(mesityl)2C=C(Me)O anion
- Formula: C21H25O-
- Molecular weight: 293.4231
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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 by: John E. Bartmess
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Individual Reactions
C21H25O- + =
By formula: C21H25O- + H+ = C21H26O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 342.5 ± 2.5 | kcal/mol | G+TS | Mishima, Mustanir, et al., 2000 | gas phase; Keto acidity: 323 K |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 335.3 ± 2.0 | kcal/mol | IMRE | Mishima, Mustanir, et al., 2000 | gas phase; Keto acidity: 323 K |
Gas phase ion energetics 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: John E. Bartmess
Protonation reactions
C21H25O- + =
By formula: C21H25O- + H+ = C21H26O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 342.5 ± 2.5 | kcal/mol | G+TS | Mishima, Mustanir, et al., 2000 | gas phase; Keto acidity: 323 K |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 335.3 ± 2.0 | kcal/mol | IMRE | Mishima, Mustanir, et al., 2000 | gas phase; Keto acidity: 323 K |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Mishima, Mustanir, et al., 2000
Mishima, M.; Mustanir; Eventova, I.; Rappoport, Z.,
Acidities and pK(Enol) values of stable simple enols in the gas phase,
J. Chem. Soc. Perkin Trans., 2000, 2, 7, 1505-1512, https://doi.org/10.1039/b001155j
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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