CH2=C=CMe anion
- Formula: C4H5-
- Molecular weight: 53.0830
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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
C4H5- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 384.3 ± 2.1 | kcal/mol | G+TS | N/A | gas phase; Relative to dGacid(MeOH)= 375. Acid: MeCH=C=CH2 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 376.2 ± 2.0 | kcal/mol | IMRE | N/A | gas phase; Relative to dGacid(MeOH)= 375. Acid: MeCH=C=CH2 |
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
C4H5- + =
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 384.3 ± 2.1 | kcal/mol | G+TS | N/A | gas phase; Relative to dGacid(MeOH)= 375. Acid: MeCH=C=CH2 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 376.2 ± 2.0 | kcal/mol | IMRE | N/A | gas phase; Relative to dGacid(MeOH)= 375. Acid: MeCH=C=CH2 |
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.
No reference data available.
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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