Reference Label	Details
Manion 2002	J. A. Manion, J. Phys. Chem. Ref. Data 31, 123-172 (2002) Evaluated Enthalpies of Formation of the Stable Closed Shell C1 and C2 Chlorinated Hydrocarbons
Leach 2015	S. Leach, Mol. Phys. 113, 2302-2319 (2015) Size Effects on Cation Heats of Formation. IV. Methyl and Ethyl Substitutions in Methyl, Methylene, Acetylene and Ethene