CH2=CFCH2 anion
- Formula: C3H4F-
- Molecular weight: 59.0628
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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
C3H4F- + =
By formula: C3H4F- + H+ = C3H5F
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 379.1 ± 3.1 | kcal/mol | G+TS | Bartmess and Burnham, 1984 | gas phase; value altered from reference due to change in acidity scale |
| ΔrH° | 377.4 ± 2.1 | kcal/mol | G+TS | McMahon and Northcott, 1978 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 372.5 ± 3.0 | kcal/mol | IMRB | Bartmess and Burnham, 1984 | gas phase; value altered from reference due to change in acidity scale |
| ΔrG° | 370.8 ± 2.0 | kcal/mol | IMRB | McMahon and Northcott, 1978 | gas phase; value altered from reference due to change in acidity scale |
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
C3H4F- + =
By formula: C3H4F- + H+ = C3H5F
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 379.1 ± 3.1 | kcal/mol | G+TS | Bartmess and Burnham, 1984 | gas phase; value altered from reference due to change in acidity scale |
| ΔrH° | 377.4 ± 2.1 | kcal/mol | G+TS | McMahon and Northcott, 1978 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 372.5 ± 3.0 | kcal/mol | IMRB | Bartmess and Burnham, 1984 | gas phase; value altered from reference due to change in acidity scale |
| ΔrG° | 370.8 ± 2.0 | kcal/mol | IMRB | McMahon and Northcott, 1978 | gas phase; value altered from reference due to change in acidity scale |
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.
Bartmess and Burnham, 1984
Bartmess, J.E.; Burnham, R.,
Effect of central substituents on the gas phase acidities of propenes,
J. Org. Chem., 1984, 49, 1382. [all data]
McMahon and Northcott, 1978
McMahon, T.B.; Northcott, C.J.,
The Fluoroformate Ion FCO2-: An ICR study of the gas phase lewis acidity of carbon dioxide and related isoelectronic species,
Can. J. Chem., 1978, 56, 1068. [all data]
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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