Cyclobutane,1,1,2,2-tetrafluoro-
- Formula: C4H4F4
- Molecular weight: 128.0682
- CAS Registry Number: 374-12-9
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Gas phase 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | >-845. | kJ/mol | Ion | Ravishankara and Hanrahan, 1975 | AP |
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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C2F4+ | 12.60 | C2H4 | EI | Ravishankara and Hanrahan, 1975, 2 | |
| C2H2F2+ | 12.15 | C2H2F2 | EI | Ravishankara and Hanrahan, 1975, 2 | |
| C2H4+ | 13.15 | C2F4 | EI | Ravishankara and Hanrahan, 1975, 2 | |
| C3H4F+ | 12.85 | CF3 | EI | Ravishankara and Hanrahan, 1975, 2 | |
| C4H4F3+ | 14. ± 1. | F(-) | EI | Ravishankara and Hanrahan, 1975, 2 |
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.
Ravishankara and Hanrahan, 1975
Ravishankara, A.R.; Hanrahan, R.J.,
Electron impact investigation of 1,1,2,2-tetrafluorocyclobutane,
J. Phys. Chem., 1975, 79, 876-881. [all data]
Ravishankara and Hanrahan, 1975, 2
Ravishankara, A.R.; Hanrahan, R.J.,
An electron impact investigation of 1,1,2,2-tetrafluorocyclobutane,
J. Phys. Chem., 1975, 79, 876. [all data]
Notes
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- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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