1,2,3-Benzoxadiazole
- Formula: C6H4N2O
- Molecular weight: 120.1088
- CAS Registry Number: 273-59-6
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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 | 300.7 ± 2.1 | kJ/mol | Ccb | Arshadi, 1980 |
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 | 235.8 ± 0.9 | kJ/mol | Ccb | Arshadi, 1980 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -3168.5 ± 0.4 | kJ/mol | Ccb | Arshadi, 1980 |
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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 64.9 ± 1.7 | kJ/mol | V | Arshadi, 1980 |
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
View reactions leading to C6H4N2O+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.45 | PE | Schulz and Schweig, 1979 | 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.
Arshadi, 1980
Arshadi, M.R.,
Enthalpies of combustion and formation of phenazine and 2,1,3-benzoxadiazole,
J. Chem. Thermodyn., 1980, 12, 903-906. [all data]
Schulz and Schweig, 1979
Schulz, R.; Schweig, A.,
Existence of 1,2,3-benzoxadiazole in the gas phase,
Angew. Chem. Int. Ed. Engl., 1979, 18, 692. [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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