Hydrazine, 1,2-diphenyl-
- Formula: C12H12N2
- Molecular weight: 184.2371
- IUPAC Standard InChI: InChI=1S/C12H12N2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10,13-14H
- IUPAC Standard InChIKey: YBQZXXMEJHZYMB-UHFFFAOYSA-N
- CAS Registry Number: 122-66-7
- 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: Hydrazobenzene; Benzene, hydrazodi-; Benzene, 1,1'-hydrazobis-; N,N'-Bianiline; N,N'-Diphenylhydrazine; 1,2-Diphenylhydrazine; (sym)-Diphenylhydrazine; Hydrazobenzen; NCI-C01854; Rcra waste number U109; NSC 3510
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas phase ion energetics 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | 52.9 | kcal/mol | Cm | Cole and Gilbert, 1951 | |
| ΔfH°solid | 66.9 | kcal/mol | Ccb | Lemoult, 1908 | see Lemoult, 1906 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1591.4 | kcal/mol | Cm | Cole and Gilbert, 1951 | |
| ΔcH°solid | -1590.4 ± 0.3 | kcal/mol | Ccb | Pongratz, Bohmert-Sub, et al., 1944 | |
| ΔcH°solid | -1587.9 ± 1.6 | kcal/mol | Ccb | Swietoslawski and Bobinska, 1929 | |
| ΔcH°solid | -1605.42 | kcal/mol | Ccb | Lemoult, 1908 | see Lemoult, 1906 |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 401.9 | K | N/A | Cole and Gilbert, 1951, 2 | Uncertainty assigned by TRC = 0.5 K |
| Tfus | 407. | K | N/A | Tammann, 1913 | Uncertainty assigned by TRC = 1. K |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, 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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.78 ± 0.05 | PE | Rademacher, Bass, et al., 1977 | |
| 7.78 | PE | Rademacher, 1975 | Vertical value |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Cole and Gilbert, 1951
Cole, L.G.; Gilbert, E.C.,
The heats of combustion of some nitrogen compounds and the apparent energy of the N-N bond,
J. Am. Chem. Soc., 1951, 73, 5423-5427. [all data]
Lemoult, 1908
Lemoult, M.P.,
Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques,
Ann. Chim. Phys., 1908, 13, 562-574. [all data]
Lemoult, 1906
Lemoult, M.P.,
Thermochimie. - Chaleur de combustion et de formation de quelques composes cycliques azotes,
Compt. Rend., 1906, 143, 772-775. [all data]
Pongratz, Bohmert-Sub, et al., 1944
Pongratz, A.; Bohmert-Sub, S.; Scholtis, K.,
Zur thermochemie der benzidin-umlagerung,
Ber., 1944, 77, 651-735. [all data]
Swietoslawski and Bobinska, 1929
Swietoslawski, M.W.; Bobinska, M.J.,
O cieple spalania kamfory, azobenzenu i hydrazobenzenu - Sur la chaleur de combustion du comphre, de l'hydrazobenzene,
Rocz. Chem., 1929, 9, 723-730. [all data]
Cole and Gilbert, 1951, 2
Cole, L.G.; Gilbert, E.C.,
The Heats of Combustion of Some Nitrogen Compounds and the Apparent Energy of the N-N Bond,
J. Am. Chem. Soc., 1951, 73, 5423. [all data]
Tammann, 1913
Tammann, G.,
Nachr. Ges. Wiss. Goettingen, Math.-Phys. Kl., 1913, 1913, 335. [all data]
Rademacher, Bass, et al., 1977
Rademacher, P.; Bass, V.-M.; Wildemann, M.; Weger, H.,
Photoelektronenspektren und Konformation von Hydrazobenzolen,
Chem. Ber., 1977, 110, 1939. [all data]
Rademacher, 1975
Rademacher, P.,
Acyclische Hydrazine,
Chem. Ber., 1975, 108, 1548. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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