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F2CHCO2 anion


Gas phase ion energetics 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 by: John E. Bartmess

Electron affinity of neutral species

EAneutral (eV) Method Reference Comment
4.15 ± 0.16D-EACaldwell, Renneboog, et al., 1989 

Protonation reactions

C2HF2O2- + Hydrogen cation = Difluoroacetic acid

By formula: C2HF2O2- + H+ = C2H2F2O2

Quantity Value Units Method Reference Comment
Deltar1385. ± 9.2kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Deltar1385. ± 9.2kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Deltar1384. ± 12.kJ/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Deltar1355. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase
Deltar1355. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Deltar1354. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase

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.

Caldwell, Renneboog, et al., 1989
Caldwell, G.; Renneboog, R.; Kebarle, P., Gas Phase Acidities of Aliphatic Carboxylic Acids, Based on Measurements of Proton Transfer Equilibria, Can. J. Chem., 1989, 67, 4, 661, https://doi.org/10.1139/v89-092 . [all data]

Fujio, McIver, et al., 1981
Fujio, M.; McIver, R.T., Jr.; Taft, R.W., Effects on the acidities of phenols from specific substituent-solvent interactions. Inherent substituent parameters from gas phase acidities, J. Am. Chem. Soc., 1981, 103, 4017. [all data]

Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P., Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A), Can. J. Chem., 1978, 56, 1. [all data]


Notes

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