Phenazine, 5-oxide
- Formula: C12H8N2O
- Molecular weight: 196.2047
- IUPAC Standard InChI: InChI=1S/C12H8N2O/c15-14-11-7-3-1-5-9(11)13-10-6-2-4-8-12(10)14/h1-8H
- IUPAC Standard InChIKey: FFISWZPYNKWIRR-UHFFFAOYSA-N
- CAS Registry Number: 304-81-4
- 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: N-Oxyphenazine; Phenazine mono-N-oxide; Phenazine monooxide; Phenazine N-oxide; Phenazine 9-oxide; Phenazine, N-monoxide; N-Oxide de phenazine; Phenazin; Phenazin-5-oxide; Phenazine-5N-oxide; Phenazin oxide; PZ 13; NSC 202998; NSC 21665
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, 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°gas | 71.1 ± 1.1 | kcal/mol | Ccb | Leitao, Pilcher, et al., 1990 |
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 | 47.2 ± 1.1 | kcal/mol | Ccb | Leitao, Pilcher, et al., 1990 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1449.0 ± 1.1 | kcal/mol | Ccb | Leitao, Pilcher, et al., 1990 |
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
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 23.90 ± 0.31 | kcal/mol | C | Leitao, Pilcher, et al., 1990 | ALS |
| ΔsubH° | 23.9 ± 0.31 | kcal/mol | C | Leitao, Pilcher, et al., 1990 | AC |
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 |
|---|---|---|---|
| 8.10 | PE | Albini and Mark, 1976 | Vertical value |
| 8.00 ± 0.02 | PE | Maier, Muller, et al., 1975 | Vertical value |
References
Go To: Top, Gas phase thermochemistry data, 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.
Leitao, Pilcher, et al., 1990
Leitao, M.L.; Pilcher, G.; Acree, W.E., Jr.; Zvaigzne, A.I.; Tucker, S.A.; Ribeiro Da Silva, M.D.M.C.,
Enthalpies of combustion of phenazine N-oxide, phenazine, benzofuroxan, and benzofurazan: the dissociation entrhalpies of the (N-O) bonds,
J. Chem. Thermodyn., 1990, 22, 923-928. [all data]
Albini and Mark, 1976
Albini, A.; Mark, F.,
Photoelectron spectra of phenazine N-oxide and some of its derivatives,
J. Chem. Soc. Faraday Trans. 2, 1976, 72, 463. [all data]
Maier, Muller, et al., 1975
Maier, J.P.; Muller, J.-F.; Kubota, T.; Yamakawa, M.,
183. Ionisation energies and the electronic structures of the N-oxides of azanaphthalenes and azaanthracenes,
Helv. Chim. Acta, 1975, 58, 1641. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
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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