Acetyl radical, positive ion
- Formula: C2H3O+
- Molecular weight: 43.0441
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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
C2H3O+ + = (C2H3O+ •
)
By formula: C2H3O+ + C3H6O = (C2H3O+ • C3H6O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 12.5 | kcal/mol | PI | Trott, Blais, et al., 1978 | gas phase |
C2H3O+ + = (C2H3O+ •
)
By formula: C2H3O+ + H2O = (C2H3O+ • H2O)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 24.6 | kcal/mol | HPMS | Davidson, Lau, et al., 1978 | gas phase; forms CH3COOH2+ |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrS° | 33.1 | cal/mol*K | HPMS | Davidson, Lau, et al., 1978 | gas phase; forms CH3COOH2+ |
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.
Trott, Blais, et al., 1978
Trott, W.M.; Blais, N.C.; Walters, E.A.,
Molecular beam photoionization study of acetone and acetone-d6,
J. Chem. Phys., 1978, 69, 3150. [all data]
Davidson, Lau, et al., 1978
Davidson, W.R.; Lau, Y.K.; Kebarle, P.,
Gas Phase Dissociation of Protonated Acetic Acid to the Acyl Cation and Water. Heat of Formation of CH3CO+ and Proton Affinity of Ketene,
Can. J. Chem., 1978, 56, 7, 1016, https://doi.org/10.1139/v78-170
. [all data]
Notes
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- Symbols used in this document:
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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