Formyl fluoride
- Formula: CHFO
- Molecular weight: 48.0164
- CAS Registry Number: 1493-02-3
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Phase change 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: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 24.4 | 220. | A | Stephenson and Malanowski, 1987 | Based on data from 178. to 235. K. See also Fischer and Buchanan, 1964 and Dykyj, 1970. |
Gas phase ion energetics data
Go To: Top, Phase change 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 as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 12.37 ± 0.02 | PE | Wittel, 1976 | LLK |
De-protonation reactions
CFO- + = CHFO
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 1475. ± 19. | kJ/mol | EIAE | Karpas and Klein, 1977 | gas phase; From HCOF. G3MP2B3 calculations indicate an EA of ca. 2.3 eV, HOF(A-) 7 kcal/mol less stable.; B |
| ΔrH° | 1463. ± 14. | kJ/mol | Acid | Thynne and MacNeil, 1970 | gas phase; From CF2O; B |
References
Go To: Top, Phase change 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.
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Fischer and Buchanan, 1964
Fischer, G.; Buchanan, AS,
Vapour pressures of formyl fluoride and carbonyl chlorofluoride,
Aust. J. Chem., 1964, 17, 4, 481-621, https://doi.org/10.1071/CH9640481
. [all data]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Wittel, 1976
Wittel, K.,
The photoelectron spectrum of formylfluoride,
J. Electron Spectrosc. Relat. Phenom., 1976, 8, 245. [all data]
Karpas and Klein, 1977
Karpas, Z.; Klein, F.S.,
The gas phase ion chemistry of carbonyl compounds: Formyl fluoride and a binary mixture of H2CO-F2CO or H2CO-Cl2CO,
Int. J. Mass Spectrom. Ion Phys., 1977, 24, 137. [all data]
Thynne and MacNeil, 1970
Thynne, J.C.J.; MacNeil, K.A.G.,
Ionisation and dissociation of carbonyl fluoride and trifluoromethyl hypofluorite by electron impact,
Intern. J. Mass Spectrom. Ion Phys., 1970, 5, 95. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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