3-Cyclobutene-1,2-dione
- Formula: C4H2O2
- Molecular weight: 82.0575
- IUPAC Standard InChI: InChI=1S/C4H2O2/c5-3-1-2-4(3)6/h1-2H
- IUPAC Standard InChIKey: RGBVWCQARBEPPW-UHFFFAOYSA-N
- CAS Registry Number: 32936-74-6
- 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: Diketocyclobutene
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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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C4H2O2+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.79 | PE | Schang, Gleiter, et al., 1978 | Vertical value; LLK |
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.
Schang, Gleiter, et al., 1978
Schang, P.; Gleiter, R.; Rieker, A.,
The He(I) photoelectron spectrum of cyclobutene-1,2-dione and o-benzoquinone,
Ber. Bunsen-Ges. Phys. Chem., 1978, 82, 629. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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