1,1,2-Trifluoroethane

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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:
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

CN- + 1,1,2-Trifluoroethane = (CN- • 1,1,2-Trifluoroethane)

By formula: CN- + C2H3F3 = (CN- • C2H3F3)

Quantity Value Units Method Reference Comment
Δr18.4kcal/molICRLarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Δr24.8cal/mol*KN/ALarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M
Quantity Value Units Method Reference Comment
Δr11.0kcal/molICRLarson and McMahon, 1987gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M

Chlorine anion + 1,1,2-Trifluoroethane = (Chlorine anion • 1,1,2-Trifluoroethane)

By formula: Cl- + C2H3F3 = (Cl- • C2H3F3)

Quantity Value Units Method Reference Comment
Δr18.9kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity Value Units Method Reference Comment
Δr25.0cal/mol*KN/ALarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M
Quantity Value Units Method Reference Comment
Δr11.4kcal/molICRLarson and McMahon, 1984gas phase; switching reaction(Cl-)t-C4H9OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M

Fluorine anion + 1,1,2-Trifluoroethane = (Fluorine anion • 1,1,2-Trifluoroethane)

By formula: F- + C2H3F3 = (F- • C2H3F3)

Quantity Value Units Method Reference Comment
Δr26.5kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr25.9cal/mol*KN/ALarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M
Quantity Value Units Method Reference Comment
Δr18.8kcal/molICRLarson and McMahon, 1983gas phase; switching reaction(F-)H2O, Entropy change calculated or estimated; Arshadi, Yamdagni, et al., 1970; M

2Hydrogen + Ethene, chlorotrifluoro- = 1,1,2-Trifluoroethane + Hydrogen chloride

By formula: 2H2 + C2ClF3 = C2H3F3 + HCl

Quantity Value Units Method Reference Comment
Δr-63.98 ± 0.50kcal/molChydLacher, Kianpour, et al., 1956gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -64.92 kcal/mol; At 410 K; ALS

References

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

Larson and McMahon, 1987
Larson, J.W.; McMahon, T.B., Hydrogen bonding in gas phase anions. The energetics of interaction between cyanide ion and bronsted acids, J. Am. Chem. Soc., 1987, 109, 6230. [all data]

Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P., Hydration of CN-, NO2-, NO3-, and HO- in the gas phase, Can. J. Chem., 1971, 49, 3308. [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]

Larson and McMahon, 1983
Larson, J.W.; McMahon, T.B., Strong hydrogen bonding in gas-phase anions. An ion cyclotron resonance determination of fluoride binding energetics to bronsted acids from gas-phase fluoride exchange equilibria measurements, J. Am. Chem. Soc., 1983, 105, 2944. [all data]

Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P., Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions, J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014 . [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]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]


Notes

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