Reaction data
(
• 
) + = ( • 2)
- Reaction by formula: (I- • H2O) + H2O = (I- • 2H2O)
- Comments:
- Bond type: Hydrogen bond (negative ion to hydride)
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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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 41.4 ± 0.84 | kJ/mol | TDAs | Keesee and Castleman, 1980 | gas phase; B,M |
| ΔrH° | 39.7 | kJ/mol | N/A | Markovich, Pollack, et al., 1994 | gas phase; For photodissociation plus electron loss. Affinity is difference from lower solvated ion.; B |
| ΔrH° | 39.7 ± 0.84 | kJ/mol | TDAs | Hiraoka, Mizuse, et al., 1988 | gas phase; B,M |
| ΔrH° | 41. ± 4.2 | kJ/mol | TDAs | Payzant, Yamdagni, et al., 1971 | gas phase; B |
| ΔrH° | 41. ± 4.2 | kJ/mol | TDAs | Arshadi, Yamdagni, et al., 1970 | gas phase; B,M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 73.6 | J/mol*K | PHPMS | Hiraoka, Mizuse, et al., 1988 | gas phase; M |
| ΔrS° | 84.9 | J/mol*K | HPMS | Keesee and Castleman, 1980 | gas phase; M |
| ΔrS° | 79.5 | J/mol*K | HPMS | Arshadi, Yamdagni, et al., 1970 | gas phase; M |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 17. ± 2. | kJ/mol | AVG | N/A | Average of 6 values; Individual data points |
Free energy of reaction
| ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 17. | 300. | HPMS | Banic and Iribarne, 1985 | gas phase; electric fields; M |
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.
Keesee and Castleman, 1980
Keesee, R.G.; Castleman, A.W., Jr.,
Gas phase studies of hydration complexes of Cl- and I- and comparison to electrostatic calculations in the gas phase,
Chem. Phys. Lett., 1980, 74, 139. [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]
Hiraoka, Mizuse, et al., 1988
Hiraoka, K.; Mizuse, S.; Yamabe, S.,
Solvation of Halide Ions with H2O and CH3CN in the Gas Phase,
J. Phys. Chem., 1988, 92, 13, 3943, https://doi.org/10.1021/j100324a051
. [all data]
Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P.,
Hydration of CN-, NO2-, NO3-, and HO- in the gas phase,
Can. J. Chem., 1971, 49, 3308. [all data]
Arshadi, Yamdagni, et al., 1970
Arshadi, M.; Yamdagni, R.; Kebarle, P.,
Hydration of Halide Negative Ions in the Gas Phase. II. Comparison of Hydration Energies for the Alkali Positive and Halide Negative Ions,
J. Phys. Chem., 1970, 74, 7, 1475, https://doi.org/10.1021/j100702a014
. [all data]
Banic and Iribarne, 1985
Banic, C.M.; Iribarne, J.V.,
Equilibrium Constants for Clustering of Neutral Molecules about Gaseous Ions,
J. Chem. Phys., 1985, 83, 12, 6432, https://doi.org/10.1063/1.449543
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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