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Cl2CHCO2 anion


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 by: John E. Bartmess

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Individual Reactions

C2HCl2O2- + Hydrogen cation = Acetic acid, dichloro-

By formula: C2HCl2O2- + H+ = C2H2Cl2O2

Quantity Value Units Method Reference Comment
Deltar1374. ± 8.8kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Deltar1374. ± 11.kJ/molG+TSCumming and Kebarle, 1978gas phase
Deltar1369. ± 8.8kJ/molG+TSFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Deltar1347. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase
Deltar1347. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase
Deltar1342. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale

(C2HCl2O2- bullet Water) + Water = (C2HCl2O2- bullet 2Water)

By formula: (C2HCl2O2- bullet H2O) + H2O = (C2HCl2O2- bullet 2H2O)

Quantity Value Units Method Reference Comment
Deltar49.8 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K
Quantity Value Units Method Reference Comment
Deltar20.5 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K

C2HCl2O2- + Water = (C2HCl2O2- bullet Water)

By formula: C2HCl2O2- + H2O = (C2HCl2O2- bullet H2O)

Quantity Value Units Method Reference Comment
Deltar57.7 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K
Quantity Value Units Method Reference Comment
Deltar28.5 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. «DELTA»Saff approx. 24 cal/mol-K

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]

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]

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]

Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P., Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I, J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019 . [all data]


Notes

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