(CF3)3C anion
- Formula: C4F9-
- Molecular weight: 219.0290
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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 |
|---|---|---|---|
| 3.83 ± 0.23 | D-EA | Koppel, Pihl, et al., 1994 | |
| 3.40 ± 0.10 | EIAE | Spyrou, Hunter, et al., 1985 | From (CF3)3CF |
| 3.40 ± 0.20 | EIAE | Spyrou, Sauers, et al., 1983 | From (CF3)3CF |
Protonation reactions
C4F9- + =
By formula: C4F9- + H+ = C4HF9
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 334.3 ± 2.1 | kcal/mol | G+TS | Koppel, Pihl, et al., 1994 | gas phase |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 326.6 ± 2.0 | kcal/mol | IMRE | Koppel, Pihl, et al., 1994 | gas phase |
References
Go To: Top, 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.
Koppel, Pihl, et al., 1994
Koppel, I.A.; Pihl, V.; Koppel, I.A.; Anvia, F.; Taft, R.W.,
Thermodynamic acidity of (CF3)3CH and 1H-undecafluorobicyclo[2.2.1]heptane: The concept of anionic (fluorine) hyperconjugation,
J. Am. Chem. Soc., 1994, 116, 19, 8654, https://doi.org/10.1021/ja00098a027
. [all data]
Spyrou, Hunter, et al., 1985
Spyrou, S.M.; Hunter, S.R.; Christophorou, L.G.,
A study of the isomeric dependence of low-energy (<10 eV) electron attachment: Perfluoroalkanes,
J. Chem. Phys., 1985, 83, 641. [all data]
Spyrou, Sauers, et al., 1983
Spyrou, S.M.; Sauers, I.; Christophorou, L.G.,
Electron attachment to the perfluoroalkanes n-CnF2n+2 (n = 1-6) and i-C4F10,
J. Chem. Phys., 1983, 78, 7200. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- 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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