Azoxybenzene
- Formula: C12H10N2O
- Molecular weight: 198.2206
- IUPAC Standard InChI: InChI=1S/C12H10N2O/c15-14(12-9-5-2-6-10-12)13-11-7-3-1-4-8-11/h1-10H
- IUPAC Standard InChIKey: GAUZCKBSTZFWCT-UHFFFAOYSA-N
- CAS Registry Number: 495-48-7
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Diazene, diphenyl-, 1-oxide; Azobenzene, oxide; Azoxybenzide; Diphenyldiazene N-oxide; Azossibenzene; Azoxybenzeen; Azoxybenzol; Benzene, azoxydi-; Fenazox; Fentoxan; Diazene, 1,2-diphenyl-, 1-oxide; NSC 1796
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Gas 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°gas | 81.74 ± 0.57 | kcal/mol | Ccb | Kirchner, Acree, et al., 1986 |
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 | 58.17 ± 0.53 | kcal/mol | Ccb | Kirchner, Acree, et al., 1986 | |
| ΔfH°solid | 71.5 | kcal/mol | Ccb | Lemoul, 1908 | |
| ΔfH°solid | 71.5 | kcal/mol | Ccb | Lemoult, 1906 | Author value for hf298-condensed=65.1 kcal/mol |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1528.4 ± 0.36 | kcal/mol | Ccb | Kirchner, Acree, et al., 1986 | |
| ΔcH°solid | -1541.7 | kcal/mol | Ccb | Lemoul, 1908 | |
| ΔcH°solid | -1541.7 | kcal/mol | Ccb | Lemoult, 1906 | Author value for hf298-condensed=65.1 kcal/mol |
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 307.75 | K | N/A | Bruner, 1894 | Uncertainty assigned by TRC = 0.5 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 23.6 ± 0.2 | kcal/mol | C | Kirchner, Acree, et al., 1986 | ALS |
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 | Methyl Silicone | 1846. | Zenkevich, 1994 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kirchner, Acree, et al., 1986
Kirchner, J.J.; Acree, W.E., Jr.; Pilcher, G.; Shaofeng, L.,
Enthalpies of combustion of four N-phenylmethylene benzenamine N-oxide derivatives, of N-phenylmethylene benzenamine, and of trans-diphenyldiazene N-oxide: the dissociation enthalpy of the (N-O)bonds,
J. Chem. Thermodyn., 1986, 18, 793-799. [all data]
Lemoul, 1908
Lemoul, M.P.,
Recherches theoriques et experimentals sur les chaleurs de combustion et de formation des couposes organiques,
Anal. Chem., 1908, 184-190. [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]
Bruner, 1894
Bruner, L.,
The heats of fusion of some organic compounds,
Ber. Dtsch. Chem. Ges., 1894, 27, 2102. [all data]
Zenkevich, 1994
Zenkevich, I.G.,
Contemporary State of Informational Maintenance for Gas Chromatographic Identification of Chlorinated Polycyclic Aromatic Compounds,
Zh. Ecol. Khim., 1994, 3, 2, 111-119. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas Chromatography, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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