Methyl formate, protonated
- Formula: C2H5O2+
- Molecular weight: 61.0594
- Information on this page:
- Options:
Reaction thermochemistry data
Go To: Top, Ion clustering 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 by: 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
(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 |
(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+ • ) +
= (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+ + = (C2H5O2+ •
)
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 |
Ion clustering data
Go To: Top, Reaction thermochemistry 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 by: 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
C2H5O2+ + = (C2H5O2+ •
)
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, Reaction thermochemistry 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.
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
Go To: Top, Reaction thermochemistry data, Ion clustering 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.