Selected ATcT [1, 2] enthalpy of formation based on version 1.130 of the Thermochemical Network [3]

This version of ATcT results[4] was generated by additional expansion of version 1.128 [5,6] to include with the calculations provided in reference [4].

Fluorine atom dication

Formula: [F]+2 (g)

CAS RN: 14701-07-6

ATcT ID: 14701-07-6*0

SMILES: [F+2]

InChI: InChI=1S/F/q+2

InChIKey: IDRQTCOVXYOMQX-UHFFFAOYSA-N

Hills Formula: F1+2

2D Image:

Aliases: [F]+2; Fluorine atom dication; Fluorine atom ion (2+); Atomic fluorine dication; Atomic fluorine ion (2+); Monofluorine dication; Monofluorine ion (2+); Monfluorine dication; Monfluorine ion (2+); Fluorine dication; Fluorine ion (2+); F++

Relative Molecular Mass: 18.99730604 ± 0.00000050

Δ_fH°(0 K)	Δ_fH°(298.15 K)	Uncertainty	Units
5132.471	5134.256	± 0.021	kJ/mol

3D Image of [F]+2 (g)

spin ON spin OFF

Top contributors to the provenance of Δ_fH° of [F]+2 (g)

The 3 contributors listed below account for 91.5% of the provenance of Δ_fH° of [F]+2 (g).

Please note: The list is limited to 20 most important contributors or, if less, a number sufficient to account for 90% of the provenance. The Reference acts as a further link to the relevant references and notes for the measurement. The Measured Quantity is normaly given in the original units; in cases where we have reinterpreted the original measurement, the listed value may differ from that given by the authors. The quoted uncertainty is the a priori uncertainty used as input when constructing the initial Thermochemical Network, and corresponds either to the value proposed by the original authors or to our estimate; if an additional multiplier is given in parentheses immediately after the prior uncertainty, it corresponds to the factor by which the prior uncertainty needed to be multiplied during the ATcT analysis in order to make that particular measurement consistent with the prevailing knowledge contained in the Thermochemical Network.

Contribution (%)	TN ID	Reaction	Measured Quantity	Reference
36.9	455.1	F2 (g) → F+ (g) + F- (g)	Δ_rH°(0 K) = 15.62294 ± 0.00043 eV	Matthiasson 2021
35.6	445.1	F+ (g) → [F]+2 (g)	Δ_rH°(0 K) = 282058.6 ± 1.0 cm-1	NIST Atomic Web, Palenius 1969
18.9	456.1	F2 (g) → F+ (g) + F (g)	Δ_rH°(0 K) = 19.0242 ± 0.0006 eV	Matthiasson 2021

Top 10 species with enthalpies of formation correlated to the Δ_fH° of [F]+2 (g)

Please note: The correlation coefficients are obtained by renormalizing the off-diagonal elements of the covariance matrix by the corresponding variances.
The correlation coefficient is a number from -1 to 1, with 1 representing perfectly correlated species, -1 representing perfectly anti-correlated species, and 0 representing perfectly uncorrelated species.

Correlation Coefficent (%)	Species Name	Formula	Δ_fH°(0 K)	Δ_fH°(298.15 K)	Uncertainty	Units	Relative Molecular Mass	ATcT ID
80.1	Fluorine atom cation	F+ (g)	1758.301	1760.599	± 0.017	kJ/mol	18.99785462 ± 0.00000050	14701-13-4*0
77.0	Fluorine atom	F (g)	77.253	79.359	± 0.017	kJ/mol	18.99840320 ± 0.00000050	14762-94-8*0
77.0	Fluorine atom	F (g, 2P3/2)	77.253	79.038	± 0.017	kJ/mol	18.99840320 ± 0.00000050	14762-94-8*1
77.0	Fluorine atom	F (g, 2P1/2)	82.087	83.872	± 0.017	kJ/mol	18.99840320 ± 0.00000050	14762-94-8*2
77.0	Fluoride	F- (g)	-250.912	-249.127	± 0.017	kJ/mol	18.99895178 ± 0.00000050	16984-48-8*0
69.1	Hydrogen fluoride	HF (g)	-272.679	-272.726	± 0.019	kJ/mol	20.006343 ± 0.000070	7664-39-3*0
64.1	Fluorine atom trication	[F]+3 (g)	11182.871	11186.696	± 0.032	kJ/mol	18.99675746 ± 0.00000050	14700-88-0*0
57.4	Fluoroniumyl ion	[HF]+ (g)	1275.555	1275.787	± 0.022	kJ/mol	20.005795 ± 0.000070	12381-92-9*0
40.5	Chlorine fluoride	ClF (g)	-55.623	-55.718	± 0.030	kJ/mol	54.45110 ± 0.00090	7790-89-8*0
11.0	Tetrafluoromethane	CF4 (g)	-927.79	-933.76	± 0.23	kJ/mol	88.00431 ± 0.00080	75-73-0*0

Most Influential reactions involving [F]+2 (g)

Please note: The list, which is based on a hat (projection) matrix analysis, is limited to no more than 20 largest influences.

Influence Coefficient	TN ID	Reaction	Measured Quantity	Reference
1.000	446.1	[F]+2 (g) → [F]+3 (g)	Δ_rH°(0 K) = 505774 ± 2 cm-1	NIST Atomic Web, Biemont 1999
1.000	445.1	F+ (g) → [F]+2 (g)	Δ_rH°(0 K) = 282058.6 ± 1.0 cm-1	NIST Atomic Web, Palenius 1969
0.000	445.2	F+ (g) → [F]+2 (g)	Δ_rH°(0 K) = 282190.2 ± 200 cm-1
0.000	446.2	[F]+2 (g) → [F]+3 (g)	Δ_rH°(0 K) = 505410 ± 500 cm-1

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 21^st 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. 1.130 of the Thermochemical Network. Argonne National Laboratory, Lemont, Illinois 2023; available at ATcT.anl.gov [DOI: 10.17038/CSE/1997229]
4		N. Genossar, P. B. Changala, B. Gans, J.-C. Loison, S. Hartweg, M.-A. Martin-Drumel, G. A. Garcia, J. F. Stanton, B. Ruscic, and J. H. Baraban Ring-Opening Dynamics of the Cyclopropyl Radical and Cation: the Transition State Nature of the Cyclopropyl Cation J. Am. Chem. Soc. 144, 18518-18525 (2022) [DOI: 10.1021/jacs.2c07740]
5		B. Ruscic and D. H. Bross Active Thermochemical Tables: The Thermophysical and Thermochemical Properties of Methyl, CH3, and Methylene, CH2, Corrected for Nonrigid Rotor and Anharmonic Oscillator Effects. Mol. Phys. e1969046 (2021) [DOI: 10.1080/00268976.2021.1969046]
6		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]
7		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]
8		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 [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.