(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 | -827. ± 5. | kJ/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
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Individual Reactions
H4ClO2- + + 2
= CH8ClO3-
By formula: H4ClO2- + CH4O + 2H2O = CH8ClO3-
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 43.51 ± 0.84 | kJ/mol | TDAs | Evans and Keesee, 1991 | gas phase |
| ΔrH° | 47.7 ± 1.3 | kJ/mol | TDAs | Evans and Keesee, 1991 | gas phase; For solvation by MeOH of core ion |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 24.3 | kJ/mol | TDAs | Evans and Keesee, 1991 | gas phase |
| ΔrG° | 25.1 | kJ/mol | TDAs | Evans and Keesee, 1991 | gas phase; For solvation by MeOH of core ion |
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.
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]
Notes
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- Symbols used in this document:
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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