CF3CO anion
- Formula: C2F3O-
- Molecular weight: 97.0166
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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
C2F3O- + = C2HF3O
By formula: C2F3O- + H+ = C2HF3O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | >1623. ± 17. | kJ/mol | D-EA | Harland and Thynne, 1970 | gas phase; From (CF3)2CO. Values unreasonable: ΔHf(CF3CO-)must be less than ΔHf(CF3-+CO)=-181. G3MP2B3 EA = 1.6 eV |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | >1590. ± 17. | kJ/mol | H-TS | Harland and Thynne, 1970 | gas phase; From (CF3)2CO. Values unreasonable: ΔHf(CF3CO-)must be less than ΔHf(CF3-+CO)=-181. G3MP2B3 EA = 1.6 eV |
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
Electron affinity of neutral species
| EAneutral (eV) | Method | Reference | Comment |
|---|---|---|---|
| <0.599986 | EIAE | Harland and Thynne, 1970 | From (CF3)2CO. Values unreasonable: ΔHf(CF3CO-)must be less than ΔHf(CF3-+CO)=-181. G3MP2B3 EA = 1.6 eV |
Protonation reactions
C2F3O- + = C2HF3O
By formula: C2F3O- + H+ = C2HF3O
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | >1623. ± 17. | kJ/mol | D-EA | Harland and Thynne, 1970 | gas phase; From (CF3)2CO. Values unreasonable: ΔHf(CF3CO-)must be less than ΔHf(CF3-+CO)=-181. G3MP2B3 EA = 1.6 eV |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | >1590. ± 17. | kJ/mol | H-TS | Harland and Thynne, 1970 | gas phase; From (CF3)2CO. Values unreasonable: ΔHf(CF3CO-)must be less than ΔHf(CF3-+CO)=-181. G3MP2B3 EA = 1.6 eV |
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.
Harland and Thynne, 1970
Harland, P.; Thynne, J.C.J.,
Positive and negative ion formation in hexafluoroacetone by electron impact,
J. Phys. Chem., 1970, 74, 52. [all data]
Notes
Go To: Top, Reaction thermochemistry data, 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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