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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

C2HCl2O2- + Hydrogen cation = Acetic acid, dichloro-

By formula: C2HCl2O2- + H+ = C2H2Cl2O2

Quantity Value Units Method Reference Comment
Δr1374. ± 8.8kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Δr1374. ± 11.kJ/molG+TSCumming and Kebarle, 1978gas phase
Δr1369. ± 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
Δr1347. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase
Δr1347. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase
Δr1342. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale

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

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

Quantity Value Units Method Reference Comment
Δr49.8 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K
Quantity Value Units Method Reference Comment
Δr20.5 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K

C2HCl2O2- + Water = (C2HCl2O2- • Water)

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

Quantity Value Units Method Reference Comment
Δr57.7 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K
Quantity Value Units Method Reference Comment
Δr28.5 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K

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
4.26 ± 0.16D-EACaldwell, Renneboog, et al., 1989 

Protonation reactions

C2HCl2O2- + Hydrogen cation = Acetic acid, dichloro-

By formula: C2HCl2O2- + H+ = C2H2Cl2O2

Quantity Value Units Method Reference Comment
Δr1374. ± 8.8kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Δr1374. ± 11.kJ/molG+TSCumming and Kebarle, 1978gas phase
Δr1369. ± 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
Δr1347. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase
Δr1347. ± 8.4kJ/molIMRECumming and Kebarle, 1978gas phase
Δr1342. ± 8.4kJ/molIMREFujio, McIver, et al., 1981gas phase; value altered from reference due to change in acidity scale

Ion clustering 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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C2HCl2O2- + Water = (C2HCl2O2- • Water)

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

Quantity Value Units Method Reference Comment
Δr57.7 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K
Quantity Value Units Method Reference Comment
Δr28.5 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K

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

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

Quantity Value Units Method Reference Comment
Δr49.8 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K
Quantity Value Units Method Reference Comment
Δr20.5 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff 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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