Methyl formate, protonated
- Formula: C2H5O2+
- Molecular weight: 61.0594
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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: Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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Clustering reactions
By formula: C2H5O2+ + H2O = (C2H5O2+ • H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 90.0 | kJ/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 105. | J/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
(C2H5O2+ • ) + = (C2H5O2+ • 2)
By formula: (C2H5O2+ • H2O) + H2O = (C2H5O2+ • 2H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 67.8 | kJ/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 111. | J/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
(C2H5O2+ • 2) + = (C2H5O2+ • 3)
By formula: (C2H5O2+ • 2H2O) + H2O = (C2H5O2+ • 3H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 56.9 | kJ/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 89.5 | J/mol*K | PHPMS | Meot-Ner (Mautner), 1984 | gas phase |
(C2H5O2+ • 3) + = (C2H5O2+ • 4)
By formula: (C2H5O2+ • 3H2O) + H2O = (C2H5O2+ • 4H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.0 | kJ/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase; Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 90.4 | J/mol*K | N/A | Meot-Ner (Mautner), 1984 | gas phase; Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
16. | 334. | PHPMS | Meot-Ner (Mautner), 1984 | gas phase; Entropy change calculated or estimated |
(C2H5O2+ • 4) + = (C2H5O2+ • 5)
By formula: (C2H5O2+ • 4H2O) + H2O = (C2H5O2+ • 5H2O)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 43.1 | kJ/mol | PHPMS | Meot-Ner (Mautner), 1984 | gas phase; Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 88.7 | J/mol*K | N/A | Meot-Ner (Mautner), 1984 | gas phase; Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
17. | 280. | PHPMS | Meot-Ner (Mautner), 1984 | gas phase; Entropy change calculated or estimated |
References
Go To: Top, Ion clustering data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Meot-Ner (Mautner), 1984
Meot-Ner (Mautner), M.,
The Ionic Hydrogen Bond and Ion Solvation. 2. Hydration of Onium Ions by 1 - 7 H2O Molecules. Relations Between Monomolecular, Specific and Bulk Hydration,
J. Am. Chem. Soc., 1984, 106, 5, 1265, https://doi.org/10.1021/ja00317a016
. [all data]
Notes
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- 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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