EtCH=CHO anion
- Formula: C4H7O-
- Molecular weight: 71.0983
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Gas phase ion energetics 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
Electron affinity of neutral species
EAneutral (eV) | Method | Reference | Comment |
---|---|---|---|
1.640 ± 0.020 | LPES | Alconcel, Deyerl, et al., 2001 | |
1.670 ± 0.052 | PD | Zimmerman, Reed, et al., 1977 |
Protonation reactions
By formula: C4H7O- + H+ = C4H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1526. ± 8.8 | kJ/mol | D-EA | Alconcel, Deyerl, et al., 2001 | gas phase |
ΔrH° | 1523. ± 9.6 | kJ/mol | D-EA | Zimmerman, Reed, et al., 1977 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1499. ± 9.6 | kJ/mol | H-TS | Alconcel, Deyerl, et al., 2001 | gas phase |
ΔrG° | 1496. ± 10. | kJ/mol | H-TS | Zimmerman, Reed, et al., 1977 | gas phase |
References
Go To: Top, 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.
Alconcel, Deyerl, et al., 2001
Alconcel, L.S.; Deyerl, H.J.; Continetti, R.E.,
Effects of alkyl substitution on the energetics of enolate anions and radicals,
J. Am. Chem. Soc., 2001, 123, 50, 12675-12681, https://doi.org/10.1021/ja0120431
. [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
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- 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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