MeCH=C(Et)O anion
- Formula: C5H9O-
- Molecular weight: 85.1249
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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
C5H9O- + =
By formula: C5H9O- + H+ = C5H10O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 368.5 ± 2.2 | kcal/mol | G+TS | Cumming and Kebarle, 1978 | gas phase |
| ΔrH° | 362.8 ± 2.3 | kcal/mol | D-EA | Zimmerman, Reed, et al., 1977 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 361.4 ± 2.0 | kcal/mol | IMRE | Cumming and Kebarle, 1978 | gas phase |
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.
Cumming and Kebarle, 1978
Cumming, J.B.; Kebarle, P.,
Summary of gas phase measurements involving acids AH. Entropy changes in proton transfer reactions involving negative ions. Bond dissociation energies D(A-H) and electron affinities EA(A),
Can. J. Chem., 1978, 56, 1. [all data]
Zimmerman, Reed, et al., 1977
Zimmerman, A.H.; Reed, K.J.; Brauman, J.I.,
Photodetachment of electrons from enolate anions. Gas phase electron affinities of enolate radicals,
J. Am. Chem. Soc., 1977, 99, 7203. [all data]
Notes
Go To: Top, Reaction thermochemistry 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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