pentafluorophenoxide anion
- Formula: C6F5O-
- Molecular weight: 183.0562
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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 |
|---|---|---|---|
| 3.11 ± 0.13 | D-EA | Koppel, Taft, et al., 1994 | |
| 3.057 ± 0.087 | ECD | Hernandez-Gill, Wentworth, et al., 1984 |
Protonation reactions
C6F5O- + =
By formula: C6F5O- + H+ = C6HF5O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 328.0 ± 2.2 | kcal/mol | G+TS | Koppel, Taft, et al., 1994 | gas phase |
| ΔrH° | <389.5 ± 2.7 | kcal/mol | Acid | Briscese and Riveros, 1975 | gas phase; HO- + C6F6 -> , acidity probably ca. 320 kcal |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 320.8 ± 2.0 | kcal/mol | IMRE | Koppel, Taft, et al., 1994 | gas phase |
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.
Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M.,
The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids,
J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038
. [all data]
Hernandez-Gill, Wentworth, et al., 1984
Hernandez-Gill, N.; Wentworth, W.E.; Chen, E.C.M.,
Electron affinities of fluorinated phenoxy radicals,
J. Phys. Chem., 1984, 88, 6181. [all data]
Briscese and Riveros, 1975
Briscese, S.M.J.; Riveros, J.M.,
Gas phase nucleophilic reactions of aromatic systems,
J. Am. Chem. Soc., 1975, 97, 230. [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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