ICH2CO2 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 as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

(ICH2CO2 anion • 2Water) + Water = (ICH2CO2 anion • 3Water)

By formula: (C2H2IO2- • 2H2O) + H2O = (C2H2IO2- • 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr47.3 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
Δr18.0 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

(ICH2CO2 anion • Water) + Water = (ICH2CO2 anion • 2Water)

By formula: (C2H2IO2- • H2O) + H2O = (C2H2IO2- • 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr51.5 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
Δr22.2 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

ICH2CO2 anion + Water = (ICH2CO2 anion • Water)

By formula: C2H2IO2- + H2O = (C2H2IO2- • H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr59.4 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
Δr30.1 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

ICH2CO2 anion + Hydrogen cation = Acetic acid, iodo-

By formula: C2H2IO2- + H+ = C2H3IO2

Quantity Value Units Method Reference Comment
Δr1400. ± 9.2kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase; B
Quantity Value Units Method Reference Comment
Δr1371. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase; B

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
3.99 ± 0.16D-EACaldwell, Renneboog, et al., 1989 

Protonation reactions

ICH2CO2 anion + Hydrogen cation = Acetic acid, iodo-

By formula: C2H2IO2- + H+ = C2H3IO2

Quantity Value Units Method Reference Comment
Δr1400. ± 9.2kJ/molG+TSCaldwell, Renneboog, et al., 1989gas phase
Quantity Value Units Method Reference Comment
Δr1371. ± 8.4kJ/molIMRECaldwell, Renneboog, et al., 1989gas phase

Ion clustering data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

ICH2CO2 anion + Water = (ICH2CO2 anion • Water)

By formula: C2H2IO2- + H2O = (C2H2IO2- • H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr59.4 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
Δr30.1 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

(ICH2CO2 anion • Water) + Water = (ICH2CO2 anion • 2Water)

By formula: (C2H2IO2- • H2O) + H2O = (C2H2IO2- • 2H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr51.5 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
Δr22.2 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

(ICH2CO2 anion • 2Water) + Water = (ICH2CO2 anion • 3Water)

By formula: (C2H2IO2- • 2H2O) + H2O = (C2H2IO2- • 3H2O)

Bond type: Hydrogen bond (negative ion to hydride)

Quantity Value Units Method Reference Comment
Δr47.3 ± 6.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B
Quantity Value Units Method Reference Comment
Δr18.0 ± 1.3kJ/molTDAsBlades, Klassen, et al., 1995gas phase; T: 293 K. ΔSaff approx. 24 cal/mol-K; B,M

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes

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

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]

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]


Notes

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