CH2=C(cPr)O anion
- Formula: C5H7O-
- Molecular weight: 83.1090
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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
C5H7O- + =
By formula: C5H7O- + H+ = C5H8O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 365.7 ± 4.1 | kcal/mol | G+TS | Brickhouse and Squires, 1988 | gas phase; Between MeCHO, Me2C=NOH |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 359.0 ± 4.0 | kcal/mol | IMRB | Brickhouse and Squires, 1988 | gas phase; Between MeCHO, Me2C=NOH |
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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.90 ± 0.20 | D-EA | Brickhouse and Squires, 1988 | Between MeCHO, Me2C=NOH |
Protonation reactions
C5H7O- + =
By formula: C5H7O- + H+ = C5H8O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 365.7 ± 4.1 | kcal/mol | G+TS | Brickhouse and Squires, 1988 | gas phase; Between MeCHO, Me2C=NOH |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 359.0 ± 4.0 | kcal/mol | IMRB | Brickhouse and Squires, 1988 | gas phase; Between MeCHO, Me2C=NOH |
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.
Brickhouse and Squires, 1988
Brickhouse, M.D.; Squires, R.R.,
Gas Phase Bronsted vs. Lewis Acid-Base Reactions of 6,6-Dimethylfulvene. A Sensitive Probe of the Electronic Structures of Organic Anions,
J. Am. Chem. Soc., 1988, 110, 9, 2706, https://doi.org/10.1021/ja00217a002
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
EAneutral Electron affinity of neutral species 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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