C4H5F3O2S
- Formula: C4H5F3O2S
- Molecular weight: 174.142
- CAS Registry Number: 61795-20-8
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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
De-protonation reactions
C4H4F3O2S- + = C4H5F3O2S
By formula: C4H4F3O2S- + H+ = C4H5F3O2S
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 343.3 ± 2.1 | kcal/mol | G+TS | Taft, 1987 | gas phase; Acid = CF3SO2CH2CH=CH2; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 336.2 ± 2.0 | kcal/mol | IMRE | Taft, 1987 | gas phase; Acid = CF3SO2CH2CH=CH2; 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, 1987
Taft, R.W.,
The Nature and Analysis of Substitutent Electronic Effects,
Personal communication. See also Prog. Phys. Org. Chem., 1987, 16, 1. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
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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