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
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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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