CF2=C(CF3)O anion
- Formula: C3F5O-
- Molecular weight: 147.0241
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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 |
|---|---|---|---|
| 2.10 ± 0.30 | EIAE | Harland and Thynne, 1970 | From (CF3)2CO |
Protonation reactions
C3F5O- + =
By formula: C3F5O- + H+ = C3HF5O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 337.5 ± 4.2 | kcal/mol | G+TS | Farid and McMahon, 1980 | gas phase; Between FCH2CO2H, HCl; nearer to HCl; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 330.7 ± 4.1 | kcal/mol | IMRB | Farid and McMahon, 1980 | gas phase; Between FCH2CO2H, HCl; nearer to HCl; value altered from reference due to change in acidity scale |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Harland and Thynne, 1970
Harland, P.; Thynne, J.C.J.,
Positive and negative ion formation in hexafluoroacetone by electron impact,
J. Phys. Chem., 1970, 74, 52. [all data]
Farid and McMahon, 1980
Farid, R.; McMahon, T.B.,
The gas phase acidities of fluorinated acetones. An ICR investigation of the role of fluorine substituents in the stabilization of planar carbanions,
Can. J. Chem., 1980, 58, 2307. [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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