C2F5 anion
- Formula: C2F5-
- Molecular weight: 119.0140
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Reaction thermochemistry 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
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Individual Reactions
C2F5- + =
By formula: C2F5- + H+ = C2HF5
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 374.5 ± 3.3 | kcal/mol | G+TS | Sullivan and Beauchamp, 1976 | gas phase; Between tBuOH and HF; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 366.8 ± 3.2 | kcal/mol | IMRB | Sullivan and Beauchamp, 1976 | gas phase; Between tBuOH and HF; value altered from reference due to change in acidity scale |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, 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
Protonation reactions
C2F5- + =
By formula: C2F5- + H+ = C2HF5
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 374.5 ± 3.3 | kcal/mol | G+TS | Sullivan and Beauchamp, 1976 | gas phase; Between tBuOH and HF; value altered from reference due to change in acidity scale |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 366.8 ± 3.2 | kcal/mol | IMRB | Sullivan and Beauchamp, 1976 | gas phase; Between tBuOH and HF; value altered from reference due to change in acidity scale |
References
Go To: Top, Reaction thermochemistry data, 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.
Sullivan and Beauchamp, 1976
Sullivan, S.A.; Beauchamp, J.L.,
Competition between proton transfer and elimination in the reactions of strong bases with fluoroethanes in the gas phase. Influence of base strength on reactivity,
J. Am. Chem. Soc., 1976, 98, 1160. [all data]
Notes
Go To: Top, Reaction thermochemistry data, 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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