(H2O)2..Cl anion
- Formula: ClH4O2-
- Molecular weight: 71.484
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Gas phase 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -198. ± 1. | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
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
H4ClO2- + + 2 = CH8ClO3-
By formula: H4ClO2- + CH4O + 2H2O = CH8ClO3-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.40 ± 0.20 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase |
ΔrH° | 11.40 ± 0.30 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; For solvation by MeOH of core ion |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 5.80 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase |
ΔrG° | 6.00 | kcal/mol | TDAs | Evans and Keesee, 1991 | gas phase; For solvation by MeOH of core ion |
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 |
---|---|---|---|
4.97 ± 0.10 | LPES | Markovich, Pollack, et al., 1994 | For photodissociation plus electron loss. Affinity is difference from lower solvated ion. |
References
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Evans and Keesee, 1991
Evans, D.H.; Keesee, R.G.,
Thermodynamics of Gas-Phase Mixed-Solvent Cluster Ions - Water and Methanol on K+ and Cl- and Comparison to Liquid Solutions,
J. Phys. Chem., 1991, 95, 9, 3558, https://doi.org/10.1021/j100162a024
. [all data]
Markovich, Pollack, et al., 1994
Markovich, G.; Pollack, S.; Giniger, R.; Cheshnovsky, O.,
Photoelectron spectroscopy of Cl-, Br-, and I- solvated in water clusters,
J. Chem. Phys., 1994, 101, 11, 9344, https://doi.org/10.1063/1.467965
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species ΔfH°gas Enthalpy of formation of gas at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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