Carbonyl selenide
- Formula: COSe
- Molecular weight: 106.97
- CAS Registry Number: 1603-84-5
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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) | Reference | Comment |
|---|---|---|---|
| 22.1 | 236. | Dykyj, Svoboda, et al., 1999 | Based on data from 221. - 252. K. |
| 21.7 | 236. | Stull, 1947 | Based on data from 156. - 251. K. |
| 22.1 | 211. | Purcell and Zahoorbux, 1937 |
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 670. | kJ/mol | N/A | Hunter and Lias, 1998 | at Se; HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 644.1 | kJ/mol | N/A | Hunter and Lias, 1998 | at Se; HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.37 | PE | Cradock and Duncan, 1975 | LLK |
| 10.36 ± 0.01 | PE | Frost, Lee, et al., 1973 | LLK |
| 10.57 ± 0.01 | PE | Frost, Lee, et al., 1973 | LLK |
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.
Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R.,
Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
Purcell and Zahoorbux, 1937
Purcell, R.H.; Zahoorbux, F.D.,
217. The kinetics of the decomposition of carbonyl selenide on an allotropic selenium surface,
J. Chem. Soc., 1937, 1029, https://doi.org/10.1039/jr9370001029
. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Cradock and Duncan, 1975
Cradock, S.; Duncan, W.,
Photoelectron spectra of OCSe and SCSe,
J. Chem. Soc. Faraday Trans. 2, 1975, 6, 1262. [all data]
Frost, Lee, et al., 1973
Frost, D.C.; Lee, S.T.; McDowell, C.A.,
Photoelectron spectra of OCSe, SCSe, and CSe2,
J. Chem. Phys., 1973, 59, 5484. [all data]
Notes
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- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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