CF3CðC anion
- Formula: C3F3-
- Molecular weight: 93.0279
- Information on this page:
- Other data available:
- Options:
Gas phase ion energetics data
Go To: Top, 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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| 3.97 ± 0.24 | D-EA | Taft and Topsom, 1987 | value altered from reference due to change in acidity scale |
| 5.134313 | EIAE | Suzer, Illenberger, et al., 1984 | |
| <5.599956 | EIAE | Sauers, Christophorou, et al., 1979 | From CF3C≡CCF3 |
Protonation reactions
C3F3- + =
By formula: C3F3- + H+ = C3HF3
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 355.1 ± 2.1 | kcal/mol | G+TS | Taft and Topsom, 1987 | gas phase; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 347.4 ± 2.0 | kcal/mol | IMRE | Taft and Topsom, 1987 | gas phase; value altered from reference due to change in acidity scale |
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.
Taft and Topsom, 1987
Taft, R.W.; Topsom, R.D.,
The Nature and Analysis of Substituent Effects,
Prog. Phys. Org. Chem., 1987, 16, 1. [all data]
Suzer, Illenberger, et al., 1984
Suzer, S.; Illenberger, E.; Baumgartel, H.,
The loss of Br from [(CH3)2CBrCOCH3],
Org. Mass Spectrom., 1984, 19, 291. [all data]
Sauers, Christophorou, et al., 1979
Sauers, I.; Christophorou, J.G.; Carter, J.G.,
Electron attachment to perfluorocarbon compounds. III. Fragmentation of aliphatic perfluorocarbons of interest to gaseous dielectrics,
J. Chem. Phys., 1979, 71, 3016. [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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.