1H-Tetrazole, 1,5-diphenyl-
- Formula: C13H10N4
- Molecular weight: 222.2453
- IUPAC Standard InChI: InChI=1S/C13H10N4/c1-3-7-11(8-4-1)13-14-15-16-17(13)12-9-5-2-6-10-12/h1-10H
- IUPAC Standard InChIKey: FCERNNLMTCOKHX-UHFFFAOYSA-N
- CAS Registry Number: 7477-73-8
- 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 120. ± 2. | kJ/mol | V | Balepin, Lebedev, et al., 1977 | ALS |
| ΔsubH° | 120.0 | kJ/mol | N/A | Balepin, Lebedev, et al., 1977 | DRB |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 121.5 | 348. | V | McEwan and Rigg, 1951 | ALS |
| 121.5 ± 4.2 | 355. | ME | McEwan and Rigg, 1951 | Based on data from 348. to 363. K. See also Cox and Pilcher, 1970.; AC |
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.
Balepin, Lebedev, et al., 1977
Balepin, A.A.; Lebedev, V.P.; Miroshnichenko, E.A.; Koldobskii, G.I.; Ostovskii, V.A.; Larionov, B.P.; Gidaspov, B.V.; Lebedev, Yu.A.,
Energy effects in polyphenylenes and phenyltetrazoles,
Svoistva Veshchestv Str. Mol., 1977, 93-98. [all data]
McEwan and Rigg, 1951
McEwan, W.S.; Rigg, M.W.,
The heats of combustion of compounds containing the tetrazole ring,
J. Am. Chem. Soc., 1951, 73, 4725-4727. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [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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