MeCHClCO2 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
3.89 ± 0.16D-EACaldwell, Renneboog, et al., 1989dHf(AH) from GpAd in Stein, Rikkers, et al. is seriously in error

Protonation reactions

C3H4ClO2- + Hydrogen cation = Propanoic acid, 2-chloro-

By formula: C3H4ClO2- + H+ = C3H5ClO2

Quantity Value Units Method Reference Comment
Δr1410. ± 8.8kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase; dHf(AH) from GpAd in Stein, Rikkers, et al. is seriously in error
Δr1407. ± 9.6kJ/molG+TSCumming and Kebarle, 1978gas phase
Quantity Value Units Method Reference Comment
Δr1382. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase; dHf(AH) from GpAd in Stein, Rikkers, et al. is seriously in error
Δr1380. ± 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]

Stein, Rikkers, et al.
Stein, S.E.; Rikkers, J.M.; Brown, R.L., NIST Structure anmd Properties Database and Estimation Program, Ver. 1.1, NIST Standard Reference Database 25. [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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