CF3C(Me)2O anion
- Formula: C4H6F3O-
- Molecular weight: 127.0856
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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 |
|---|---|---|---|
| 2.63 ± 0.16 | D-EA | Caldwell, McMahon, et al., 1985 | value altered from reference due to change in acidity scale |
Protonation reactions
C4H6F3O- + =
By formula: C4H6F3O- + H+ = C4H7F3O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 360.1 ± 2.1 | kcal/mol | G+TS | Caldwell, McMahon, et al., 1985 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 353.5 ± 2.0 | kcal/mol | IMRE | Caldwell, McMahon, et al., 1985 | gas phase; 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.
Caldwell, McMahon, et al., 1985
Caldwell, G.; McMahon, T.B.; Kebarle, P.; Bartmess, J.E.; Kiplinger, J.P.,
Methyl substituent effects in the gas phase acidities of halosubstituted oxygen acids. A realignment with substituent effects in solution,
J. Am. Chem. Soc., 1985, 107, 80. [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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