CH2COCH3, positive ion
- Formula: C3H5O+
- Molecular weight: 57.0707
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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: C3H5O+ + C2H3N = (C3H5O+ • C2H3N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 64.0 | kJ/mol | PHPMS | Meot-ner, 1988 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 79.1 | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
39. | 295. | FA | Mackay, Rakshit, et al., 1982 | gas phase |
By formula: C3H5O+ + C3H6O = (C3H5O+ • C3H6O)
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
35. | 295. | FA | Mackay, Rakshit, et al., 1982 | gas phase |
By formula: C3H5O+ + C3H8O = (C3H5O+ • C3H8O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 90.8 | kJ/mol | ICR | Caldwell, Rozeboom, et al., 1984 | gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 123. | J/mol*K | N/A | Caldwell, Rozeboom, et al., 1984 | gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 54.4 | kJ/mol | ICR | Caldwell, Rozeboom, et al., 1984 | gas phase; switching reaction(CH3O-)CH3OH, Entropy change calculated or estimated; re-evaluated using Meot-Ner(Mautner), 1986 and Paul and Kebarle, 1990 |
By formula: C3H5O+ + H2O = (C3H5O+ • H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 66.1 | kJ/mol | PHPMS | Meot-ner, 1988 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 84.9 | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase |
By formula: (C3H5O+ • H2O) + H2O = (C3H5O+ • 2H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 58.2 | kJ/mol | PHPMS | Meot-ner, 1988 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 95.4 | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase |
By formula: (C3H5O+ • 2H2O) + H2O = (C3H5O+ • 3H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 54.4 | kJ/mol | PHPMS | Meot-ner, 1988 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 115. | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase |
By formula: (C3H5O+ • 3H2O) + H2O = (C3H5O+ • 4H2O)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 45.2 | kJ/mol | PHPMS | Meot-ner, 1988 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 101. | J/mol*K | PHPMS | Meot-ner, 1988 | gas phase |
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, 1988
Meot-ner, M.,
The Ionic Hydrogen Bond and Solvation. 7. Interaction Energies of Carbanions with Solvent Molecules,
J. Am. Chem. Soc., 1988, 110, 12, 3858, https://doi.org/10.1021/ja00220a022
. [all data]
Mackay, Rakshit, et al., 1982
Mackay, G.I.; Rakshit, A.B.; Bohme, D.K.,
An Experimental Study of the Reactivity and Relative Basicity of the Methoxide Anion in the Gas Phase at Room Temperature, and their Perturbation by Methanol Solvent,
Can. J. Chem., 1982, 60, 20, 2594, https://doi.org/10.1139/v82-373
. [all data]
Caldwell, Rozeboom, et al., 1984
Caldwell, G.; Rozeboom, M.D.; Kiplinger, J.P.; Bartmess, J.E.,
Anion-alcohol hydrogen bond strengths in the gas phase,
J. Am. Chem. Soc., 1984, 106, 4660. [all data]
Meot-Ner(Mautner), 1986
Meot-Ner(Mautner), M.,
Comparative Stabilities of Cationic and Anionic Hydrogen-Bonded Networks. Mixed Clusters of Water-Methanol,
J. Am. Chem. Soc., 1986, 108, 20, 6189, https://doi.org/10.1021/ja00280a014
. [all data]
Paul and Kebarle, 1990
Paul, G.J.C.; Kebarle, P.,
Thermodynamics of the Association Reactions OH- - H2O = HOHOH- and CH3O- - CH3OH = CH3OHOCH3- in the Gas Phase,
J. Phys. Chem., 1990, 94, 12, 5184, https://doi.org/10.1021/j100375a076
. [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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