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Ethane, 1,1-difluoro-

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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

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Individual Reactions

Chlorine anion + Ethane, 1,1-difluoro- = (Chlorine anion bullet Ethane, 1,1-difluoro-)

By formula: Cl- + C2H4F2 = (Cl- bullet C2H4F2)

Quantity Value Units Method Reference Comment
Deltar62.3 ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M
Quantity Value Units Method Reference Comment
Deltar95.0J/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
Deltar34. ± 8.4kJ/molIMRELarson and McMahon, 1984gas phase; B,M

3Hydrogen + Ethene, 1,1-dichloro-2,2-difluoro- = Ethane, 1,1-difluoro- + 2Hydrogen chloride

By formula: 3H2 + C2Cl2F2 = C2H4F2 + 2HCl

Quantity Value Units Method Reference Comment
Deltar-348.7kJ/molChydLacher, Kianpour, et al., 1956gas phase; At 410 K; ALS

2Hydrogen + Ethene, 2-chloro-1,1-difluoro- = Ethane, 1,1-difluoro- + Hydrogen chloride

By formula: 2H2 + C2HClF2 = C2H4F2 + HCl

Quantity Value Units Method Reference Comment
Deltar-258.4kJ/molChydLacher, Kianpour, et al., 1956gas phase; At 410 K; ALS

Ethane, 1,1-difluoro- + Iodine = Hydrogen iodide + 1-Bromo-1,1-difluoroethane

By formula: C2H4F2 + I2 = HI + C2H3BrF2

Quantity Value Units Method Reference Comment
Deltar51.0 ± 0.8kJ/molEqkPickard and Rodgers, 1977gas phase; ALS

Ethene, fluoro- + hydrogen fluoride = Ethane, 1,1-difluoro-

By formula: C2H3F + HF = C2H4F2

Quantity Value Units Method Reference Comment
Deltar-50.kJ/molEqkMoore, 1971gas 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.

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]

Lacher, Kianpour, et al., 1956
Lacher, J.R.; Kianpour, A.; Oetting, F.; Park, J.D., Reaction calorimetry. The hydrogenation of organic fluorides and chlorides, Trans. Faraday Soc., 1956, 52, 1500-1508. [all data]

Pickard and Rodgers, 1977
Pickard, J.M.; Rodgers, A.S., The kinetics and thermochemistry of the reaction of 1,1-difluoroethane with iodine. The difluoromethylene-hydrogen bond dissociation energy in 1,1-difluoroethane and the heat of formation of 1,1-difluoroethyl, J. Am. Chem. Soc., 1977, 99, 691-694. [all data]

Moore, 1971
Moore, L.O., Kinetics and thermodynamic data for the hydrogen fluoride addition to vinyl fluoride, Can. J. Chem., 1971, 49, 2471-2475. [all data]


Notes

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