2,5-Diphenyltetrazole
- Formula: C13H10N4
- Molecular weight: 222.2453
- IUPAC Standard InChI: InChI=1S/C13H10N4/c1-3-7-11(8-4-1)13-14-16-17(15-13)12-9-5-2-6-10-12/h1-10H
- IUPAC Standard InChIKey: OJPYZWGULWNRSE-UHFFFAOYSA-N
- CAS Registry Number: 18039-45-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 2H-Tetrazole, 2,5-diphenyl-; 2,5-Diphenyl-2H-tetrazole; 2,5-Diphenyltetrazol
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Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | 94.40 | kcal/mol | Ccb | McEwan and Rigg, 1951 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1658.66 ± 0.51 | kcal/mol | Ccb | McEwan and Rigg, 1951 |
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
AC - William E. Acree, Jr., James S. Chickos
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 28.60 | 333. | V | McEwan and Rigg, 1951 | ALS |
| 28.6 ± 1.0 | 343. | ME | McEwan and Rigg, 1951 | Based on data from 333. to 353. 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.
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
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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