Diazene, bis(4-methoxyphenyl)-
- Formula: C14H14N2O2
- Molecular weight: 242.2732
- IUPAC Standard InChI: InChI=1S/C14H14N2O2/c1-17-13-7-3-11(4-8-13)15-16-12-5-9-14(18-2)10-6-12/h3-10H,1-2H3
- IUPAC Standard InChIKey: ICHNIWWYEHETFJ-UHFFFAOYSA-N
- CAS Registry Number: 501-58-6
- 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: Azobenzene, 4,4'-dimethoxy-; 4,4'-Azodianisole; 4,4'-Dimethoxyazobenzene; Azo-bis-(4-methoxybenzene)
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Condensed phase thermochemistry data
Go To: Top, 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 | 10.6 | kcal/mol | Ccb | Lemoult, 1908 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1805.5 | kcal/mol | Ccb | Lemoult, 1908 |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry 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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 7.72 | EI | Nuyken and Messmer, 1977 | LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C7H7N2O+ | 10.2 | C7H7O | EI | Nuyken and Messmer, 1977 | LLK |
| C7H7O+ | 11.9 | C7H7N2O | EI | Nuyken and Messmer, 1977 | LLK |
References
Go To: Top, Condensed phase thermochemistry 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.
Lemoult, 1908
Lemoult, M.P.,
Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques,
Ann. Chim. Phys., 1908, 14, 289-310. [all data]
Nuyken and Messmer, 1977
Nuyken, O.; Messmer, K.,
Massenspektrometrische untersuchungen an azoverbindungen. II- Ermittlung thermodynamischer grossen,
Org. Mass Spectrom., 1977, 12, 106. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy 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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