/mol42.0792 ±
0.0024
34504-10-4*0
mu-Hydrotrihydrodisilicon cation [SiH3-]1[H-][Si+3]11160.01152.0± 2.6kJ/mol60.20221 ±
0.00066
*497967-55-2*0
Fluorine atom trication [F+3]11182.87211186.697± 0.032kJ/mol18.99675746 ±
0.00000050
14700-88-0*0
Peroxyhypochlorous acid anion OO[Cl-]-2.8-3.3± 2.6kJ/mol68.4600 ±
0.0011
*67952-08-3*1
Silyloxoniumylidene [SiH3][O+]1096.31090.0± 2.9kJ/mol47.10817 ±
0.00047
152720-17-7*1
Hydroxysilylium [SiH2+]O600.3591.6± 2.9kJ/mol47.10817 ±
0.00047
66639-72-3*0
Oxygen atom octacation [O+8]197447.75197449.60± 0.12kJ/mol15.99501 ±
0.00030
21450-98-6*0
1,5-Hexadiyne C#CCCC#C385.9± 1.9kJ/mol78.1118 ±
0.0048
628-16-0*500
2-Hydroperoxyethyl [CH2]COO65.051.2± 2.2kJ/mol61.0599 ±
0.0017
126898-97-3*11
Hydroxymethylene [CH]O112.68108.92± 0.27kJ/mol30.02598 ±
0.00087
19710-56-6*0
Bicyclo[3.1.0]hexa-1,3-diene C12CC1=CC=C2406.5390.9± 2.2kJ/mol78.1118 ±
0.0048
28425-23-2*0
3-Ethenylidenecyclobutene C=C=C1C=CC1406.5392.4± 2.3kJ/mol78.1118 ±
0.0048
813466-23-8*0
3,4-Hexadien-1-yne C#CC=C=CC418.6407.4± 2.6kJ/mol78.1118 ±
0.0048
194024-51-6*0
3-Ethynylcyclobutene C#CC1C=CC1421.7407.3± 2.4kJ/mol78.1118 ±
0.0048
175090-90-1*0
Deuterium molecule cation [2H][2H+]1492.2861492.361± 0.000kJ/mol4.02765497609 ±
0.00000000080
12184-84-8*0
2-Aminoethenylium [CH+]=CN1117.91106.7± 2.4kJ/mol42.0594 ±
0.0016
64724-21-6*11
Cyclopropane cation C1[CH2+]C11021.81006.3± 1.5kJ/mol42.0792 ±
0.0024
34496-93-0*0
2-Aminoethylium [CH2+]CN1042.41025.9± 2.4kJ/mol44.0752 ±
0.0017
54088-54-9*1
2-Aminoethyl anion [CH2-]CN148.8131.7± 2.1kJ/mol44.0763 ±
0.0017
71857-14-2*0
2-Aminoethenyl anion [CH-]=CN241.9231.2± 2.6kJ/mol42.0604 ±
0.0016
*64724-21-6*1
1,2-Diphenylethane c1ccccc1CCc2ccccc2180.76142.28± 0.76kJ/mol182.2610 ±
0.0112
103-29-7*0
Iodine monochloride ICl-24.048± 0.063kJ/mol162.35717 ±
0.00090
7790-99-0*590
Hydroxyoxoammoniumyl O[N+]=O1014.81008.4± 2.0kJ/mol47.01293 ±
0.00061
80371-48-8*2
2-Naphthalenylium c12ccccc1C=C[C+]=C21195.61177.7± 3.5kJ/mol127.1620 ±
0.0080
79319-69-0*0
Nitrous acid anion O[N-]=O-105.4-109.4± 1.8kJ/mol47.01403 ±
0.00061
256393-36-9*1
1-Naphthalenylium c12ccccc1C=CC=[C+]21192.71174.7± 3.4kJ/mol127.1620 ±
0.0080
79319-68-9*0
Ammonia N-80.57± 0.41kJ/mol17.03056 ±
0.00022
7664-41-7*839
Methylaminyliumyl C[N+]1388.21381.9± 2.2kJ/mol29.04071 ±
0.00083
56924-51-7*1
Biphenyl c1ccccc1c2ccccc2113.7± 1.1kJ/mol154.2078 ±
0.0096
92-52-4*590
Buckminsterfullerene Buckminsterfullerene2523.32518.7± 6.4kJ/mol720.6420 ±
0.0480
99685-96-8*0
Buckminsterfullerene Buckminsterfullerene2328.22337.7± 6.4kJ/mol720.6420 ±
0.0480
99685-96-8*500
Cyclobutatrienyl [CH]1[C][C][C]1962.0965.5± 2.4kJ/mol49.0507 ±
0.0032
*99417-52-4*0
Helium anion [He-]1904.8221904.822± 0.000kJ/mol4.0031506 ±
0.0000020
14452-58-5*3
Helium anion [He-]5724.965724.96± 0.32kJ/mol4.0031506 ±
0.0000020
14452-58-5*4
Dihelium cation [He][He+]2143.6432139.915± 0.018kJ/mol8.0046554 ±
0.0000040
12184-99-5*0
Dihelium anion [He][He-]1714.91711.2± 1.9kJ/mol8.0057526 ±
0.0000040
90188-47-9*1
Helium dihydride [He]HH-0.050.87± 0.42kJ/mol6.01848 ±
0.00014
33309-42-1*0
Helium dihydride H[He]H614.5608.9± 2.6kJ/mol6.01848 ±
0.00014
*33309-42-1*0
Dihydrohelium cation H[He+]H1572.21568.9± 2.4kJ/mol6.01793 ±
0.00014
*12500-88-8*0
Neon dication [Ne++]6032.9886033.214± 0.0041kJ/mol20.17860 ±
0.00060
14041-55-5*0
Neon trication [Ne+3]12152.40312152.403± 0.032kJ/mol20.17805 ±
0.00060
14158-25-9*0
Neon tetracation [Ne+4]21529.8221531.45± 0.25kJ/mol20.17751 ±
0.00060
14041-56-6*0
Neon pentacation [Ne+5]33711.133711.1± 1.2kJ/mol20.17696 ±
0.00060
14175-48-5*0
Neon hexacation [Ne+6]48949.348949.3± 1.3kJ/mol20.17641 ±
0.00060
14041-57-7*0
Neon heptacation [Ne+7]68948.768948.7± 1.4kJ/mol20.17586 ±
0.00060
14175-50-9*0
Neon octacation [Ne+8]92018.292018.2± 1.4kJ/mol20.17531 ±
0.00060
14782-26-4*0
Neon nonacation [Ne+9]207396.1207396.1± 1.4kJ/mol20.17476 ±
0.00060
15721-59-2*0
Formic acid C(=O)O-425.37± 0.45kJ/mol46.0254 ±
0.0010
64-18-6*1000
Sulfur atom dication [S++]3528.243531.93± 0.14kJ/mol32.0649 ±
0.0060
14127-58-3*0
Sulfur atom trication [S+3]6890.96892.9± 3.2kJ/mol32.0644 ±
0.0060
22541-72-6*0
Sulfur atom tetracation [S+4]11447.111448.9± 3.4kJ/mol32.0638 ±
0.0060
20681-10-1*0
Sulfur atom pentacation [S+5]18451.418453.2± 3.4kJ/mol32.0633 ±
0.0060
14127-59-4*0
Dioxathiirane S1-O-O1166.2163.8± 2.2kJ/mol64.0648 ±
0.0060
191663-73-7*0
Sulfur trioxide O=S(=O)=O-454.29± 0.37kJ/mol80.0642 ±
0.0061
7446-11-9*500
3-Oxidedioxathiirane O=S1OO1-127.8-132.8± 2.2kJ/mol80.0642 ±
0.0061
2243010-16-2*0
Trioxathietane S1OOO1263.7258.6± 2.3kJ/mol80.0642 ±
0.0061
*2243010-16-2*0
Oxadithiirane O1SS1136.5134.4± 2.5kJ/mol80.1314 ±
0.0120
488092-02-0*0
Sulfanylideneoxidaniumthiolate S=[O+][S-]220.9219.1± 2.0kJ/mol80.1314 ±
0.0120
401811-43-6*0
Sulfuric acid OS(=O)(=O)O-887.62± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*893
Sulfuric acid OS(=O)(=O)O-878.84-909.08± 0.14kJ/mol98.0795 ±
0.0061
7664-93-9*800
Sulfuric acid OS(=O)(=O)O-886.27± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*821
Chlorodioxidenium ClO[O+]1215.11212.9± 6.3kJ/mol67.4510 ±
0.0011
64710-10-7*0
Sulfuric acid OS(=O)(=O)O-891.17± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*835
Sulfuric acid OS(=O)(=O)O-891.54± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*837
Sulfuric acid OS(=O)(=O)O-893.34± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*840
Sulfuric acid OS(=O)(=O)O-894.29± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*841
Sulfuric acid OS(=O)(=O)O-895.75± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*842
Sulfuric acid OS(=O)(=O)O-897.78± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*844
Sulfuric acid OS(=O)(=O)O-886.44± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*906
Sulfuric acid OS(=O)(=O)O-886.83± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*823
Sulfuric acid OS(=O)(=O)O-887.18± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*826
Sulfuric acid OS(=O)(=O)O-887.32± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*827
Sulfuric acid OS(=O)(=O)O-891.36± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*836
Sulfuric acid OS(=O)(=O)O-892.79± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*954
Sulfuric acid OS(=O)(=O)O-898.51± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*845
Sulfuric acid OS(=O)(=O)O-899.43± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*847
Sulfuric acid OS(=O)(=O)O-899.69± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*848
Sulfuric acid OS(=O)(=O)O-900.15± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*849
Sulfuric acid monohydrate OS(=O)(=O)O.O-1126.25-1127.40± 0.14kJ/mol116.0948 ±
0.0062
10193-30-3*500
Sulfuric acid dihydrate OS(=O)(=O)O.O.O-1422.06-1426.85± 0.15kJ/mol134.1100 ±
0.0063
13451-10-0*500
Sulfuric acid trihydrate OS(=O)(=O)O.O.O.O-1716.00-1720.12± 0.16kJ/mol152.1253 ±
0.0064
40835-65-2*500
Sulfuric acid tetrahydrate OS(=O)(=O)O.O.O.O.O-2006.85-2010.88± 0.17kJ/mol170.1406 ±
0.0065
37006-20-5*500
Tribromide Br[Br-]Br-129.18± 0.22kJ/mol239.7125 ±
0.0030
14522-80-6*800
Carbon hexacation [C+6]100101.743100106.890± 0.050kJ/mol12.00741 ±
0.00080
16249-02-8*0
Isocyanogen cation [C]#[N+]C#N1654.11656.5± 1.4kJ/mol52.0343 ±
0.0016
133415-63-1*0
Isocyanic fluoride cation [C+]=NF1618.11618.7± 4.0kJ/mol45.01529 ±
0.00080
*16992-26-0*0
Hydrogen iodide I-56.522± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*840
Phosgene cation O=[C+](Cl)Cl897.0896.0± 1.7kJ/mol98.9150 ±
0.0020
73249-38-4*0
Phosgene O=C(Cl)Cl-242.79± 0.25kJ/mol98.9155 ±
0.0020
75-44-5*501
Phosgene O=C(Cl)Cl-255.49-242.79± 0.25kJ/mol98.9155 ±
0.0020
75-44-5*502
Hydrogen fluoride F-322.27± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*832
Chloro(chlorooxy)methylene Cl[C]OCl73.573.9± 3.6kJ/mol98.9155 ±
0.0020
479587-31-0*0
Chloro(chlorooxy)methylene Cl[C]OCl98.105.± 15.kJ/mol98.9155 ±
0.0020
479587-31-0*1
Acetic acid CC(=O)O-484.80± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*834
Chlorine pentafluoride cation F[Cl+](F)(F)(F)F1005.9996.9± 3.2kJ/mol130.44417 ±
0.00090
478167-78-1*0
Hypobromous acid cation O[Br+]975.25964.63± 0.54kJ/mol96.9108 ±
0.0010
154804-02-1*0
Propylidene CC[CH]349.7335.9± 2.0kJ/mol42.0797 ±
0.0024
6700-78-3*12
Chlorohydroxymethylene Cl[C]OH14.411.5± 3.2kJ/mol64.4707 ±
0.0012
147723-60-2*2
Chlorohydroxymethylene Cl[C]OH14.011.3± 2.5kJ/mol64.4707 ±
0.0012
147723-60-2*0
Hydrogen iodide I-56.764± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*855
(Chlorooxy)methylene H[C]OCl155.5155.3± 3.7kJ/mol64.4707 ±
0.0012
331419-80-8*1
(Chlorooxy)methylene H[C]OCl119.2117.9± 2.7kJ/mol64.4707 ±
0.0012
331419-80-8*0
Acetic acid CC(=O)O-484.80± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*835
Acetic acid CC(=O)O-484.80± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*837
Chloroformyl anion O=[C][Cl-]-356.5-352.9± 3.3kJ/mol63.4633 ±
0.0012
41976-93-6*0
Acetic acid CC(=O)O-484.81± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*838
Acetic acid CC(=O)O-484.81± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*839
Nitrogen atom [N]700.553702.456± 0.023kJ/mol14.006740 ±
0.000070
17778-88-0*2
Ethenol C=CO-113.38-123.72± 0.38kJ/mol44.0526 ±
0.0017
557-75-5*0
1,3-Butadienylium C=CC=[CH+]1133.61123.6± 2.5kJ/mol53.0820 ±
0.0032
86181-69-3*0
Hydrogen iodide I-56.321± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*832
Dicarbon monoxide [C]=C=O377.12381.16± 0.83kJ/mol40.0208 ±
0.0016
12071-23-7*0
Acetic acid CC(=O)O-484.82± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*841
2-Iodoethanol ICCO-131.9-150.1± 2.5kJ/mol171.9650 ±
0.0017
624-76-0*0
Hydrogen fluoride F-322.58± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*837
Acetic acid CC(=O)O-484.70± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*844
Nitrilomethylimidogen [N]C=[N]581.6578.4± 1.5kJ/mol41.03212 ±
0.00082
324529-58-0*0
1,3,5-Hexatriyne cation C#CC#CC#[CH+]1600.81605.4± 2.8kJ/mol74.0795 ±
0.0048
61866-06-6*0
Diazenide N#N.[H-]175.6176.7± 1.6kJ/mol29.02197 ±
0.00016
71004-29-0*0
Iminomethylimidogen anion [N]C=[N-]401.9400.0± 2.3kJ/mol41.03267 ±
0.00082
150296-30-3*0
Acetic acid CC(=O)O-484.84± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*850
Acetic acid CC(=O)O-484.85± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*852
1,3,5-Hexatriynylium [C+]#CC#CC#C1924.31933.4± 8.4kJ/mol73.0716 ±
0.0048
81932-75-4*1
Ethoxyethene C=COCC-111.5-135.4± 2.3kJ/mol72.1057 ±
0.0033
109-92-2*21
Acetic acid CC(=O)O-484.86± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*855
Acetic acid CC(=O)O-484.87± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*861
1-Hydroxyethylidene C[C]O57.3747.06± 0.77kJ/mol44.0526 ±
0.0017
30967-49-8*2
Isocyanic fluoride anion [C-]=NF74.175.7± 5.7kJ/mol45.01639 ±
0.00080
357426-78-9*0
Hydrogen fluoride F-325.00± 0.17kJ/mol20.006343 ±
0.000070
7664-39-3*847
Ammonium hydroxide [NH4+].[OH-]-366.26± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*820
Oxonium [OH3+]605.95599.14± 0.17kJ/mol19.02267 ±
0.00037
13968-08-6*1
Hydrogen fluoride F-323.40± 0.12kJ/mol20.006343 ±
0.000070
7664-39-3*841
1-Hydroxyethylidene C[C]O57.3747.06± 0.77kJ/mol44.0526 ±
0.0017
30967-49-8*0
Hydroperoxyimidogen OO[N]111.9109.0± 2.8kJ/mol47.01348 ±
0.00061
877456-58-1*2
Diiodine cation I[I+]963.523960.408± 0.018kJ/mol253.808391 ±
0.000060
28712-14-3*0
2-Propenylidene [CH]C=C417.5410.5± 1.5kJ/mol40.0639 ±
0.0024
19527-08-3*1
2-Propenylidene [CH]C=C417.5410.5± 1.5kJ/mol40.0639 ±
0.0024
19527-08-3*0
Ammonium hydroxide [NH4+].[OH-]-366.13± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*817
Hydrogen fluoride F-326.67± 0.17kJ/mol20.006343 ±
0.000070
7664-39-3*852
2-Propenylidene [CH]C=C419.1411.5± 2.3kJ/mol40.0639 ±
0.0024
19527-08-3*12
Ethoxyethene C=COCC-111.0-133.2± 2.6kJ/mol72.1057 ±
0.0033
109-92-2*1
Hydrogen fluoride F-322.18± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*831
1,1-Ethenediol C=C(O)O-307.65-320.19± 0.83kJ/mol60.0520 ±
0.0017
10375-04-9*0
COC vdW [C]=O.[C]589.7598.4± 1.5kJ/mol40.0208 ±
0.0016
*12071-24-8*0
Methylaminyliumyl C[N+]1388.21381.9± 2.2kJ/mol29.04071 ±
0.00083
56924-51-7*0
1,1-Ethenediol C=C(O)O-302.4-315.8± 1.9kJ/mol60.0520 ±
0.0017
10375-04-9*2
Hydrogen iodide I-56.555± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*841
1,1-Ethenediol C=C(O)O-296.1-309.3± 1.9kJ/mol60.0520 ±
0.0017
10375-04-9*3
Glycolaldehyde C(=O)CO-304.43-317.47± 0.89kJ/mol60.0520 ±
0.0017
141-46-8*0
Isocyanic acid anion [NH-]=C=O-54.2-57.4± 3.0kJ/mol43.02533 ±
0.00086
*444010-28-0*0
Formic acid C(=O)O-425.35± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*834
Formic acid C(=O)O-425.35± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*835
Formic acid C(=O)O-425.35± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*837
O--HH Complex [H][H].[O]247.2248.2± 2.0kJ/mol18.01528 ±
0.00033
*7732-18-5*102
Acetylide [C-]=[C-]843.0849.5± 3.2kJ/mol24.0225 ±
0.0016
34846-56-5*0
Formic acid C(=O)O-425.35± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*838
1H-Diazirin-3-ylium N1N=[C+]11527.21523.7± 2.0kJ/mol41.03157 ±
0.00082
735234-64-7*0
1H-diazirin-3-ide N1N=[C-]1379.8376.6± 2.0kJ/mol41.03267 ±
0.00082
*735234-64-7*0
Cyclopentadienide [CH-]1C=CC=C1100.887.9± 1.1kJ/mol65.0937 ±
0.0040
12127-83-2*0
Formic acid C(=O)O-425.36± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*839
Hydrogen fluoride F-322.51± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*835
Propylidene CC[CH]355.7340.7± 2.0kJ/mol42.0797 ±
0.0024
6700-78-3*2
Formic acid C(=O)O-425.36± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*841
trans-Cycloheptene C1CCC=CCC1141.9103.9± 1.9kJ/mol96.1702 ±
0.0057
45509-99-7*0
Oxide [O-2]651.653.± 15.kJ/mol16.00050 ±
0.00030
16833-27-5*0
Perchloric acid cation O[Cl+](=O)(=O)=O1190.21180.6± 3.3kJ/mol100.4577 ±
0.0015
91712-47-9*0
Formic acid C(=O)O-425.37± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*844
Cyanogen chloride cation N#C[Cl+]1326.211327.54± 0.95kJ/mol61.4696 ±
0.0012
37612-72-9*0
Cyanic acid cation [OH+]C#N1135.71133.2± 2.9kJ/mol43.02423 ±
0.00086
59780-31-3*0
Propylidene CC[CH]362.8347.4± 2.8kJ/mol42.0797 ±
0.0024
6700-78-3*22
Cyanogen chloride anion N#C[Cl-]46.851.2± 3.1kJ/mol61.4707 ±
0.0012
12281-43-5*0
Hydrogen iodide I-56.358± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*833
Hydrobromate ion [BrH-]-5.5-12.0± 4.3kJ/mol80.9125 ±
0.0010
85532-97-4*0
Carbon dianion [C-2]1027.51033.0± 4.9kJ/mol12.01180 ±
0.00080
50802-47-6*0
Hydrogen chloride Cl-161.148± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*815
C=O-C cation [C]=[O+][C]1585.81592.9± 2.7kJ/mol40.0203 ±
0.0016
83483-98-1*0
Hydrogen bromide Br-119.98± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*833
Formic acid C(=O)O-425.37± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*850
Methoxymethylene CO[CH]129.15118.64± 0.78kJ/mol44.0526 ±
0.0017
19527-10-7*2
Methanediimine cation N=[C+]=N1137.81135.6± 2.2kJ/mol42.03951 ±
0.00082
1189338-16-6*0
Oxirane C1OC1-77.27-77.94± 0.62kJ/mol44.0526 ±
0.0017
75-21-8*500
Methanediimine cation N=[C+]=N1139.01136.2± 3.2kJ/mol42.03951 ±
0.00082
1189338-16-6*1
Hydrogen iodide I-56.045± 0.097kJ/mol127.912410 ±
0.000076
10034-85-2*828
Peroxyformyl C(=O)O[O]-100.43-105.53± 0.67kJ/mol61.0168 ±
0.0012
56240-83-6*0
Phenol cation c1ccc(cc1)[OH+]746.17727.37± 0.64kJ/mol94.1107 ±
0.0048
40932-22-7*0
Phenol anion c1ccc(cc1)[OH-]22.87.8± 4.9kJ/mol94.1118 ±
0.0048
38752-11-3*0
Hydrogen chloride Cl-166.403± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*833
Ammonium hydroxide [NH4+].[OH-]-366.34± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*842
Hydrogen fluoride F-328.59± 0.17kJ/mol20.006343 ±
0.000070
7664-39-3*855
Peroxyformate C(=O)O[O-]-340.95-346.40± 0.80kJ/mol61.0174 ±
0.0012
104960-05-6*0
1-Methoxyethenol C=C(O)OC-284.3-302.8± 1.2kJ/mol74.0785 ±
0.0025
4453-91-2*0
Hydrogen chloride Cl-162.010± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*816
Benzaldehyde cation c1ccc(cc1)C=[O+]896.4879.7± 1.8kJ/mol106.1214 ±
0.0056
80226-59-1*0
Benzaldehyde anion c1ccc(cc1)C=[O-]-55.6-73.3± 2.7kJ/mol106.1225 ±
0.0056
34473-57-9*0
2-Hydroxyethyl [CH2]CO-13.01-26.28± 0.49kJ/mol45.0605 ±
0.0017
4422-54-2*0
Oxirene C1=CO1273.17271.01± 0.92kJ/mol42.0367 ±
0.0016
157-18-6*0
Oxirene C1=CO1387.9384.5± 1.3kJ/mol42.0367 ±
0.0016
157-18-6*1
Benzoyl anion c1ccc(cc1)[C-]=O69.657.0± 4.0kJ/mol105.1145 ±
0.0056
78944-74-8*0
Hydrogen iodide I-56.580± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*898
Trihydrogen [H]1[H][H]1477.4474.7± 2.3kJ/mol3.02382 ±
0.00021
12184-91-7*201
Hypochloroperoxoous acid, hydroxy ester OOOCl48.441.6± 1.8kJ/mol84.4588 ±
0.0013
928652-99-7*0
Isocyanogen chloride cation [C]=N[Cl+]1481.01482.2± 3.9kJ/mol61.4696 ±
0.0012
956475-91-5*0
Hydrogen chloride Cl-162.855± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*817
Methoxymethylene CO[CH]129.15118.64± 0.78kJ/mol44.0526 ±
0.0017
19527-10-7*0
Tetraoxidanyl OOO[O]76.769.5± 6.1kJ/mol65.0055 ±
0.0012
69696-93-1*1
Hydrogen bromide Br-120.25± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*957
Hydrogen bromide Br-119.87± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*831
Hydrogen fluoride F-321.83± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*887
Formic acid C(=O)O-425.38± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*852
m-Tolualdehyde Cc1cccc(c1)C=O-125.6± 1.3kJ/mol120.1485 ±
0.0064
620-23-5*500
Imidogen [NH]509.34509.39± 0.17kJ/mol15.014680 ±
0.000099
13774-92-0*2
Hydrogen chloride Cl-166.885± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*852
Hydrogen iodide I-56.392± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*834
Hydrogen bromide Br-71.67± 0.13kJ/mol80.9119 ±
0.0010
10035-10-6*801
Isocyanogen chloride anion [C]=N[Cl-]102.9107.4± 3.9kJ/mol61.4707 ±
0.0012
923019-39-0*0
Hydrogen fluoride F-330.14± 0.17kJ/mol20.006343 ±
0.000070
7664-39-3*861
Hydrogen fluoride F-323.84± 0.12kJ/mol20.006343 ±
0.000070
7664-39-3*842
Ethynol cation C#[C+]O1063.81061.2± 2.9kJ/mol42.0361 ±
0.0016
84005-02-7*0
Hydrogen peroxide cation O[OH+]897.29890.31± 0.51kJ/mol34.01413 ±
0.00062
12325-10-9*0
Ethynol anion C#[C-]O163.5165.0± 3.3kJ/mol42.0372 ±
0.0016
864971-50-6*0
Cyanic acid anion [OH-]C#N-9.2-9.6± 3.1kJ/mol43.02533 ±
0.00086
58199-47-6*0
Hexafluorobenzene cation Fc1c(F)c(F)c(F)c(F)c1[F+]13.679.88± 0.87kJ/mol186.0541 ±
0.0048
34528-23-9*0
1-Hydroxy-2-propanone CC(=O)CO-354.54-373.87± 0.84kJ/mol74.0785 ±
0.0025
116-09-6*0
Hydrogen iodide I-56.195± 0.097kJ/mol127.912410 ±
0.000076
10034-85-2*830
Formic acid C(=O)O-425.39± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*855
Formic acid C(=O)O-425.42± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*861
Nitric acid O[N+](=O)[O-]-206.29± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*841
Trioxodinitrate anion O=N-[N](=O)[O-]-104.2-107.5± 1.9kJ/mol76.01223 ±
0.00091
194856-62-7*0
Formic acid C(=O)O-425.19± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*818
Trihydrogen [H]1[H][H]1745.878743.199± 0.062kJ/mol3.02382 ±
0.00021
12184-91-7*0
Hydrogen iodide I-55.806± 0.096kJ/mol127.912410 ±
0.000076
10034-85-2*822
Cyanogen bromide cation N#C[Br+]1331.31325.0± 1.4kJ/mol105.9209 ±
0.0013
34749-77-4*0
Hydrodioxonitrogen cation [NH+](=O)[O]1130.01123.4± 3.0kJ/mol47.01293 ±
0.00061
252986-76-8*0
Dioxyamidogen [NH-][O+]=O251.2244.6± 2.5kJ/mol47.01348 ±
0.00061
71843-95-3*1
3-Diaziridinylidene [C]1NN1521.8515.0± 1.5kJ/mol42.04006 ±
0.00082
85513-79-7*0
2-Propene-1,2-diol C=C(O)CO-295.5-314.5± 1.2kJ/mol74.0785 ±
0.0025
44169-27-9*0
Ethynol C#CO406.4403.2± 3.2kJ/mol42.0367 ±
0.0016
32038-79-2*12
Ethynol C#CO409.4406.3± 3.2kJ/mol42.0367 ±
0.0016
32038-79-2*13
Trihydrogen cation [H]1[H+][H]11110.5771106.695± 0.013kJ/mol3.02327 ±
0.00021
28132-48-1*1
Hydrogen bromide Br-120.07± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*837
Isocyanogen bromide cation [C]=N[Br+]1470.01464.2± 5.9kJ/mol105.9209 ±
0.0013
238754-53-5*0
Ethynol C#CO455.5452.2± 3.2kJ/mol42.0367 ±
0.0016
32038-79-2*14
Ethynol C#CO464.2460.9± 3.2kJ/mol42.0367 ±
0.0016
32038-79-2*15
Hydrogen fluoride F-324.15± 0.14kJ/mol20.006343 ±
0.000070
7664-39-3*843
Carbonylmethyloxonium CO[C+]=O561.2552.9± 3.0kJ/mol59.0435 ±
0.0017
24434-00-2*0
2-Cyclopropyn-1-ylidene C1=C=C=1898.4905.3± 1.5kJ/mol36.0321 ±
0.0024
102508-15-6*0
Pyridiniumyl c1cc[n+]cc11051.331035.38± 0.61kJ/mol79.0994 ±
0.0040
16399-94-3*0
Pyridine anion C1=C[CH][N-]C=C1214.4200.9± 3.2kJ/mol79.1005 ±
0.0040
12169-63-0*0
1,2-Propadien-1-yl-3-ylidene anion [C]=C=[C-]621.7629.1± 1.3kJ/mol36.0326 ±
0.0024
109292-47-9*1
Hydrogen bromide Br-120.17± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*840
Methoxyoxomethyl CO[C]=O-152.8-160.5± 1.2kJ/mol59.0440 ±
0.0017
16481-04-2*0
3-Diaziridinylidene [C]1NN1537.0530.3± 2.0kJ/mol42.04006 ±
0.00082
85513-79-7*2
Acetone enol C=C(O)C-151.34-168.15± 0.68kJ/mol58.0791 ±
0.0025
29456-04-0*0
Acetone enol C=C(O)C-145.3-162.6± 1.9kJ/mol58.0791 ±
0.0025
29456-04-0*2
Hydrogen chloride Cl-166.922± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*855
3-Diaziridinylidene cation [C+]1NN11479.71473.7± 2.4kJ/mol42.03951 ±
0.00082
*85513-79-7*0
3-Diaziridinylidene cation [C+]1NN11497.21491.7± 3.1kJ/mol42.03951 ±
0.00082
*85513-79-7*2
Hydrogen bromide Br-92.67± 0.13kJ/mol80.9119 ±
0.0010
10035-10-6*803
1-Propen-2-ol-1-yl CC(O)=[CH]101.5890.22± 0.87kJ/mol57.0712 ±
0.0024
1976041-84-5*0
1-Propen-2-ol-1-yl CC(O)=[CH]106.594.5± 1.9kJ/mol57.0712 ±
0.0024
1976041-84-5*12
1-Propen-2-ol-1-yl CC(O)=[CH]114.0102.8± 1.9kJ/mol57.0712 ±
0.0024
1976041-84-5*21
1-Propen-2-ol-1-yl CC(O)=[CH]115.1104.3± 1.9kJ/mol57.0712 ±
0.0024
1976041-84-5*22
Hydrogen iodide I-56.074± 0.096kJ/mol127.912410 ±
0.000076
10034-85-2*892
Methoxyoxomethyl CO[C]=O-151.9-160.0± 2.1kJ/mol59.0440 ±
0.0017
16481-04-2*3
Ammonium hydroxide [NH4+].[OH-]-366.31± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*821
Hydrogen chloride Cl-166.430± 0.024kJ/mol36.46064 ±
0.00090
7647-01-0*895
1-Methylethylidene C[C]C316.00303.10± 0.97kJ/mol42.0797 ±
0.0024
40852-89-9*0
Nitric acid O[N+](=O)[O-]-206.41± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*850
Acetyloxoniumylidene CC(=O)[O+]892.3883.8± 2.9kJ/mol59.0435 ±
0.0017
67057-47-0*1
Water dimer cation O.[OH2+]556.9546.4± 3.0kJ/mol36.03001 ±
0.00066
158061-35-9*0
Hydrogen fluoride F-322.00± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*825
Oxiranylidene C1[C]O1213.5209.2± 1.4kJ/mol42.0367 ±
0.0016
50983-85-2*0
Methyl nitrite CON=O-52.41-64.37± 0.89kJ/mol61.0401 ±
0.0010
624-91-9*1
Methyl nitrite CON=O-88.76± 0.55kJ/mol61.0401 ±
0.0010
624-91-9*500
Dichlorine cation Cl[Cl+]1108.3071108.286± 0.0062kJ/mol70.9049 ±
0.0018
12595-90-3*0
Hydrogen chloride Cl-166.336± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*832
Ethyl nitrite CCON=O-80.2-98.4± 1.9kJ/mol75.0666 ±
0.0017
109-95-5*2
Ethyl nitrite CCON=O-78.1-97.1± 1.9kJ/mol75.0666 ±
0.0017
109-95-5*3
Hydrogen bromide Br-102.21± 0.13kJ/mol80.9119 ±
0.0010
10035-10-6*805
Propyl nitrite CCCON=O-95.9-119.7± 1.8kJ/mol89.0932 ±
0.0025
543-67-9*0
Propyl nitrite CCCON=O-95.5-120.2± 2.5kJ/mol89.0932 ±
0.0025
543-67-9*2
Propyl nitrite CCCON=O-95.7-120.2± 2.5kJ/mol89.0932 ±
0.0025
543-67-9*3
Propyl nitrite CCCON=O-94.9-119.5± 2.5kJ/mol89.0932 ±
0.0025
543-67-9*4
Propyl nitrite CCCON=O-94.8-119.1± 2.5kJ/mol89.0932 ±
0.0025
543-67-9*5
Propyl nitrite CCCON=O-93.0-117.9± 2.5kJ/mol89.0932 ±
0.0025
543-67-9*6
Propyl nitrite CCCON=O-92.7-117.8± 2.5kJ/mol89.0932 ±
0.0025
543-67-9*7
Propyl nitrite CCCON=O-91.3-116.2± 2.8kJ/mol89.0932 ±
0.0025
543-67-9*8
1,2-Dibromoethene C(Br)=CBr121.3101.1± 2.0kJ/mol185.8453 ±
0.0026
540-49-8*0
Nitric acid O[N+](=O)[O-]-205.69± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*817
Peroxychlorous acid O=ClOO101.595.4± 3.6kJ/mol84.4588 ±
0.0013
177778-92-6*3
Diatomic bromine cation Br[Br+]1060.341045.39± 0.23kJ/mol159.8075 ±
0.0020
12595-71-0*0
Iminomethyl [CH]=N275.79272.19± 0.56kJ/mol28.03332 ±
0.00082
15691-95-9*0
2,2,4-Trimethylpentane CC(C)CC(C)(C)C-171.0-223.5± 1.5kJ/mol114.2285 ±
0.0065
540-84-1*0
Propylidene CC[CH]349.47335.79± 0.92kJ/mol42.0797 ±
0.0024
6700-78-3*0
(Iminomethyl)imidogen N=C[N]420.1413.2± 2.9kJ/mol42.04006 ±
0.00082
87570-07-8*0
1,3-Propanediyl [CH2]C[CH2]319.2307.8± 1.3kJ/mol42.0797 ±
0.0024
32458-33-6*0
(Iminomethyl)imidogen N=C[N]430.4423.5± 3.3kJ/mol42.04006 ±
0.00082
87570-07-8*12
Acetate CC(=O)[O-]-485.10± 0.27kJ/mol59.0446 ±
0.0017
71-50-1*800
Dinitrogen tetraoxide O=N(=O)N(=O)=O-37.84-26.99± 0.19kJ/mol92.0111 ±
0.0012
10544-72-6*500
Cyanogen iodide cation I[C+]#N1271.31271.1± 1.7kJ/mol152.92136 ±
0.00080
34749-78-5*0
Hydrogen chloride Cl-165.977± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*829
Hydrogen bromide Br-120.21± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*841
Isofulminic acid cation [OH+][N+]#[C-]1376.91374.9± 2.9kJ/mol43.02423 ±
0.00086
117800-60-9*0
(Formyloxy)methyl O=CO[CH2]-151.4-159.5± 1.1kJ/mol59.0440 ±
0.0017
3122-12-1*0
Diisocyanogen cation [C]#[N+][N+]#[C-]1825.31828.5± 3.2kJ/mol52.0343 ±
0.0016
*78800-21-2*0
Formylimidogen C(=O)[N]245.2242.1± 4.6kJ/mol43.02478 ±
0.00086
42288-92-6*1
Carboxymethyl [CH2]C(=O)O-226.7-236.5± 1.1kJ/mol59.0440 ±
0.0017
2887-46-9*0
1,1-Dibromoethane CC(Br)Br-67.1± 1.3kJ/mol187.8612 ±
0.0026
557-91-5*500
Oxoiodonium I[O+]1066.11064.1± 1.9kJ/mol142.90332 ±
0.00030
81182-81-2*0
Hydrazine anion N[NH2-]232.3217.9± 4.1kJ/mol32.04579 ±
0.00031
65391-88-0*0
Trihydrogen [H]1[H][H]1254.5250.7± 1.2kJ/mol3.02382 ±
0.00021
12184-91-7*200
2-Methoxy-2-oxoethyl [CH2]C(=O)OC-203.0-218.2± 1.5kJ/mol73.0706 ±
0.0025
54668-31-4*0
3-Buten-2-one CC(=O)C=C-95.39-110.93± 0.85kJ/mol70.0898 ±
0.0032
78-94-4*0
Hydrogen chloride Cl-166.947± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*861
3-Buten-2-one CC(=O)C=C-93.8-109.9± 1.6kJ/mol70.0898 ±
0.0032
78-94-4*2
Hydrogen fluoride F-324.44± 0.14kJ/mol20.006343 ±
0.000070
7664-39-3*844
1,3-Butadien-2-ol C=C(O)C=C-48.1-64.3± 2.3kJ/mol70.0898 ±
0.0032
59120-04-6*12
Cyanoamidogen [NH]C#N322.70320.21± 0.63kJ/mol41.03212 ±
0.00082
12347-01-2*0
1,3-Butadien-2-ol C=C(O)C=C-37.9-54.3± 2.3kJ/mol70.0898 ±
0.0032
59120-04-6*22
Cyclopropane C1CC141.4935.80± 0.47kJ/mol42.0797 ±
0.0024
75-19-4*500
1,3-Butadien-2-ol C=C(O)C=C-42.7-58.7± 2.3kJ/mol70.0898 ±
0.0032
59120-04-6*2
1,3-Butadien-2-ol C=C(O)C=C-53.4-68.3± 1.5kJ/mol70.0898 ±
0.0032
59120-04-6*0
Iminomethide [CH-]=N237.3233.6± 1.8kJ/mol28.03387 ±
0.00082
90623-30-6*0
Water O-286.272-285.799± 0.022kJ/mol18.01528 ±
0.00033
7732-18-5*499
Hydrogen fluoride F-322.02± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*828
Chlorine trifluoride anion F[Cl-](F)F-480.4-481.9± 3.5kJ/mol92.44846 ±
0.00090
184289-50-7*0
(Acetyloxy)methyl CC(=O)O[CH2]-200.2-213.9± 1.5kJ/mol73.0706 ±
0.0025
2887-49-2*0
Carbonate [O-]C(=O)[O-]-675.158± 0.053kJ/mol60.0100 ±
0.0012
3812-32-6*800
Carbon [C]1114.9521120.099± 0.040kJ/mol12.01070 ±
0.00080
7440-44-0*3
Acrolein cation C=CC=[O+]919.96910.00± 0.79kJ/mol56.0627 ±
0.0024
84005-05-0*0
Acrolein cation C=CC=[O+]930.8920.9± 1.9kJ/mol56.0627 ±
0.0024
84005-05-0*2
Acrolein anion C=C[CH][O-]-71.8-81.3± 3.1kJ/mol56.0638 ±
0.0024
23555-87-5*0
Acrolein anion C=C[CH][O-]-68.0-78.0± 3.5kJ/mol56.0638 ±
0.0024
23555-87-5*1
Hydrogen bromide Br-120.40± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*852
Cyanoamidogen [NH]C#N652.4650.3± 1.2kJ/mol41.03212 ±
0.00082
12347-01-2*2
Oxoethylidene [CH]C=O261.1258.3± 1.1kJ/mol42.0367 ±
0.0016
39920-84-8*0
Bicyclo[1.1.0]buta-1,3-diene-2,4-diyl C12=[C]C2=[C]11133.11140.9± 2.7kJ/mol48.0428 ±
0.0032
12184-80-4*1
Propyn-1-ol cation CC#[C+]O959.9951.7± 3.0kJ/mol56.0627 ±
0.0024
84005-04-9*0
Formic acid C(=O)O-425.34± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*832
2-Methyloxirene CC1=CO1344.1334.8± 1.8kJ/mol56.0633 ±
0.0024
2835-41-8*1
2-Methyloxirene CC1=CO1346.7336.8± 2.5kJ/mol56.0633 ±
0.0024
2835-41-8*12
Oxooxoniumylmethoxy [O]C(=O)[O+]1178.01177.3± 5.7kJ/mol60.0084 ±
0.0012
952586-28-6*0
Formic acid C(=O)O-425.20± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*819
Trichlorine cation Cl[Cl+]Cl1056.61055.5± 1.4kJ/mol106.3576 ±
0.0027
33088-85-6*0
Nitrosodioxaziridine O=NN1OO1415.3409.5± 2.8kJ/mol76.01168 ±
0.00091
132871-99-9*3
Difluorodioxidanium FO[O+]F1283.71280.1± 2.3kJ/mol69.99506 ±
0.00060
*7783-44-0*0
Acryloyl C=C[C]=O101.196.3± 1.4kJ/mol55.0553 ±
0.0024
72241-20-4*0
Acryloyl C=C[C]=O101.195.9± 1.4kJ/mol55.0553 ±
0.0024
72241-20-4*1
Acryloyl C=C[C]=O109.5103.8± 5.7kJ/mol55.0553 ±
0.0024
72241-20-4*12
1-Oxo-2-propenylium C=C[C+]=O772.8765.9± 3.0kJ/mol55.0548 ±
0.0024
35335-83-2*0
1-Oxo-2-propenylium C=C[C+]=O1036.11030.7± 3.9kJ/mol55.0548 ±
0.0024
35335-83-2*1
1-Oxo-2-propenide C=C[C-]=O50.746.0± 2.6kJ/mol55.0559 ±
0.0024
78944-75-9*0
Hydrogen bromide Br-110.69± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*809
2-Oxo-1-ethylium-1-yl [CH+]C=O1289.41286.7± 2.5kJ/mol42.0361 ±
0.0016
214464-96-7*1
Nitrosyl nitrite anion O=NON=[O-]-103.0-106.1± 2.8kJ/mol76.01223 ±
0.00091
*122413-35-8*0
1-Formylethenylium C=[C+]C=O1023.51018.0± 2.3kJ/mol55.0548 ±
0.0024
101705-89-9*0
Oxoethylidene anion [CH-]C=O86.984.2± 2.1kJ/mol42.0372 ±
0.0016
106543-38-8*0
1,2,4-Trioxolane O1COOC1-209.7-227.9± 3.1kJ/mol76.0514 ±
0.0019
289-14-5*0
Dichloromethylene Cl[C]Cl229.86231.04± 0.64kJ/mol82.9161 ±
0.0020
1605-72-7*0
3-Oxo-1-propenyl [CH]=CC=O190.93185.39± 0.91kJ/mol55.0553 ±
0.0024
206255-29-0*0
Cyanoaminylium [NH+]C#N1363.11360.8± 1.3kJ/mol41.03157 ±
0.00082
205443-18-1*0
3-Oxo-1-propenyl [CH]=CC=O191.7185.9± 2.1kJ/mol55.0553 ±
0.0024
206255-29-0*2
Ethoxyethene C=COCC-108.9-132.1± 2.3kJ/mol72.1057 ±
0.0033
109-92-2*11
3-Oxo-1-propenyl [CH]=CC=O201.3195.5± 2.0kJ/mol55.0553 ±
0.0024
206255-29-0*22
3-Oxo-1-propenyl [CH]=CC=O206.0200.2± 2.0kJ/mol55.0553 ±
0.0024
206255-29-0*12
3-Oxo-1-propenylium [CH+]=CC=O1005.11002.8± 2.4kJ/mol55.0548 ±
0.0024
101705-90-2*0
3-Oxo-1-propenylium [CH+]=CC=O1185.61179.9± 3.0kJ/mol55.0548 ±
0.0024
101705-90-2*1
Hydrogen iodide I-56.450± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*838
3-Oxo-1-propenylium [CH+]=CC=O1185.61179.8± 3.0kJ/mol55.0548 ±
0.0024
101705-90-2*11
3-Oxo-1-propenylium [CH+]=CC=O1197.71192.4± 3.4kJ/mol55.0548 ±
0.0024
101705-90-2*12
Ozone O=[O+][O-]118.20± 0.75kJ/mol47.99820 ±
0.00090
10028-15-6*1000
3-Oxo-1-propenylium [CH+]=CC=O1195.71189.8± 3.4kJ/mol55.0548 ±
0.0024
101705-90-2*112
3-Oxo-1-propenylium [CH+]=CC=O1205.71200.2± 3.8kJ/mol55.0548 ±
0.0024
101705-90-2*122
2-Formylethen-1-ide [CH-]=CC=O27.321.3± 2.5kJ/mol55.0559 ±
0.0024
135924-69-5*0
2-Formylethen-1-ide [CH-]=CC=O27.320.5± 2.5kJ/mol55.0559 ±
0.0024
135924-69-5*1
2-Formylethen-1-ide [CH-]=CC=O30.523.7± 3.1kJ/mol55.0559 ±
0.0024
135924-69-5*2
Dioxohydrazine O=NN=O192.3188.7± 1.8kJ/mol60.01228 ±
0.00062
16824-89-8*1
2-Formylethen-1-ide [CH-]=CC=O54.647.9± 3.1kJ/mol55.0559 ±
0.0024
135924-69-5*22
2-Formylethen-1-ide [CH-]=CC=O65.058.4± 3.1kJ/mol55.0559 ±
0.0024
135924-69-5*12
Formic acid C(=O)O-425.33± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*830
1,2-Propadien-1-one anion C=C=C=[O-]49.748.5± 3.1kJ/mol54.0479 ±
0.0024
159171-62-7*0
Hydrogen iodide I-36.91± 0.56kJ/mol127.912410 ±
0.000076
10034-85-2*805
Chlorine atom dianion [Cl--]406.6408.2± 4.8kJ/mol35.45380 ±
0.00090
33944-49-9*0
Cyanoamidogen anion [NH-]C#N391.7389.9± 1.8kJ/mol41.03267 ±
0.00082
67131-47-9*1
1-Oxo-2-propyn-1-ylium C#C[C+]=O1001.71003.1± 3.0kJ/mol53.0389 ±
0.0024
53474-99-0*0
3-Oxo-1,2-propadien-1-yl anion C#C[C-]=O179.4182.0± 3.2kJ/mol53.0400 ±
0.0024
557113-97-0*0
Nitric acid O[N+](=O)[O-]-201.94± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*809
Formic acid C(=O)O-425.34± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*833
Carbon [C]2.3901.862± 0.043kJ/mol12.01070 ±
0.00080
7440-44-0*501
Formylethynyl anion [C-]#CC=O100.5101.8± 3.4kJ/mol53.0400 ±
0.0024
85905-64-2*0
Nitric acid O[N+](=O)[O-]-205.92± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*818
2-Cyclopropen-1-one cation O=[C+]1C=C11078.71075.6± 2.0kJ/mol54.0468 ±
0.0024
100815-68-7*0
Cyanoamidogen anion [NH-]C#N392.3390.4± 6.2kJ/mol41.03267 ±
0.00082
67131-47-9*11
1,3-Propanediyl [CH2]C[CH2]319.2307.8± 1.3kJ/mol42.0797 ±
0.0024
32458-33-6*1
Water O-286.272-292.712± 0.022kJ/mol18.01528 ±
0.00033
7732-18-5*509
Hydrogen fluoride F-322.09± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*830
Hydrogen chloride Cl-166.793± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*844
Isourea NC(=N)O-156.2-172.8± 2.6kJ/mol60.05534 ±
0.00091
4744-36-9*0
Fluorosyl fluoride anion FF[O-]-147.1-146.8± 3.0kJ/mol53.99675 ±
0.00030
*86825-57-2*0
Hydrogen iodide I-56.413± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*835
Carbamoyl anion [NH2-]=C=O-81.9-87.8± 3.1kJ/mol44.03327 ±
0.00087
78944-69-1*0
Chlorine atom [Cl]130.176131.783± 0.0011kJ/mol35.45270 ±
0.00090
22537-15-1*2
Carbamoyl N=[C]O74.168.3± 2.7kJ/mol44.03272 ±
0.00087
*2858-51-7*0
Carbamoyl N=[C]O76.469.9± 3.2kJ/mol44.03272 ±
0.00087
*2858-51-7*2
Carbamoyl N=[C]O96.390.1± 3.2kJ/mol44.03272 ±
0.00087
*2858-51-7*3
Carbamoyl N=[C]O110.9104.8± 3.2kJ/mol44.03272 ±
0.00087
*2858-51-7*4
1,3-Butadienyl C=CC=[CH]372.19362.97± 0.87kJ/mol53.0825 ±
0.0032
86181-68-2*0
Hydrogen chloride Cl-163.675± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*818
(Hydroxyimino)methyl [CH]=NO250.1244.3± 1.8kJ/mol44.03272 ±
0.00087
206442-92-4*0
Methanediol C(O)O-378.60-391.69± 0.71kJ/mol48.0413 ±
0.0010
463-57-0*0
1,3-Butadienyl C=CC=[CH]385.5375.3± 1.9kJ/mol53.0825 ±
0.0032
86181-68-2*22
(Hydroxyimino)methyl [CH]=NO262.5257.1± 2.5kJ/mol44.03272 ±
0.00087
206442-92-4*3
(Hydroxyimino)methyl [CH]=NO281.4275.9± 2.5kJ/mol44.03272 ±
0.00087
206442-92-4*4
1,3-Butadiyne-1,4-diyl [C]#CC#[C]1083.961093.77± 0.83kJ/mol48.0428 ±
0.0032
78015-07-3*2
Dioxoethylium C(=O)[C+]=O688.6689.9± 2.9kJ/mol57.0276 ±
0.0017
*1994332-01-2*0
Chloromethylene [CH]Cl320.35320.64± 0.89kJ/mol48.4713 ±
0.0012
2108-20-5*0
Ethanedial anion C(=O)[C-]=O-188.7-190.3± 3.1kJ/mol57.0287 ±
0.0017
1994332-01-2*0
Hydrogen iodide I-55.856± 0.096kJ/mol127.912410 ±
0.000076
10034-85-2*891
Hydrazoic acid anion N=[N]=[N-]309.0303.2± 2.3kJ/mol43.02871 ±
0.00022
203264-98-6*0
Formaldoxime C=NO30.519.9± 1.3kJ/mol45.04066 ±
0.00088
75-17-2*0
Vinyl alcohol cation C=C[OH+]778.6767.6± 1.3kJ/mol44.0520 ±
0.0017
57239-63-1*0
1,3-Butadienyl C=CC=[CH]374.8364.4± 1.9kJ/mol53.0825 ±
0.0032
86181-68-2*12
Ammonium hydroxide [NH4+].[OH-]-366.32± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*843
Hydrogen chloride Cl-164.169± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*819
Chlorine atom heptacation [Cl+7]39520.39522.± 11.kJ/mol35.44886 ±
0.00090
22537-27-5*0
Hydrogen peroxide cation O[OH+]931.06924.18± 0.98kJ/mol34.01413 ±
0.00062
12325-10-9*21
1-Propen-1-yl-3-ylidene [CH]C=[CH]656.7653.3± 1.1kJ/mol39.0559 ±
0.0024
84654-90-0*0
Ethoxyethene C=COCC-118.0-136.5± 1.5kJ/mol72.1057 ±
0.0033
109-92-2*0
Dihydroxymethyl [CH](O)O-197.1-205.4± 1.2kJ/mol47.0333 ±
0.0010
14840-85-8*0
2-Hydroxyethylium [CH2+]CO1019.21007.1± 1.5kJ/mol45.0600 ±
0.0017
38607-31-7*0
Hydroxyoxoethenylium O[C+]=C=O866.4865.2± 3.5kJ/mol57.0276 ±
0.0017
*1994332-00-1*0
Ethynediolide O[C-]=C=O-132.9-134.0± 3.5kJ/mol57.0287 ±
0.0017
1994332-00-1*0
Hydrogen iodide I-44.15± 0.30kJ/mol127.912410 ±
0.000076
10034-85-2*807
Chlorohydroxymethyl [CH](Cl)O-54.8-60.6± 1.1kJ/mol65.4787 ±
0.0012
147139-06-8*0
Hydrogen chloride Cl-165.819± 0.024kJ/mol36.46064 ±
0.00090
7647-01-0*892
Diazoethenylidene cation [N]=[N]=C=[C+]1771.11773.1± 3.5kJ/mol52.0343 ±
0.0016
*130760-10-0*0
Dihydroxymethyl [CH](O)O-190.8-199.5± 2.3kJ/mol47.0333 ±
0.0010
14840-85-8*2
1-Cyanoethylidene C[C]C#N437.5433.7± 1.5kJ/mol53.0627 ±
0.0024
498544-34-6*0
Hydrogen iodide I-47.73± 0.32kJ/mol127.912410 ±
0.000076
10034-85-2*809
Isocyanomethane C[N+]#[C-]146.5± 2.2kJ/mol41.0520 ±
0.0016
593-75-9*500
Nitrosyl nitrate O=NO[N+](=O)[O-]48.340.4± 1.8kJ/mol92.0111 ±
0.0012
15969-55-8*0
Dihydroxymethyl [CH](O)O-188.0-196.9± 2.1kJ/mol47.0333 ±
0.0010
14840-85-8*3
Nitrosodioxaziridine O=NN1OO1413.7408.2± 1.8kJ/mol76.01168 ±
0.00091
132871-99-9*0
Hydroxyformyl O[C]=O-181.15-183.70± 0.40kJ/mol45.0174 ±
0.0010
2564-86-5*0
Dihydroxymethylium [CH+](O)O421.3410.2± 3.1kJ/mol47.0328 ±
0.0010
180071-68-5*0
3-Imino-2-propen-1-ylidene [CH]C=C=N530.6526.3± 1.2kJ/mol53.0627 ±
0.0024
916765-05-4*0
Chloroethane CCCl-134.36-135.98± 0.25kJ/mol64.5138 ±
0.0019
75-00-3*500
3-Imino-2-propen-1-ylidene [CH]C=C=N571.8567.0± 1.6kJ/mol53.0627 ±
0.0024
916765-05-4*2
Hydrogen chloride Cl-166.680± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*841
Dihydroxymethylium [CH+](O)O428.3417.1± 3.5kJ/mol47.0328 ±
0.0010
180071-68-5*3
Hydrogen chloride Cl-166.102± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*830
Dihydroxymethylium [CH+](O)O439.2428.1± 3.5kJ/mol47.0328 ±
0.0010
180071-68-5*2
2-(Methylidyneamino)ethenyl [CH]=CN=[CH]600.7596.3± 1.2kJ/mol53.0627 ±
0.0024
123416-74-0*0
Hydrogen fluoride F-333.06± 0.17kJ/mol20.006343 ±
0.000070
7664-39-3*866
2-(Methylidyneamino)ethenyl [CH]=CN=[CH]634.4630.4± 1.6kJ/mol53.0627 ±
0.0024
123416-74-0*2
Hydroxyformyl anion [C-](=O)O-319.54-321.40± 0.56kJ/mol45.0180 ±
0.0010
78944-70-4*0
1-Propen-1-yl-3-ylidene [CH]C=[CH]656.7653.2± 2.0kJ/mol39.0559 ±
0.0024
84654-90-0*12
1-Propen-1-yl-3-ylidene [CH]C=[CH]665.7662.2± 2.0kJ/mol39.0559 ±
0.0024
84654-90-0*13
1-Propen-1-yl-3-ylidene [CH]C=[CH]699.2696.3± 3.4kJ/mol39.0559 ±
0.0024
84654-90-0*2
Dihydroxymethanide [CH-](O)O-194.3-202.5± 1.8kJ/mol47.0339 ±
0.0010
61192-32-3*0
Hydrogen iodide I-56.601± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*842
Dihydroxymethanide [CH-](O)O-192.1-201.4± 2.5kJ/mol47.0339 ±
0.0010
61192-32-3*1
Hydrogen iodide I-49.965± 0.096kJ/mol127.912410 ±
0.000076
10034-85-2*811
Hydrogen bromide Br-115.91± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*815
Oxoniumyl ion [H][O+][H]978.748975.597± 0.024kJ/mol18.01473 ±
0.00033
56583-62-1*2
(Methylamino)methyl anion CN[CH2-]201.8184.9± 3.1kJ/mol44.0763 ±
0.0017
*31277-25-5*0
Hydrogen chloride Cl-166.738± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*842
1,3-Propanediyl [CH2]C[CH2]337.6322.9± 2.2kJ/mol42.0797 ±
0.0024
32458-33-6*2
2-Cyanovinyl [CH]=CC#N447.76445.36± 0.99kJ/mol52.0547 ±
0.0024
189141-20-6*0
2-Cyanovinylium [CH+]=CC#N1517.21515.2± 1.8kJ/mol52.0542 ±
0.0024
85398-67-0*2
2-Cyanovinyl anion [CH-]=CC#N263.7261.4± 1.8kJ/mol52.0553 ±
0.0024
*85398-67-0*0
Ammonium hydroxide [NH4+].[OH-]-366.38± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*895
Dihydroxymethanide [CH-](O)O-177.7-187.6± 2.5kJ/mol47.0339 ±
0.0010
61192-32-3*3
2-Isocyanovinyl [CH]=C[N+]#[C-]543.2541.8± 1.7kJ/mol52.0547 ±
0.0024
225798-14-1*0
Cyanomethylium [CH2+]C#N1256.231253.59± 0.61kJ/mol40.0435 ±
0.0016
34430-18-7*0
Hydroperoxonium [OH2+]O762.5752.7± 2.0kJ/mol35.02207 ±
0.00064
70850-26-9*2
Cyanomethyliumyl [CH+]C#N1506.51508.0± 2.3kJ/mol39.0355 ±
0.0016
34447-38-6*0
Cyanomethylene anion [CH-]C#N286.3286.8± 1.5kJ/mol39.0366 ±
0.0016
12373-24-9*0
Cyanomethylene [CH]C#N479.7483.0± 1.1kJ/mol39.0361 ±
0.0016
2612-62-6*0
Methane anion [CH4-]27.319.4± 5.1kJ/mol16.04301 ±
0.00085
27680-53-1*0
Hydrogen bromide Br-120.24± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*898
Isocyanomethyliumyl [CH+][N+]#[C-]1505.81507.6± 3.3kJ/mol39.0355 ±
0.0016
99045-54-2*0
Isocyanomethylene anion [CH-][N+]#[C-]400.4401.1± 2.1kJ/mol39.0366 ±
0.0016
144141-01-5*0
Isocyanomethylene [CH][N+]#[C-]582.2584.4± 1.7kJ/mol39.0361 ±
0.0016
78694-65-2*0
Ethylidene [CH]C361.26354.27± 0.48kJ/mol28.0532 ±
0.0016
4218-50-2*0
3-Oxo-1,2-propadien-1-ylium-1-yl [C+]=C=C=O1380.31385.6± 3.8kJ/mol52.0310 ±
0.0024
151455-13-9*0
3-Oxo-1,2-propadienylidene anion [C-]=C=C=O224.4230.2± 3.5kJ/mol52.0320 ±
0.0024
109292-50-4*0
Hydrogen bromide Br-120.11± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*839
Ammonium hydroxide [NH4+].[OH-]-366.35± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*841
1,3-Butadienyl C=CC=[CH]384.0374.4± 1.9kJ/mol53.0825 ±
0.0032
86181-68-2*21
2-Hydroxyethenyl [CH]=CO137.93132.11± 0.72kJ/mol43.0446 ±
0.0016
108665-16-3*0
Diazomethyl [CH]=[N]=[N]467.84465.28± 0.68kJ/mol41.03212 ±
0.00082
20813-32-5*0
Trichlorine cation Cl[Cl+]Cl1196.61197.2± 3.2kJ/mol106.3576 ±
0.0027
33088-85-6*1
Hydrazoic acid N=[N+]=[N-]261.52± 0.65kJ/mol43.02816 ±
0.00022
7782-79-8*500
Fluorosyl fluoride FF[O]192.8193.3± 2.3kJ/mol53.99621 ±
0.00030
86825-57-2*0
Ethanimine CC=N55.7141.07± 0.72kJ/mol43.0678 ±
0.0016
20729-41-3*0
Hydrogen chloride Cl-166.708± 0.024kJ/mol36.46064 ±
0.00090
7647-01-0*896
Hydrogen chloride Cl-164.500± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*820
1,3-Cyclobutadiene cation C1=CC=[CH+]11215.61207.3± 3.0kJ/mol52.0740 ±
0.0032
34531-09-4*0
Hydrogen peroxide OO-190.69± 0.30kJ/mol34.01468 ±
0.00062
7722-84-1*800
Hydrogen iodide I-56.626± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*843
2-Methyl-2-cyclopropen-1-ylidene CC1=C[C]1448.0441.8± 1.2kJ/mol52.0746 ±
0.0032
185841-59-2*0
2-Methyl-2-cyclopropen-1-ylidene CC1=C[C]1670.6664.6± 2.8kJ/mol52.0746 ±
0.0032
185841-59-2*1
Hydroxymethoxy [O]CO-150.0-159.8± 1.9kJ/mol47.0333 ±
0.0010
72144-78-6*1
Hydroxymethoxy cation [O+]CO924.9915.2± 3.2kJ/mol47.0328 ±
0.0010
180071-69-6*1
Trioxidaniumyl O[O+]O925.6916.7± 1.5kJ/mol50.01353 ±
0.00091
161321-37-5*0
Peroxyhypochlorous acid anion OO[Cl-]-32.1-33.9± 2.6kJ/mol68.4600 ±
0.0011
*67952-08-3*0
Hydroxymethoxy cation [O+]CO930.8921.3± 3.7kJ/mol47.0328 ±
0.0010
180071-69-6*12
Hydroxymethoxy cation [O+]CO933.4923.7± 3.7kJ/mol47.0328 ±
0.0010
180071-69-6*11
Vinylvinylidene C=CC=[C]494.1488.8± 1.7kJ/mol52.0746 ±
0.0032
148759-16-4*0
Vinylvinylidene C=CC=[C]690.4684.6± 2.7kJ/mol52.0746 ±
0.0032
148759-16-4*1
Formic acid C(=O)O-425.34± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*895
Vinylvinylidene C=CC=[C]695.4689.0± 3.3kJ/mol52.0746 ±
0.0032
148759-16-4*12
Vinylvinylidene cation C=CC=[C+]1429.81424.5± 2.0kJ/mol52.0740 ±
0.0032
161054-20-2*0
Vinylvinylidene cation C=CC=[C+]1437.81432.1± 2.7kJ/mol52.0740 ±
0.0032
161054-20-2*2
Vinylvinylidene anion C=CC=[C-]405.7399.0± 2.0kJ/mol52.0751 ±
0.0032
167386-49-4*0
Vinylvinylidene anion C=CC=[C-]423.2416.6± 2.7kJ/mol52.0751 ±
0.0032
167386-49-4*2
Hydrogen chloride Cl-166.516± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*837
Hydrodioxonitrate [NH](=O)[O-]-62.0-68.4± 3.2kJ/mol47.01403 ±
0.00061
61508-71-2*0
1,2-Butadien-1-ylidene CC=C=[C]511.7506.2± 2.0kJ/mol52.0746 ±
0.0032
119908-55-3*0
1,2-Butadien-1-ylidene CC=C=[C]651.7646.2± 3.7kJ/mol52.0746 ±
0.0032
119908-55-3*1
Hydroxymethoxy anion [O-]CO-373.88-383.82± 0.89kJ/mol47.0339 ±
0.0010
67899-36-9*0
Hydroxymethoxy anion [O-]CO-349.2-358.8± 2.0kJ/mol47.0339 ±
0.0010
67899-36-9*1
Hydrogen iodide I-56.781± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*861
Diazene N=N207.11199.98± 0.41kJ/mol30.02936 ±
0.00020
3618-05-1*0
Hydrogen chloride Cl-166.487± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*835
Formaldehyde C=O-105.263-109.229± 0.095kJ/mol30.02598 ±
0.00087
50-00-0*22
Hydrogen bromide Br-116.68± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*816
Propynylidene [CH]=C=[CH]597.8599.6± 1.3kJ/mol38.0480 ±
0.0024
67152-18-5*2
Ethylideneammoniumylidene CC=[N+]1309.91300.3± 3.0kJ/mol42.0594 ±
0.0016
91127-36-5*1
1,2,3-Butatrien-1-ylium C=C=C=[CH+]1271.71269.9± 1.1kJ/mol51.0661 ±
0.0032
81932-79-8*0
Hydrogen bromide Br-117.39± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*817
Propargylenide C#C[CH-]434.4437.6± 1.1kJ/mol38.0485 ±
0.0024
82906-05-6*0
Hydrogen fluoride F-321.93± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*890
Ethylideneazanide CC=[N-]147.7137.5± 3.2kJ/mol42.0604 ±
0.0016
144810-43-5*0
Isoformyl anion [C][O].[H-]55.758.4± 1.8kJ/mol29.01859 ±
0.00086
81747-63-9*0
Hydrogen chloride Cl-166.253± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*831
1-Buten-3-yn-1-yl C#CC=[CH]547.23544.71± 0.86kJ/mol51.0666 ±
0.0032
2810-61-9*0
1-Buten-3-ynylium C#CC=[CH+]1482.31480.2± 1.4kJ/mol51.0661 ±
0.0032
84654-85-3*0
But-1-en-3-yn-1-ide C#CC=[CH-]419.7419.1± 1.2kJ/mol51.0672 ±
0.0032
119611-65-3*0
Hydrogen bromide Br-118.03± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*818
Peroxyformic acid C(=O)OO-279.25-288.39± 0.63kJ/mol62.0248 ±
0.0012
107-32-4*0
Hydrogen chloride Cl-166.752± 0.024kJ/mol36.46064 ±
0.00090
7647-01-0*899
Hydroxyamidogen [NH]O101.2894.45± 0.87kJ/mol32.02202 ±
0.00034
13940-32-4*0
Ammonium hydroxide [NH4+].[OH-]-366.39± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*832
3-Buten-1-ynylium C=CC#[C+]1572.61570.2± 1.7kJ/mol51.0661 ±
0.0032
103928-84-3*0
But-3-en-1-yn-1-ide C=CC#[C-]326.6323.5± 1.4kJ/mol51.0672 ±
0.0032
58870-47-6*0
Hydrogen iodide I-51.304± 0.099kJ/mol127.912410 ±
0.000076
10034-85-2*812
Hydrogen bromide Br-120.34± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*846
Acetic acid CC(=O)O-484.79± 0.27kJ/mol60.0520 ±
0.0017
64-19-7*1000
Tetraoxidanyl OOO[O]2.10.4± 2.9kJ/mol65.0055 ±
0.0012
69696-93-1*0
3-Methylene-1-cyclopropen-1-ylium C=C1C=[C+]11398.71395.4± 1.7kJ/mol51.0661 ±
0.0032
117469-28-0*0
Nitric acid O[N+](=O)[O-]-206.16± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*895
Acetic acid CC(=O)O-483.01± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*923
Nitrogen sesquioxide cation O=N-[N+](=O)[O]1027.71023.7± 4.8kJ/mol76.01113 ±
0.00091
*10544-73-7*0
2-Cyclopropen-1-ylidenemethylium [CH+]=C1C=C11346.41343.8± 1.8kJ/mol51.0661 ±
0.0032
112936-36-4*0
Diazene N=N207.11199.98± 0.41kJ/mol30.02936 ±
0.00020
3618-05-1*1
Ethylperoxy CCO[O]-6.27-22.23± 0.64kJ/mol61.0599 ±
0.0017
3170-61-4*0
2-Iminoethyl [CH2]C=N219.27208.59± 0.86kJ/mol42.0599 ±
0.0016
73843-90-0*0
Ethylene anion C=[CH2-]232.0225.6± 2.0kJ/mol28.0537 ±
0.0016
34527-91-8*0
1,3-Cyclobutadien-1-ylium [C+]1=CC=C11388.21383.3± 1.8kJ/mol51.0661 ±
0.0032
81913-77-1*0
Pentachloroethylium C(Cl)(Cl)(Cl)[C+](Cl)Cl838.1836.4± 3.3kJ/mol201.2844 ±
0.0048
*7094-17-9*0
Hydroxyaminylium [NH+]O1019.51012.3± 2.5kJ/mol32.02147 ±
0.00034
66097-71-0*0
2-Iminoethylium [CH2+]C=N1108.21097.6± 2.9kJ/mol42.0594 ±
0.0016
73843-91-1*0
Cyclobutenide C1[CH-]C=C1320.3307.8± 3.2kJ/mol53.0830 ±
0.0032
60211-42-9*0
Pentachloroethanide C(Cl)(Cl)(Cl)[C-](Cl)Cl-281.8-280.3± 3.9kJ/mol201.2854 ±
0.0048
263019-83-6*0
Hydrogen iodide I-56.275± 0.092kJ/mol127.912410 ±
0.000076
10034-85-2*831
2-Iminoethylium [CH2+]C=N1148.61140.1± 3.3kJ/mol42.0594 ±
0.0016
73843-91-1*1
Chlorine chlorite ClO[Cl]=O168.6166.4± 1.3kJ/mol102.9042 ±
0.0019
105206-44-8*0
Phenylperoxy cation c1ccc(cc1)O[O+]1018.61001.5± 3.1kJ/mol109.1022 ±
0.0049
956036-17-2*0
Phenylperoxy anion c1ccc(cc1)O[O-]-39.3-56.2± 3.3kJ/mol109.1032 ±
0.0049
*956036-17-2*0
Ethoxyoxoniumylidene CCO[O+]923.7911.4± 1.5kJ/mol61.0594 ±
0.0017
268728-77-4*0
Ethoxyoxoniumylidene CCO[O+]962.3947.6± 1.7kJ/mol61.0594 ±
0.0017
268728-77-4*2
Formic acid C(=O)O-425.20± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*820
Diazomethyl [CH]=[N]=[N]652.7649.8± 1.3kJ/mol41.03212 ±
0.00082
20813-32-5*2
Hydrogen chloride Cl-164.926± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*821
Fulvene cation [CH2+]=C1C=CC=C11043.61027.8± 2.7kJ/mol78.1113 ±
0.0048
34504-75-1*0
Fulvene anion [CH2-]=C1C=CC=C1191.3176.3± 4.0kJ/mol78.1124 ±
0.0048
34504-63-7*0
Diazomethyl [CH]=[N]=[N]653.0650.0± 2.3kJ/mol41.03212 ±
0.00082
20813-32-5*21
Hydrogen iodide I-56.668± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*846
Ethoxyoxoniumylidene CCO[O+]967.4951.5± 2.4kJ/mol61.0594 ±
0.0017
268728-77-4*23
Acetic acid CC(=O)O-482.91± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*801
Fulvenone cation O=[C+]=C1C=CC=C1913.4903.3± 1.9kJ/mol92.0948 ±
0.0048
884319-80-6*0
Chlorine pentafluoride anion F[Cl-](F)(F)(F)F-619.1-622.6± 4.3kJ/mol130.44526 ±
0.00090
184851-42-1*0
Acetic acid CC(=O)O-482.86± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*802
Hydrogen iodide I-56.467± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*839
Nitrogen atom heptacation [N+7]143853.26143855.12± 0.23kJ/mol14.002900 ±
0.000070
40549-08-4*0
Silicon atom tetracation [Si+4]10401.1410404.12± 0.59kJ/mol28.08331 ±
0.00030
22537-24-2*0
Silicon anion [Si-]316.32319.30± 0.59kJ/mol28.08605 ±
0.00030
14337-02-1*0
Ammonium hydroxide [NH4+].[OH-]-366.38± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*834
Diazomethylium [CH+]=[N]=[N]1395.71394.1± 1.3kJ/mol41.03157 ±
0.00082
271249-81-1*0
Disilicon anion [Si][Si-]375.2379.1± 1.8kJ/mol56.17155 ±
0.00060
64236-73-3*0
1,2-Dichloroethene C(Cl)=CCl3.79-1.53± 0.55kJ/mol96.9427 ±
0.0024
540-59-0*0
2-Iminoethyl anion [CH2-]C=N104.494.0± 2.1kJ/mol42.0604 ±
0.0016
73843-87-5*0
Bromine atom [Br]162.010155.947± 0.055kJ/mol79.90400 ±
0.00100
10097-32-2*2
Nitric acid O[N+](=O)[O-]-205.99± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*819
Ethaneperoxolate CCO[O-]-120.50-136.57± 0.72kJ/mol61.0604 ±
0.0017
268728-75-2*0
Acetic acid CC(=O)O-482.87± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*803
Ammonium hydroxide [NH4+].[OH-]-366.28± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*846
Hydrogen iodide I-52.23± 0.12kJ/mol127.912410 ±
0.000076
10034-85-2*813
Acetic acid CC(=O)O-482.96± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*804
Hydrogen fluoride F-321.95± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*906
Ammonium hydroxide [NH4+].[OH-]-366.37± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*835
Ethaneperoxolate CCO[O-]-120.0-135.6± 1.9kJ/mol61.0604 ±
0.0017
268728-75-2*1
Silicon carbide anion [Si][C-]509.8514.5± 4.4kJ/mol40.09675 ±
0.00085
86017-99-4*0
Diazoethenylidene anion [N]=[N]=C=[C-]529.6532.2± 3.5kJ/mol52.0354 ±
0.0016
*130760-11-1*0
Formic acid C(=O)O-425.22± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*821
Silicon carbide [Si]=[C]-70.6-71.6± 1.5kJ/mol40.09620 ±
0.00085
409-21-2*500
Tetrafluorosilane cation [Si+](F)(F)(F)F-137.3-141.6± 5.9kJ/mol104.07856 ±
0.00030
62859-94-3*0
Acetic acid CC(=O)O-483.04± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*805
1-Iminoethyl C[C]=N233.0222.9± 1.1kJ/mol42.0599 ±
0.0016
128365-64-0*0
Dichlorovinylidene [C]=C(Cl)Cl424.2427.5± 3.0kJ/mol94.9268 ±
0.0024
20394-25-6*0
1-Iminoethyl C[C]=N252.3242.3± 2.0kJ/mol42.0599 ±
0.0016
128365-64-0*1
Nitrosodioxaziridine O=NN1OO1413.9408.1± 3.2kJ/mol76.01168 ±
0.00091
132871-99-9*2
Chlorovinylidene [C]=CCl429.2430.9± 2.9kJ/mol60.4820 ±
0.0018
70277-82-6*0
1-Iminoethylium C[C+]=N833.6823.1± 3.0kJ/mol42.0594 ±
0.0016
*128365-64-0*0
O--HH Complex [H][H].[O]247.6248.9± 2.7kJ/mol18.01528 ±
0.00033
*7732-18-5*101
1-Iminoethylium C[C+]=N1342.11333.2± 3.9kJ/mol42.0594 ±
0.0016
*128365-64-0*1
Silylene [SiH2]271.42269.76± 0.86kJ/mol30.10138 ±
0.00033
13825-90-6*0
1-Hydroperoxyethylium C[CH+]OO690.5675.6± 1.5kJ/mol61.0594 ±
0.0017
*126898-98-4*0
Hydrogen fluoride F-322.65± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*838
Formic acid C(=O)O-425.24± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*822
Hydrogen fluoride F-321.88± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*819
Disilane cation [SiH3][SiH3+]1030.31017.5± 2.2kJ/mol62.21809 ±
0.00073
96301-43-8*0
Peroxyhypochlorous acid cation OO[Cl+]1030.41024.6± 2.5kJ/mol68.4589 ±
0.0011
*67952-07-2*0
1-Iminoethylium C[C+]=N1378.31368.7± 4.3kJ/mol42.0594 ±
0.0016
*128365-64-0*11
Hydrogen bromide Br-120.09± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*838
Hydrogen chloride Cl-166.763± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*843
1-Iminoethanide C[C-]=N185.6175.5± 3.2kJ/mol42.0604 ±
0.0016
*128365-65-1*0
Hydrogen fluoride F-322.13± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*908
1-Hydroperoxyethylium C[CH+]OO841.3830.1± 1.7kJ/mol61.0594 ±
0.0017
*126898-98-4*1
Hydrogen isocyanide anion [C-]=N191.61191.79± 0.32kJ/mol27.02593 ±
0.00081
96913-22-3*0
Disilene [SiH2]=[SiH2]288.6280.0± 1.9kJ/mol60.20276 ±
0.00066
15435-77-5*0
Hydrogen iodide I-56.693± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*850
Fluoromethane cation C[F+]981.84974.34± 0.62kJ/mol34.03237 ±
0.00083
59122-96-2*0
1-Iminoethanide C[C-]=N193.1182.5± 3.6kJ/mol42.0604 ±
0.0016
*128365-65-1*1
Fluoromethane CF-245.72± 0.45kJ/mol34.03292 ±
0.00083
593-53-3*590
Silylsilylene [SiH3][SiH]317.1309.3± 2.0kJ/mol60.20276 ±
0.00066
50420-90-1*0
Hydrogen bromide Br-120.44± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*855
Chloromethane CCl-106.51-102.54± 0.19kJ/mol50.4872 ±
0.0012
74-87-3*590
Hydrogen bromide Br-120.04± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*835
1-Hydroperoxyethylium C[CH+]OO691.8676.1± 2.3kJ/mol61.0594 ±
0.0017
*126898-98-4*22
Ammonium hydroxide [NH4+].[OH-]-366.18± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*852
Bromomethane cation C[Br+]996.59981.67± 0.21kJ/mol94.9380 ±
0.0013
12538-70-4*0
1-Hydroperoxyethylium C[CH+]OO843.6831.6± 2.6kJ/mol61.0594 ±
0.0017
*126898-98-4*12
Difluorodioxidane anion FO[O-]F-251.-251.± 28.kJ/mol69.99615 ±
0.00060
*7783-45-1*0
Di-mu-hydrodihydrodisilicon [SiH+]([H-]1)[H-][SiH+]1374.5364.3± 2.4kJ/mol60.20276 ±
0.00066
129970-82-7*0
Di-mu-hydrodihydrodisilicon [SiH+]([H-]1)[H-][SiH+]1374.5364.2± 2.4kJ/mol60.20276 ±
0.00066
129970-82-7*1
Di-mu-hydrodihydrodisilicon [SiH+]([H-]1)[H-][SiH+]1544.1536.0± 3.7kJ/mol60.20276 ±
0.00066
129970-82-7*11
Di-mu-hydrodihydrodisilicon cation [SiH+]([H-]1)[H-][SiH+2]11180.11172.5± 3.3kJ/mol60.20221 ±
0.00066
*129970-82-7*0
Di-mu-hydrodihydrodisilicon anion [SiH+]([H-]1)[H-][SiH]1288.3280.2± 3.4kJ/mol60.20331 ±
0.00066
*129970-83-8*0
Iodine monochloride ICl-36.511-35.537± 0.063kJ/mol162.35717 ±
0.00090
7790-99-0*500
3H-diazirin-3-ylidene-methylene [C]=C1N=N1837.3839.9± 2.3kJ/mol52.0349 ±
0.0016
204253-88-3*0
Propane CCC-110.21-121.20± 0.66kJ/mol44.0956 ±
0.0025
74-98-6*500
Hydrogen chloride Cl-165.186± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*822
N-Methylenemethaniminium C=[N+]=C904.2893.3± 3.1kJ/mol42.0594 ±
0.0016
88333-01-1*0
Hydrogen fluoride F-321.79± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*817
Nitric acid O[N+](=O)[O-]-206.02± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*820
Fluorine atom [F]82.08883.873± 0.017kJ/mol18.99840320 ±
0.00000050
14762-94-8*2
Tetroxidane OOOO-33.29-43.22± 0.44kJ/mol66.0135 ±
0.0012
29683-94-1*0
Hydrogen bromide Br-118.36± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*819
Hydrogen bromide Br-118.59± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*820
2-Hydroperoxyethyl [CH2]COO64.551.2± 1.3kJ/mol61.0599 ±
0.0017
126898-97-3*0
Nitric acid O[N+](=O)[O-]-206.03± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*822
Water O-238.616-241.803± 0.022kJ/mol18.01528 ±
0.00033
7732-18-5*1
Dioxodiazoxane O=NON=O93.088.1± 1.3kJ/mol76.01168 ±
0.00091
122413-35-8*0
2-Hydroperoxyethyl [CH2]COO64.550.8± 1.3kJ/mol61.0599 ±
0.0017
126898-97-3*3
N-Methylenemethaniminium C=[N+]=C1157.11147.2± 4.0kJ/mol42.0594 ±
0.0016
88333-01-1*1
Hydrogen bromide Br-118.91± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*821
Iodomethane cation C[I+]944.69935.30± 0.18kJ/mol141.93844 ±
0.00083
12538-72-6*0
Propylidene anion CC[CH-]300.8286.7± 3.2kJ/mol42.0803 ±
0.0024
*121408-55-7*0
Hydrogen bromide Br-119.76± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*830
Hydrogen chloride Cl-165.293± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*891
Fluoroform C(F)(F)F-704.71± 0.41kJ/mol70.01385 ±
0.00080
75-46-7*590
Hydrogen iodide I-52.89± 0.16kJ/mol127.912410 ±
0.000076
10034-85-2*814
Hydrogen bromide Br-119.11± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*822
Hydrogen iodide I-56.497± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*954
Hydrogen chloride Cl-166.541± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*838
Hydroxysilyl anion [SiH2-]O-219.2-227.0± 2.1kJ/mol47.10927 ±
0.00047
78450-47-2*0
Hydroxysilyl anion [SiH2-]O-218.9-226.8± 2.7kJ/mol47.10927 ±
0.00047
78450-47-2*2
Hydrogen bromide Br-119.19± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*891
Carbon trianion [C-3]1813.21818.6± 5.9kJ/mol12.01235 ±
0.00080
50802-48-7*0
N-Methylidynemethanaminium C[N+]#C881.0870.2± 3.0kJ/mol42.0594 ±
0.0016
64709-60-0*0
Ammonium hydroxide [NH4+].[OH-]-366.37± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*830
Benzvalene cation C1=CC2C3C1[CH+]231200.21184.8± 2.7kJ/mol78.1113 ±
0.0048
81050-63-7*0
Ethane anion C[CH3-]41.826.5± 4.4kJ/mol30.0696 ±
0.0017
54064-82-3*0
Dioxymethylene [CH]O[O]341.8339.8± 3.0kJ/mol45.0174 ±
0.0010
438586-67-5*0
(Methylimino)methyl CN=[CH]277.9267.8± 1.1kJ/mol42.0599 ±
0.0016
117928-23-1*0
Nitric oxide [N]=O79.224± 0.079kJ/mol30.00614 ±
0.00031
10102-43-9*1000
Fluorosyl fluoride cation FF[O+]1413.11413.4± 3.5kJ/mol53.99566 ±
0.00030
*86825-50-5*0
2-Hydroperoxyethyl [CH2]COO65.051.6± 2.2kJ/mol61.0599 ±
0.0017
126898-97-3*1
Hydrogen fluoride F-322.36± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*833
Ammonium hydroxide [NH4+].[OH-]-364.33± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*802
(Methylimino)methyl CN=[CH]297.0287.0± 2.0kJ/mol42.0599 ±
0.0016
117928-23-1*2
(Methylimino)methanide CN=[CH-]222.9212.1± 3.2kJ/mol42.0604 ±
0.0016
*64709-60-0*0
(Methylimino)methanide CN=[CH-]236.5225.6± 3.6kJ/mol42.0604 ±
0.0016
*64709-60-0*2
Butadienylacetylene C=CC=CC#C358.7346.3± 1.9kJ/mol78.1118 ±
0.0048
10420-90-3*0
Hydrogen fluoride F-321.92± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*904
(3Z)-1,3-Hexadien-5-yne C=C/C=C\C#C358.7346.2± 2.5kJ/mol78.1118 ±
0.0048
5222-76-4*0
Divinylacetylene C=CC#CC=C361.8350.6± 2.0kJ/mol78.1118 ±
0.0048
821-08-9*0
Hydrogen peroxide cation O[OH+]897.31890.31± 0.51kJ/mol34.01413 ±
0.00062
12325-10-9*12
Divinylacetylene C=CC#CC=C362.4351.3± 2.6kJ/mol78.1118 ±
0.0048
821-08-9*1
Biallenyl C=C=CC=C=C410.6399.5± 1.5kJ/mol78.1118 ±
0.0048
29776-96-3*0
Ammonium hydroxide [NH4+].[OH-]-364.92± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*804
Biallenyl C=C=CC=C=C419.4408.1± 2.3kJ/mol78.1118 ±
0.0048
29776-96-3*2
Propargylallene C=C=CCC#C431.4420.0± 1.4kJ/mol78.1118 ±
0.0048
33142-15-3*0
1-Aminoethenylium C=[C+]N900.0889.1± 3.0kJ/mol42.0594 ±
0.0016
*139597-26-5*0
Propargylallene C=C=CCC#C432.3420.7± 2.2kJ/mol78.1118 ±
0.0048
33142-15-3*2
Acetic acid CC(=O)O-483.15± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*807
2-Hydroperoxyethyl [CH2]COO65.551.5± 2.2kJ/mol61.0599 ±
0.0017
126898-97-3*31
3-Methylene-1-penten-4-yne C=CC(=C)C#C362.5350.2± 2.2kJ/mol78.1118 ±
0.0048
6929-96-0*0
3-Methylene-1-penten-4-yne C=CC(=C)C#C374.6362.3± 2.8kJ/mol78.1118 ±
0.0048
6929-96-0*3
1,2,3,5-Hexatetraene C=C=C=CC=C391.7380.3± 1.6kJ/mol78.1118 ±
0.0048
60239-33-0*0
Acetic acid CC(=O)O-483.19± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*808
1,2,3,5-Hexatetraene C=C=C=CC=C400.5388.9± 2.3kJ/mol78.1118 ±
0.0048
60239-33-0*2
1-Aminoethenide C=[C-]N215.9205.1± 3.2kJ/mol42.0604 ±
0.0016
139597-26-5*0
mu-Oxodioxodinitrogen O=NO[N+]=O984.0981.1± 3.2kJ/mol76.01113 ±
0.00091
87950-63-8*1
Nitric acid O[N+](=O)[O-]-206.02± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*891
Acetic acid CC(=O)O-483.22± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*809
Propene CC=C7.683.97± 0.82kJ/mol42.0797 ±
0.0024
115-07-1*500
Nitrato O=[N+](O)O1290.591285.88± 0.86kJ/mol62.00439 ±
0.00090
133057-96-2*0
Bromoform C(Br)(Br)Br8.2± 1.1kJ/mol252.7306 ±
0.0031
75-25-2*590
Hydrogen fluoride F-321.86± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*888
Diazanide N[NH-]249.3239.2± 3.1kJ/mol31.03785 ±
0.00025
25415-88-7*0
Hydroxymethylene cation [CH+]O971.9968.3± 1.4kJ/mol30.02543 ±
0.00087
135395-06-1*0
2-Hydroperoxyethyl [CH2]COO65.551.9± 2.2kJ/mol61.0599 ±
0.0017
126898-97-3*12
Difluoromethane C(F)F-468.92± 0.36kJ/mol52.02339 ±
0.00081
75-10-5*590
Hydroxymethylene anion [CH-]O147.1144.2± 1.6kJ/mol30.02653 ±
0.00087
207914-87-2*0
1-Methylallyl CC=C[CH2]152.54136.07± 0.79kJ/mol55.0984 ±
0.0032
15819-46-2*0
Hydrogen bromide Br-120.00± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*895
Hydrogen fluoride F-322.14± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*909
1-Methyl-1-propenyl C[C]=CC240.00224.61± 0.66kJ/mol55.0984 ±
0.0032
71790-71-1*0
Ethenyldioxy C=CO[O]118.7109.8± 1.3kJ/mol59.0440 ±
0.0017
88181-72-0*0
1-Methyl-1-propenyl C[C]=CC243.3227.0± 1.9kJ/mol55.0984 ±
0.0032
71790-71-1*2
Hydrogen iodide I-53.38± 0.17kJ/mol127.912410 ±
0.000076
10034-85-2*815
Ammonium hydroxide [NH4+].[OH-]-365.29± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*806
1-Butenyl CCC=[CH]263.36246.31± 0.68kJ/mol55.0984 ±
0.0032
2669-61-6*0
Hydrogen iodide I-54.02± 0.17kJ/mol127.912410 ±
0.000076
10034-85-2*816
1-Butenyl CCC=[CH]263.8246.5± 1.9kJ/mol55.0984 ±
0.0032
2669-61-6*3
Acetic acid CC(=O)O-483.29± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*811
Hydrogen bromide Br-120.29± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*843
Ethylamine CCN-76.95± 0.67kJ/mol45.0837 ±
0.0017
75-04-7*500
Hydrogen bromide Br-119.37± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*825
Hydrogen chloride Cl-166.822± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*846
Acetic acid CC(=O)O-483.36± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*812
Ammonium hydroxide [NH4+].[OH-]-366.24± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*819
2-Aminoethenyl [CH]=CN319.7310.1± 1.3kJ/mol42.0599 ±
0.0016
176964-54-8*0
1-Aminoethyl anion C[CH-]N174.3156.8± 3.2kJ/mol44.0763 ±
0.0017
59263-55-7*0
Ammonium hydroxide [NH4+].[OH-]-365.54± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*808
Hydrogen iodide I-56.379± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*895
Ethylaminylium CC[NH+]1092.21077.1± 2.4kJ/mol44.0752 ±
0.0017
54387-08-5*1
Ethylaminylium CC[NH+]1094.71078.9± 2.9kJ/mol44.0752 ±
0.0017
54387-08-5*12
Hydrogen iodide I-54.589± 0.092kJ/mol127.912410 ±
0.000076
10034-85-2*817
2-Aminoethenylium [CH+]=CN1110.51099.8± 2.4kJ/mol42.0594 ±
0.0016
64724-21-6*1
Hydrogen bromide Br-119.51± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*828
2-Aminoethenyl anion [CH-]=CN230.1219.4± 2.6kJ/mol42.0604 ±
0.0016
*64724-21-6*0
N-Methylethanamine CCNC-75.1± 2.3kJ/mol59.1103 ±
0.0025
624-78-2*500
Peroxychlorous acid O=ClOO95.489.8± 2.0kJ/mol84.4588 ±
0.0013
177778-92-6*0
Hydrogen fluoride F-322.44± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*834
Ethenyldioxy C=CO[O]122.9113.1± 2.2kJ/mol59.0440 ±
0.0017
88181-72-0*2
2-Methyl-2-propanamine CC(C)(C)N-150.58± 0.53kJ/mol73.1369 ±
0.0033
75-64-9*590
Acetic acid CC(=O)O-483.44± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*813
Acetic acid CC(=O)O-483.52± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*814
Aminomethylidyne anion [C-]N481.6478.1± 3.2kJ/mol28.03387 ±
0.00082
96808-04-7*1
Naphtalene cation c1c(cc2ccccc2c1)[H+]956.97933.90± 0.55kJ/mol128.1700 ±
0.0080
34512-27-1*0
Naphtalene anion c1c(cc2ccccc2c1)[H-]187.7164.8± 3.0kJ/mol128.1711 ±
0.0080
34509-91-6*0
Formic acid C(=O)O-425.25± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*891
Isocyanoamidogen [NH][N+]#[C-]489.7487.7± 1.2kJ/mol41.03212 ±
0.00082
947408-73-3*0
Acetic acid CC(=O)O-483.60± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*815
Propylidyne CC[C]492.6483.0± 1.2kJ/mol41.0718 ±
0.0024
85056-54-8*0
Acetic acid CC(=O)O-483.75± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*816
Ammonium hydroxide [NH4+].[OH-]-365.62± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*809
Ammonium hydroxide [NH4+].[OH-]-365.75± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*811
Nitric acid O[N+](=O)[O-]-206.04± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*828
Diazene cation N=[NH+]1132.481125.82± 0.64kJ/mol30.02881 ±
0.00020
76986-17-9*0
1,2-Butadiene CC=C=C137.78138.84± 0.63kJ/mol54.0904 ±
0.0032
590-19-2*500
Oxiranylium C1[CH+]O1901.3893.3± 1.4kJ/mol43.0441 ±
0.0016
57789-76-1*0
Methylaminyliumyl C[N+]1422.91416.0± 2.2kJ/mol29.04071 ±
0.00083
56924-51-7*2
Nitric acid O[N+](=O)[O-]-200.28± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*807
Ammonium hydroxide [NH4+].[OH-]-365.92± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*813
Chlorous acid anion O[Cl-]=O-154.3-156.1± 3.3kJ/mol68.4600 ±
0.0011
99559-66-7*0
Ethylimidogen anion CC[N-]277.3263.4± 3.6kJ/mol43.0684 ±
0.0016
82539-33-1*0
Nitric acid O[N+](=O)[O-]-203.77± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*812
Trioxidane OOO-81.72-90.32± 0.41kJ/mol50.01408 ±
0.00091
14699-99-1*0
Oxiranyl anion C1[CH-]O1121.3113.4± 1.5kJ/mol43.0452 ±
0.0016
72722-59-9*0
Acetic acid CC(=O)O-483.92± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*817
Butadiynylium [C+]#CC#C1781.31787.8± 3.2kJ/mol49.0502 ±
0.0032
76108-67-3*0
Ammonium hydroxide [NH4+].[OH-]-366.33± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*891
Hydrogen bromide Br-120.44± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*861
Formic acid cation [CH+](=O)O721.95715.41± 0.25kJ/mol46.0248 ±
0.0010
50614-05-6*0
Formic acid anion [CH-](=O)O-256.2-262.3± 1.8kJ/mol46.0259 ±
0.0010
19066-82-1*0
Ethylimidogen cation CC[N+]1394.61381.3± 3.6kJ/mol43.0673 ±
0.0016
*82539-33-1*1
Dinitrogen anion N#[N-]192.5192.5± 1.7kJ/mol28.01403 ±
0.00014
12185-02-3*0
Helium [He]-0.000-0.000± 0.000kJ/mol4.0026020 ±
0.0000020
7440-59-7*2
1-Aziridinylium [N+]1CC11265.61253.9± 3.1kJ/mol42.0594 ±
0.0016
91127-35-4*1
Ammonium hydroxide [NH4+].[OH-]-366.38± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*831
Helium dication [He++]7622.8397622.839± 0.000kJ/mol4.0015048 ±
0.0000020
12587-46-1*0
Acetic acid CC(=O)O-484.11± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*818
Acetic acid CC(=O)O-484.23± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*819
1-Aziridinide [N-]1CC1243.9231.5± 3.3kJ/mol42.0604 ±
0.0016
1358579-49-3*0
Isocyanoamidogen [NH][N+]#[C-]828.2825.6± 1.3kJ/mol41.03212 ±
0.00082
947408-73-3*2
Isocyanoamidogen [NH][N+]#[C-]837.9835.2± 2.1kJ/mol41.03212 ±
0.00082
947408-73-3*21
Dihelium [He][He]1761.3491757.613± 0.018kJ/mol8.0052040 ±
0.0000040
12184-98-4*2
Nitric acid O[N+](=O)[O-]-206.48± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*855
Hydrohelate [He][H-]143.256139.027± 0.0021kJ/mol5.011091 ±
0.000070
12325-01-8*0
Diazene cation N=[NH+]1132.481125.55± 0.64kJ/mol30.02881 ±
0.00020
76986-17-9*1
Hydrogen iodide I-55.965± 0.099kJ/mol127.912410 ±
0.000076
10034-85-2*825
Nitric acid O[N+](=O)[O-]-206.36± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*844
Acetic acid CC(=O)O-484.32± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*820
Ammonium hydroxide [NH4+].[OH-]-366.36± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*840
Nitrous oxide [N-]=[N+]=O61.42± 0.11kJ/mol44.01288 ±
0.00033
10024-97-2*1000
Hydrogen iodide I-56.137± 0.097kJ/mol127.912410 ±
0.000076
10034-85-2*829
2-Methyliumylidynehydrazin-2-ium-1-ide [NH-][N+]#[C+]1544.11542.4± 1.7kJ/mol41.03157 ±
0.00082
*947408-73-3*0
Acetic acid CC(=O)O-484.43± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*821
Nitric acid O[N+](=O)[O-]-193.74± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*803
Ammonium hydroxide [NH4+].[OH-]-366.35± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*825
2-Methanidylidynehydrazin-2-ium-1-ide [NH-][N+]#[C-]281.8279.1± 1.4kJ/mol41.03267 ±
0.00082
*947408-74-4*0
Ethynylamidogen anion C#C[NH-]233.7230.5± 3.2kJ/mol40.0446 ±
0.0016
64066-03-1*0
Neon decacation [Ne+10]338828.3338828.3± 1.4kJ/mol20.17421 ±
0.00060
32218-07-8*0
Neon hydride [Ne]H215.989211.755± 0.024kJ/mol21.18764 ±
0.00060
17438-52-7*0
2-Methanidylidynehydrazin-2-ium-1-ide [NH-][N+]#[C-]518.6516.2± 1.6kJ/mol41.03267 ±
0.00082
*947408-74-4*1
Hydroneonate [Ne][H-]143.096142.084± 0.035kJ/mol21.18819 ±
0.00060
75514-98-6*0
Hydrogen bromide Br-119.56± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*892
Ethynylaminylium C#C[NH+]1277.81277.4± 2.6kJ/mol40.0435 ±
0.0016
103835-08-1*0
Hydrogen bromide Br-119.67± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*829
Acetic acid CC(=O)O-484.51± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*822
Krypton dication [Kr++]3701.1243701.124± 0.013kJ/mol83.7989 ±
0.1000
18469-91-5*0
Hydrogen iodide I-56.434± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*837
Xenon dication [Xe++]3194.143194.14± 0.36kJ/mol131.2889 ±
0.0200
14066-95-6*0
Formate C(=O)[O-]-425.47± 0.45kJ/mol45.0180 ±
0.0010
71-47-6*800
2-Butynylium CC#C[CH2+]1085.81077.6± 1.3kJ/mol53.0820 ±
0.0032
64235-83-2*0
Formic acid C(=O)O-425.27± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*825
Hydrogen peroxide OO-129.393-135.399± 0.058kJ/mol34.01468 ±
0.00062
7722-84-1*1
Hydrogen iodide I-56.731± 0.090kJ/mol127.912410 ±
0.000076
10034-85-2*852
2-Methanidylidynehydrazin-2-ium-1-ide [NH-][N+]#[C-]531.6530.2± 2.3kJ/mol41.03267 ±
0.00082
*947408-74-4*11
Hydrogen bromide Br-119.93± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*832
Acetic acid CC(=O)O-484.54± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*891
Formic acid C(=O)O-425.34± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*831
Sulfur atom hexacation [S+6]26947.226949.0± 3.4kJ/mol32.0627 ±
0.0060
22537-26-4*0
Formic acid C(=O)O-424.94± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*924
Sulfur atom dianion [S--]454.1455.9± 3.2kJ/mol32.0671 ±
0.0060
18496-25-8*0
Hydrogen iodide I-55.09± 0.12kJ/mol127.912410 ±
0.000076
10034-85-2*818
Disulfur cation S=[S+]1030.211030.80± 0.33kJ/mol64.1315 ±
0.0120
12597-02-3*0
Disulfur anion S=[S-]-33.95-33.01± 0.52kJ/mol64.1325 ±
0.0120
12185-15-8*0
Hydroperoxonium [OH2+]O738.2727.9± 1.2kJ/mol35.02207 ±
0.00064
70850-26-9*0
2-Aziridinyl N1[CH]C1360.6349.2± 1.7kJ/mol42.0599 ±
0.0016
*23838-09-7*0
Sulfonyl cation O=[S+]=O897.07894.80± 0.13kJ/mol64.0643 ±
0.0060
12439-77-9*0
Sulfur dioxide O=S=O-331.4-320.1± 1.9kJ/mol64.0648 ±
0.0060
7446-09-5*500
Formic acid C(=O)O-425.15± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*923
Hydrogen bromide Br-120.37± 0.12kJ/mol80.9119 ±
0.0010
10035-10-6*850
Formic acid C(=O)O-425.43± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*801
Formic acid C(=O)O-425.53± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*802
Oxosulfate [S-]=O-102.60-101.83± 0.50kJ/mol48.0659 ±
0.0060
12269-52-2*0
Ammonium hydroxide [NH4+].[OH-]-366.37± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*836
Sulfur trioxide cation O=[S+](=O)=O847.66844.76± 0.68kJ/mol80.0637 ±
0.0061
12710-95-1*0
Formic acid C(=O)O-425.50± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*803
Sulfite O=[S--](=O)=O-275.1-280.6± 4.4kJ/mol80.0653 ±
0.0061
14265-45-3*0
2-Aziridinylium N1[CH+]C11010.6998.6± 3.3kJ/mol42.0594 ±
0.0016
*91127-35-4*0
Diazene anion N=[NH-]265.5258.7± 2.0kJ/mol30.02991 ±
0.00020
100429-75-2*0
Sulfur oxide peroxide O=S=[O+][O-]-26.0-30.2± 2.3kJ/mol80.0642 ±
0.0061
175799-68-5*0
Formic acid C(=O)O-425.46± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*804
Sulfur oxide peroxide O=S=[O+][O-]-3.4-7.0± 3.0kJ/mol80.0642 ±
0.0061
175799-68-5*1
Hydrogen fluoride F-322.72± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*839
Hydrogen fluoride F-321.97± 0.11kJ/mol20.006343 ±
0.000070
7664-39-3*891
Sulfuryl dichloride cation O=[S+](=O)(Cl)Cl814.2809.8± 3.2kJ/mol134.9697 ±
0.0063
*7791-25-5*0
Dichlorodioxosulfate O=[S-](=O)(Cl)Cl-604.8-607.3± 3.5kJ/mol134.9707 ±
0.0063
12599-04-1*0
Formic acid C(=O)O-425.42± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*805
Disulfur oxide cation S=[S+]=O970.65969.37± 0.61kJ/mol80.1309 ±
0.0120
135758-60-0*0
Oxothioxosulfate S=S=[O-]-231.83-233.43± 0.87kJ/mol80.1319 ±
0.0120
12143-07-6*0
Hydrogen cyanide anion [CH-]#N129.521129.042± 0.087kJ/mol27.02593 ±
0.00081
12334-27-9*0
Hydrogen chloride Cl-166.847± 0.023kJ/mol36.46064 ±
0.00090
7647-01-0*850
Sulfoniumyl [SH2+]992.71989.80± 0.19kJ/mol34.0813 ±
0.0060
26453-60-1*0
Dihydrogen sulfide ion [SH2-]108.3107.0± 3.2kJ/mol34.0824 ±
0.0060
12311-21-6*0
2-Aziridinylium N1[CH+]C11304.61292.9± 4.1kJ/mol42.0594 ±
0.0016
*91127-35-4*1
Methoxyethene C=COC-89.5-106.8± 1.1kJ/mol58.0791 ±
0.0025
107-25-5*0
Ammonium hydroxide [NH4+].[OH-]-366.37± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*838
Hydrogen iodide I-55.35± 0.11kJ/mol127.912410 ±
0.000076
10034-85-2*819
Sulfuric acid cation O[S+](=O)(=O)O401.3388.3± 3.3kJ/mol98.0789 ±
0.0061
247933-66-0*0
Nitrous acid anion O[N-]=O-105.83-109.30± 0.78kJ/mol47.01403 ±
0.00061
256393-36-9*0
2-Aziridinylium N1[CH+]C11334.61323.6± 4.8kJ/mol42.0594 ±
0.0016
*91127-35-4*11
Diazene anion N=[NH-]265.5258.7± 2.0kJ/mol30.02991 ±
0.00020
100429-75-2*1
Cycloprop-2-yliumyl [CH2+]1C=C11225.401218.24± 0.59kJ/mol40.0633 ±
0.0024
65812-78-4*0
Sulfate [O-]S(=O)(=O)[O-]-909.08± 0.14kJ/mol96.0647 ±
0.0061
14808-79-8*800
1-Methylene-2-propenylium C=C[C+]=C1059.41049.3± 1.7kJ/mol53.0820 ±
0.0032
62698-26-4*0
Tetroxidane OOOO-31.26-41.77± 0.64kJ/mol66.0135 ±
0.0012
29683-94-1*22
Sulfuric acid OS(=O)(=O)O-880.34± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*815
Sulfuric acid OS(=O)(=O)O-881.95± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*816
Sulfuric acid OS(=O)(=O)O-883.44± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*817
Sulfuric acid OS(=O)(=O)O-884.73± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*818
Sulfuric acid OS(=O)(=O)O-885.40± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*819
Sulfuric acid OS(=O)(=O)O-885.80± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*820
1,2-Difluoroethene C(F)=CF-302.83-308.92± 0.89kJ/mol64.0341 ±
0.0016
1691-13-0*0
Formic acid C(=O)O-425.36± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*807
Hydrogen fluoride F-325.44± 0.17kJ/mol20.006343 ±
0.000070
7664-39-3*850
Sulfuric acid OS(=O)(=O)O-888.00± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*829
Sulfuric acid OS(=O)(=O)O-888.44± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*830
Sulfuric acid OS(=O)(=O)O-889.19± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*831
Sulfuric acid OS(=O)(=O)O-889.79± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*832
Sulfuric acid OS(=O)(=O)O-890.31± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*833
Sulfuric acid OS(=O)(=O)O-890.80± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*834
Diisocyanogen anion [C-]#[N+][N]#[C-]456.8462.5± 3.6kJ/mol52.0354 ±
0.0016
*78800-22-3*0
Acetic acid CC(=O)O-484.67± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*892
Sulfuric acid OS(=O)(=O)O-891.86± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*838
Diazirinyl C1=N[N]1491.06487.67± 0.96kJ/mol41.03212 ±
0.00082
69967-71-1*0
Difluorovinylidene anion [C-]=C(F)F-88.2-87.1± 2.3kJ/mol62.0188 ±
0.0016
107693-92-5*0
Cyanic fluoride cation N#[C+]F1294.21294.7± 1.1kJ/mol45.01529 ±
0.00080
62532-69-8*0
Sulfuric acid OS(=O)(=O)O-896.93± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*843
Dibromovinylidene [C]=C(Br)Br510.5499.4± 4.1kJ/mol183.8294 ±
0.0026
261771-36-2*0
Nitric acid O[N+](=O)[O-]-206.15± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*833
Formic acid C(=O)O-425.30± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*809
Sulfuric acid OS(=O)(=O)O-903.14± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*852
Sulfuric acid OS(=O)(=O)O-905.84± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*855
Sulfuric acid OS(=O)(=O)O-907.13± 0.13kJ/mol98.0795 ±
0.0061
7664-93-9*861
Fluorovinylidene [C]=CF298.9300.1± 3.1kJ/mol44.0277 ±
0.0016
70302-00-0*0
Ammonium hydroxide [NH4+].[OH-]-366.06± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*816
Acetic acid CC(=O)O-484.74± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*830
Nitric acid O[N+](=O)[O-]-205.00± 0.18kJ/mol63.01288 ±
0.00091
7697-37-2*815
Acetic acid CC(=O)O-484.76± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*831
Bromovinylidene [C]=CBr466.4460.4± 3.8kJ/mol104.9333 ±
0.0019
161957-27-3*0
Water anion [H][O-][H]-50.1-53.0± 4.3kJ/mol18.01583 ±
0.00033
12259-30-2*0
Ketene C=C=O-45.23-48.41± 0.11kJ/mol42.0367 ±
0.0016
463-51-4*22
Difluorophosgene anion [O-]=C(F)F-602.3-604.2± 3.3kJ/mol66.00745 ±
0.00085
474815-26-4*0
Cyanic fluoride anion [N-]#CF-20.7-18.7± 2.9kJ/mol45.01639 ±
0.00080
34507-50-1*0
Acetic acid CC(=O)O-484.78± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*832
Formic acid C(=O)O-425.30± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*892
Fluoro(fluorooxy)methylene F[C]OF-134.8-136.0± 1.3kJ/mol66.00691 ±
0.00085
479587-30-9*0
Carbonylbis(oxy) [O]C(=O)[O]-144.7-145.8± 2.4kJ/mol60.0089 ±
0.0012
16518-45-9*0
Diazirenide C1=N[N-]1504.8501.3± 2.9kJ/mol41.03267 ±
0.00082
130614-84-5*1
2-Aziridinide N1[CH-]C1315.9303.8± 3.5kJ/mol42.0604 ±
0.0016
111127-93-6*0
2-Aziridinide N1[CH-]C1329.8317.8± 4.0kJ/mol42.0604 ±
0.0016
111127-93-6*1
Trioxygen difluoride FOOOF113.6107.8± 2.0kJ/mol85.99501 ±
0.00090
16829-28-0*2
Sulfur hydroxide oxide OS(=O)(=O)[O]-474.0-483.0± 1.7kJ/mol97.0715 ±
0.0061
12337-07-4*0
Sulfur hydroxide oxide OS(=O)(=O)[O]-473.2-482.5± 2.5kJ/mol97.0715 ±
0.0061
12337-07-4*2
Sulfur hydroxide oxide cation O[S+](=O)(=O)[O]659.0648.8± 3.5kJ/mol97.0710 ±
0.0061
*12337-07-4*0
Sulfur hydroxide oxide cation O[S+](=O)(=O)[O]663.6652.6± 3.9kJ/mol97.0710 ±
0.0061
*12337-07-4*1
Acetic acid CC(=O)O-484.79± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*833
Hydrogen iodide I-55.51± 0.11kJ/mol127.912410 ±
0.000076
10034-85-2*820
Sulfurous acid O=S(O)O-506.9-517.6± 1.3kJ/mol82.0801 ±
0.0061
7782-99-2*1
Sulfurous acid O=S(O)O-497.3-507.4± 1.4kJ/mol82.0801 ±
0.0061
7782-99-2*3
Fluorine atom nonacation [F+9]262121.1262122.9± 1.8kJ/mol18.99346598 ±
0.00000050
35424-07-8*0
Acetic acid CC(=O)O-484.79± 0.33kJ/mol60.0520 ±
0.0017
64-19-7*895
Sulfite O=[S--](=O)=O-635.18± 0.16kJ/mol80.0653 ±
0.0061
14265-45-3*800
Sulfurous acid O=S(O)O-610.03± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*828
Sulfurous acid O=S(O)O-610.75± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*829
Sulfurous acid O=S(O)O-611.28± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*830
Sulfurous acid O=S(O)O-611.72± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*908
Sulfurous acid O=S(O)O-612.09± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*831
Sulfurous acid O=S(O)O-612.69± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*832
Sulfurous acid O=S(O)O-613.19± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*833
Sulfurous acid O=S(O)O-614.13± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*836
Sulfurous acid O=S(O)O-614.82± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*839
Sulfurous acid O=S(O)O-615.91± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*840
Sulfurous acid O=S(O)O-616.67± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*841
Sulfurous acid O=S(O)O-617.71± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*842
Sulfurous acid O=S(O)O-618.12± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*899
Sulfurous acid O=S(O)O-618.45± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*843
Sulfurous acid O=S(O)O-619.04± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*844
Sulfurous acid O=S(O)O-620.02± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*847
Sulfurous acid O=S(O)O-620.61± 0.15kJ/mol82.0801 ±
0.0061
7782-99-2*850
Sulfonic acid O=S([H])(=O)O-482.1-494.7± 1.4kJ/mol82.0801 ±
0.0061
*7782-99-2*0
Hydrogen iodide I-55.697± 0.096kJ/mol127.912410 ±
0.000076
10034-85-2*821
Tetroxidane OOOO-30.93-41.38± 0.64kJ/mol66.0135 ±
0.0012
29683-94-1*23
1,2-Butadienylium CC=C=[CH+]1099.21089.8± 1.2kJ/mol53.0820 ±
0.0032
*65114-67-2*0
(Dimethylamino)methyl anion CN(C)[CH2-]190.5166.3± 3.3kJ/mol58.1029 ±
0.0025
125231-49-4*0
Oxonium [OH3+]-285.798± 0.022kJ/mol19.02267 ±
0.00037
13968-08-6*800
Platinum atom cation [Pt+]1427.81428.3± 1.7kJ/mol195.0775 ±
0.0020
20561-56-2*0
Platinum atom anion [Pt-]358.4358.9± 1.7kJ/mol195.0785 ±
0.0020
40817-31-0*0
Methoxyethene C=COC-82.1-99.2± 2.4kJ/mol58.0791 ±
0.0025
107-25-5*1
Platinum dimer cation [Pt].[Pt+]1661.01659.6± 4.3kJ/mol390.1555 ±
0.0040
73146-08-4*0
Platinum dimer anion [Pt].[Pt-]640.3639.8± 3.9kJ/mol390.1565 ±
0.0040
153298-77-2*0
Cyanogen N#CC#N273.92289.17± 0.42kJ/mol52.0349 ±
0.0016
460-19-5*500
Platinum hydride cation [Pt+][H]1336.1355.± 22.kJ/mol196.0854 ±
0.0020
87882-39-1*0
Chlorous acid cation O[Cl+]=O996.6991.6± 3.1kJ/mol68.4589 ±
0.0011
*99559-66-7*0
Hydrogen atom [H]-37.0-40.2± 1.1kJ/mol1.007940 ±
0.000070
12385-13-6*1001000
Formic acid C(=O)O-425.26± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*811
Ammonium hydroxide [NH4+].[OH-]-366.37± 0.41kJ/mol35.04584 ±
0.00047
1336-21-6*837
Cyclopropylidene [C]1CC1474.96466.93± 0.84kJ/mol40.0639 ±
0.0024
2143-70-6*0
Isocyanogen anion [C-]#[N]C#N386.6388.7± 3.3kJ/mol52.0354 ±
0.0016
*83951-85-3*0
Hydrogen atom [H]-32.-34.± 20.kJ/mol1.007940 ±
0.000070
12385-13-6*1002000
Formic acid C(=O)O-425.23± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*812
Formic acid C(=O)O-425.21± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*813
Formic acid C(=O)O-425.20± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*814
Formic acid C(=O)O-425.19± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*815
Formic acid C(=O)O-425.19± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*816
Formic acid C(=O)O-425.19± 0.60kJ/mol46.0254 ±
0.0010
64-18-6*817
Argon cation [Ar+]1520.5711520.580± 0.000kJ/mol39.94745 ±
0.00100
14791-69-6*0
Argon dimer cation [Ar][Ar+]1393.7601391.173± 0.018kJ/mol79.8955 ±
0.0020
17596-58-6*0
Argon atom dication [Ar++]4186.4294186.468± 0.013kJ/mol39.94690 ±
0.00100
15056-24-3*0
Argon dimer [Ar][Ar]-1.013-6.347± 0.0051kJ/mol79.8960 ±
0.0020
12595-59-4*0
Argon anion [Ar-]25.25.± 28.kJ/mol39.94855 ±
0.00100
16544-90-4*1
Neon anion [Ne-]13.13.± 29.kJ/mol20.18025 ±
0.00060
20205-95-2*0
Argon anion [Ar-]25.25.± 28.kJ/mol39.94855 ±
0.00100
16544-90-4*0
Helium anion [He-]51.51.± 130.kJ/mol4.0031506 ±
0.0000020
14452-58-5*1
Helium anion [He-]51.51.± 130.kJ/mol4.0031506 ±
0.0000020
14452-58-5*0
Dihelium [He][He]-0.000-6.197± 0.000kJ/mol8.0052040 ±
0.0000040
12184-98-4*3
Dihelium [He][He]-0.000-6.197± 0.000kJ/mol8.0052040 ±
0.0000040
12184-98-4*0
Dinitrogen N#N-10.30± 0.32kJ/mol28.01348 ±
0.00014
7727-37-9*1000
Dichlorine ClCl-30.21-18.49± 0.51kJ/mol70.9054 ±
0.0018
7782-50-5*500
Helium anion [He-]1868.421868.42± 0.19kJ/mol4.0031506 ±
0.0000020
14452-58-5*2
Helium [He]-0.69± 0.16kJ/mol4.0026020 ±
0.0000020
7440-59-7*1000
Dichlorine ClCl-16.54± 0.12kJ/mol70.9054 ±
0.0018
7782-50-5*1000
Dihydrogen [H][H]-4.099± 0.080kJ/mol2.01588 ±
0.00014
1333-74-0*1000
Neon [Ne]-3.87± 0.16kJ/mol20.17970 ±
0.00060
7440-01-9*1000
Dioxygen O=O-11.961± 0.041kJ/mol31.99880 ±
0.00060
7782-44-7*1000
Argon anion [Ar-]1111.1161111.116± 0.098kJ/mol39.94855 ±
0.00100
16544-90-4*2
Argon [Ar]-12.24± 0.16kJ/mol39.94800 ±
0.00100
7440-37-1*1000
Krypton anion [Kr-]110.110.± 350.kJ/mol83.8005 ±
0.1000
20205-93-0*0
Krypton [Kr]-15.63± 0.16kJ/mol83.8000 ±
0.1000
7439-90-9*1000
Xenon [Xe]-19.39± 0.64kJ/mol131.2900 ±
0.0200
7440-63-3*1000
Radon cation [Rn+]1037.071037.07± 0.61kJ/mol221.9995 ±
0.1000
22541-65-7*0
Radon [Rn]-21.33± 0.96kJ/mol222.0000 ±
0.1000
10043-92-2*1000
Hydron [H+]00exact1.007391 ±
0.000070
12408-02-5*800


References
1   B. Ruscic, R. E. Pinzon, M. L. Morton, G. von Laszewski, S. Bittner, S. G. Nijsure, K. A. Amin, M. Minkoff, and A. F. Wagner,
Introduction to Active Thermochemical Tables: Several "Key" Enthalpies of Formation Revisited.
J. Phys. Chem. A 108, 9979-9997 (2004) [DOI: 10.1021/jp047912y]
2   B. Ruscic, R. E. Pinzon, G. von Laszewski, D. Kodeboyina, A. Burcat, D. Leahy, D. Montoya, and A. F. Wagner,
Active Thermochemical Tables: Thermochemistry for the 21st Century.
J. Phys. Conf. Ser. 16, 561-570 (2005) [DOI: 10.1088/1742-6596/16/1/078]
3   B. Ruscic and D. H. Bross,
Active Thermochemical Tables (ATcT) values based on ver. 1.140 of the Thermochemical Network (2024); available at ATcT.anl.gov
4   J. H. Thorpe, J. L. Kilburn, D. Feller, P. B. Changala, D. H. Bross, B. Ruscic, and J. F. Stanton,
Elaborated Thermochemical Treatment of HF, CO, N2, and H2O: Insight into HEAT and Its Extensions
J. Chem. Phys. 155, 184109 (2021) [DOI: 10.1063/5.0069322]
5   B. Ruscic,
Uncertainty Quantification in Thermochemistry, Benchmarking Electronic Structure Computations, and Active Thermochemical Tables.
Int. J. Quantum Chem. 114, 1097-1101 (2014) [DOI: 10.1002/qua.24605]
6   B. Ruscic and D. H. Bross,
Thermochemistry
Computer Aided Chem. Eng. 45, 3-114 (2019) [DOI: 10.1016/B978-0-444-64087-1.00001-2]

Formula
The aggregate state is given in parentheses following the formula, such as: g - gas-phase, cr - crystal, l - liquid, etc.

Uncertainties
The listed uncertainties correspond to estimated 95% confidence limits, as customary in thermochemistry (see, for example, Ruscic [5] and Ruscic and Bross[6]).
Note that an uncertainty of ± 0.000 kJ/mol indicates that the estimated uncertainty is < ± 0.0005 kJ/mol.

Website Functionality Credits
The reorganization of the website was developed and implemented by David H. Bross (ANL).
The find function is based on the complete Species Dictionary entries for the appropriate version of the ATcT TN.
The molecule images are rendered by Indigo-depict.
The XYZ renderings are based on Jmol: an open-source Java viewer for chemical structures in 3D. http://www.jmol.org/.

Acknowledgement
This work was supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, Division of Chemical Sciences, Geosciences and Biosciences under Contract No. DE-AC02-06CH11357.