CH2=CHCH(OMe) anion
- Formula: C4H7O-
- Molecular weight: 71.0983
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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
C4H7O- + =
By formula: C4H7O- + H+ = C4H8O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 388.7 ± 4.1 | kcal/mol | G+TS | Dahlke and Kass, 1991 | gas phase; Between H2O, furan. Reprotonation site uncertain |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 382.0 ± 4.0 | kcal/mol | IMRB | Dahlke and Kass, 1991 | gas phase; Between H2O, furan. Reprotonation site uncertain |
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 |
|---|---|---|---|
| 0.26 ± 0.25 | D-EA | Dahlke and Kass, 1991 | Between H2O, furan. Reprotonation site uncertain |
Protonation reactions
C4H7O- + =
By formula: C4H7O- + H+ = C4H8O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 388.7 ± 4.1 | kcal/mol | G+TS | Dahlke and Kass, 1991 | gas phase; Between H2O, furan. Reprotonation site uncertain |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 382.0 ± 4.0 | kcal/mol | IMRB | Dahlke and Kass, 1991 | gas phase; Between H2O, furan. Reprotonation site uncertain |
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.
Dahlke and Kass, 1991
Dahlke, G.D.; Kass, S.R.,
Substituent Effects in the Gas Phase - 1-Substituted Allyl Anions,
J. Am. Chem. Soc., 1991, 113, 15, 5566, https://doi.org/10.1021/ja00015a008
. [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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