Hydrazine, 1,2-diphenyl-
- Formula: C12H12N2
- Molecular weight: 184.2371
- 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
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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 | 221. | kJ/mol | Cm | Cole and Gilbert, 1951 | |
ΔfH°solid | 280. | kJ/mol | Ccb | Lemoult, 1908 | see Lemoult, 1906 |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -6658.4 | kJ/mol | Cm | Cole and Gilbert, 1951 | |
ΔcH°solid | -6654. ± 1. | kJ/mol | Ccb | Pongratz, Bohmert-Sub, et al., 1944 | |
ΔcH°solid | -6643.8 ± 6.7 | kJ/mol | Ccb | Swietoslawski and Bobinska, 1929 | |
ΔcH°solid | -6717.08 | kJ/mol | Ccb | Lemoult, 1908 | see Lemoult, 1906 |
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: 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 |
Reaction 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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C12H12N2 = C12H12N2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -102.8 ± 1.0 | kJ/mol | Cm | Pongratz, Bohmert-Sub, et al., 1944 | solid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -106.4 ± 0.2 kJ/mol; Heat of transposition |
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 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 |
IR Spectrum
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Additional Data
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Owner | SRD/NIST Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | EPA-IR VAPOR PHASE LIBRARY |
State | gas |
Mass spectrum (electron ionization)
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1994 |
NIST MS number | 133906 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Source | Tosi, 1966 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 19820 |
Instrument | Beckman DK 2 |
Melting point | 131 |
Gas Chromatography
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1 | 1588. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1588. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1596. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Superox 0.6; Carbowax 20M | 2299. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 2299. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 275.43 | Chen, Keeran, et al., 2002 | 30. m/0.25 mm/0.5 μm, 40. C @ 1. min, 10. K/min; Tend: 310. C |
Capillary | DB-5MS | 276.42 | Chen, Keeran, et al., 2002 | 30. m/0.25 mm/0.5 μm, 40. C @ 1. min, 4. K/min; Tend: 310. C |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, NIST Subscription Links, 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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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]
Tosi, 1966
Tosi, C.,
Uv atlas of organic compounds, 1966, 2, D11/24. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Chen, Keeran, et al., 2002
Chen, P.H.; Keeran, W.S.; Van Ausdale, W.A.; Schindler, D.R.; Roberts, D.W.,
Application of Lee retention indices to the confirmation of tentatively identified compounds from GC/MS analysis of environmental samples, Technical paper, Analytical Services Division, Environmental ScienceEngineering, Inc, PO Box 1703, Gainesville, FL 32602, 2002, 11. [all data]
Notes
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- 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 ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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