1,2,3-Selenadiazole, 4-phenyl-
- Formula: C8H6N2Se
- Molecular weight: 209.11
- IUPAC Standard InChI: InChI=1S/C8H6N2Se/c1-2-4-7(5-3-1)8-6-11-10-9-8/h1-6H
- IUPAC Standard InChIKey: LEWDFWSHOZUNRZ-UHFFFAOYSA-N
- CAS Registry Number: 25660-64-4
- Chemical structure:
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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 as indicated in comments:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 94.1 ± 0.8 | kJ/mol | GS | Arshadi and Shabrang, 1973 | AC |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 90.7 | 336. | A | Stephenson and Malanowski, 1987 | Based on data from 327. to 345. K.; AC |
| 91.2 ± 1.7 | 309. | ME | Arshadi, 1974 | Based on data from 275. to 343. K.; AC |
| 94.1 ± 0.8 | 327. | V | Arshadi and Shabrang, 1973, 2 | ALS |
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.
Arshadi and Shabrang, 1973
Arshadi, M.R.; Shabrang, M.,
J. Chem. Soc. Perkins II, 1973, 1732. [all data]
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]
Arshadi, 1974
Arshadi, Mohammed R.,
Determination of heats of sublimation of organic compounds by a mass spectrometric--knudsen effusion method,
J. Chem. Soc., Faraday Trans. 1, 1974, 70, 0, 1569, https://doi.org/10.1039/f19747001569
. [all data]
Arshadi and Shabrang, 1973, 2
Arshadi, M.R.; Shabrang, M.,
Heats of combustion and formation of 4-phenyl-1,2,3-selenadiazole and dibenzyl diselenide,
J. Chem. Soc. Perkin Trans. 2, 1973, 1732-1734. [all data]
Notes
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- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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