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Difluorochloromethane

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Reaction thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

CClF2- + Hydrogen cation = Difluorochloromethane

By formula: CClF2- + H+ = CHClF2

Quantity Value Units Method Reference Comment
Deltar>1567.8kJ/molAcidPaulino and Squires, 1991gas phase; Probably CF2..Cl-, non-covalent.; B
Deltar1583. ± 29.kJ/molD-EADispert and Lacmann, 1978gas phase; From CF2Cl2; B
Quantity Value Units Method Reference Comment
Deltar>1535.4 ± 3.7kJ/molH-TSPaulino and Squires, 1991gas phase; Probably CF2..Cl-, non-covalent.; B
Deltar1550. ± 30.kJ/molH-TSDispert and Lacmann, 1978gas phase; From CF2Cl2; B

Chlorine anion + Difluorochloromethane = (Chlorine anion bullet Difluorochloromethane)

By formula: Cl- + CHClF2 = (Cl- bullet CHClF2)

Quantity Value Units Method Reference Comment
Deltar72.0 ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar96.2J/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)CF3H, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity Value Units Method Reference Comment
Deltar43.1 ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M

2Difluorochloromethane = Ethene, tetrafluoro- + 2Hydrogen chloride

By formula: 2CHClF2 = C2F4 + 2HCl

Quantity Value Units Method Reference Comment
Deltar121.6kJ/molKinEdwards and Small, 1965gas phase; Corrected for CODATA value of «DELTA»fH; ALS

2Fluorodichloromethane = Trichloromethane + Difluorochloromethane

By formula: 2CHCl2F = CHCl3 + CHClF2

Quantity Value Units Method Reference Comment
Deltar-14.2 ± 2.0kJ/molEqkHess and Kemnitz, 1992gas phase; Gas Phase; ALS

2Difluorochloromethane = Fluorodichloromethane + Fluoroform

By formula: 2CHClF2 = CHCl2F + CHF3

Quantity Value Units Method Reference Comment
Deltar-14.2 ± 2.0kJ/molEqkHess and Kemnitz, 1992gas phase; ALS

References

Go To: Top, Reaction thermochemistry data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Paulino and Squires, 1991
Paulino, J.A.; Squires, R.R., Carbene Anion Complexes - Unusual Structural and Thermochemical Features of alpha-Halocarbanions in the Gas Phase, J. Am. Chem. Soc., 1991, 113, 5, 1845, https://doi.org/10.1021/ja00005a067 . [all data]

Dispert and Lacmann, 1978
Dispert, H.; Lacmann, K., Negative ion formation in collisions between potassium and fluoro- and chloromethanes: Electron affinities and bond dissociation energies, Int. J. Mass Spectrom. Ion Phys., 1978, 28, 49. [all data]

Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria, J. Am. Chem. Soc., 1984, 106, 517. [all data]

Larson and McMahon, 1984, 2
Larson, J.W.; McMahon, T.B., Gas phase negative ion chemistry of alkylchloroformates, Can. J. Chem., 1984, 62, 675. [all data]

Edwards and Small, 1965
Edwards, J.W.; Small, P.A., Kinetics of the pyrolysis of chlorodifluoromethane, Ind. Eng. Chem. Fundam., 1965, 4, 396-400. [all data]

Hess and Kemnitz, 1992
Hess, A.; Kemnitz, E., Heterogeneously catalyzed dismutation and conmutation reactions of CHCl3-nFnchlorofluorocarbons. A kinetic study, Appl. Catal. A:, 1992, 82, 247-257. [all data]


Notes

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