2,5-Cyclohexadien-1-one, 4-diazo-
- Formula: C6H4N2O
- Molecular weight: 120.1088
- IUPAC Standard InChI: InChI=1S/C6H4N2O/c7-8-5-1-3-6(9)4-2-5/h1-4H
- IUPAC Standard InChIKey: WTQZSMDDRMKJRI-UHFFFAOYSA-N
- CAS Registry Number: 932-97-8
- 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: p-Benzoquinone diazide; 1,4-Benzoquinone diazide; 4-Diazo-2,5-cyclohexadien-1-one; p-Diazoquinone; Quinone diazide; p-Quinone diazide
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Gas phase ion energetics data
Go To: Top, 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: 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 |
|---|---|---|
| 8.28 ± 0.05 | EI | Thorstad, Undheim, et al., 1974 |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C6H4O+ | 9.6 ± 0.01 | N2 | EI | Thorstad, Undheim, et al., 1974 |
References
Go To: Top, 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.
Thorstad, Undheim, et al., 1974
Thorstad, O.; Undheim, K.; Hvistendahl, G.,
Mass spectrometry of onium compounds. XXIII. Ionisation potentials in the structural assignment of [M-N2]ions from diazo-oxides,
Org. Mass Spectrom., 1974, 9, 548. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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