CH2=CF anion
- Formula: C2H2F-
- Molecular weight: 45.0362
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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
C2H2F- + =
By formula: C2H2F- + H+ = C2H3F
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 386.7 ± 4.1 | kcal/mol | G+TS | Rabasco and Kass, 1992 | gas phase; Comparable to PhF. Vinyl anion structure proved, rxn with D2O -> more stable HC≡CH..F- |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 379.0 ± 4.0 | kcal/mol | IMRB | Rabasco and Kass, 1992 | gas phase; Comparable to PhF. Vinyl anion structure proved, rxn with D2O -> more stable HC≡CH..F- |
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
C2H2F- + =
By formula: C2H2F- + H+ = C2H3F
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 386.7 ± 4.1 | kcal/mol | G+TS | Rabasco and Kass, 1992 | gas phase; Comparable to PhF. Vinyl anion structure proved, rxn with D2O -> more stable HC≡CH..F- |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 379.0 ± 4.0 | kcal/mol | IMRB | Rabasco and Kass, 1992 | gas phase; Comparable to PhF. Vinyl anion structure proved, rxn with D2O -> more stable HC≡CH..F- |
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.
Rabasco and Kass, 1992
Rabasco, J.J.; Kass, S.R.,
Reactions of Strong Bases with Vinyl Fluoride Formation and Characterization of 1-Fluorovinyl Anion and the Fluoride-Acetylene Hydrogen-Bond,
J. Am. Soc. Mass Spectrom., 1992, 3, 2, 91, https://doi.org/10.1016/1044-0305(92)87041-V
. [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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