2(3H)-Furanone

Formula: C₄H₄O₂
Molecular weight: 84.0734
IUPAC Standard InChI: InChI=1S/C4H4O2/c5-4-2-1-3-6-4/h1,3H,2H2
IUPAC Standard InChIKey: RHDGNLCLDBVESU-UHFFFAOYSA-N
CAS Registry Number: 20825-71-2
Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Other names: α-Crotonolactone; α-Furanone; δ,β,γ-Butenolide; 3-Butenoic acid, 4-hydroxy-, γ-lactone; 2-Oxo-2,3-dihydrofuran; β,γ-Crotonolactone; 2-Furanone
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Information on this page:
Other data available:
- Mass spectrum (electron ionization)
- Gas Chromatography
Data at other public NIST sites:
- Gas Phase Kinetics Database
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Gas phase ion energetics data

Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV)	Method	Reference	Comment
10.70	PE	Bain and Frost, 1973	Vertical value

References

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Bain and Frost, 1973
Bain, A.D.; Frost, D.C., Studies of the carbonyl group in some five-membered ring compounds by photoelectron spectroscopy, Can. J. Chem., 1973, 51, 1245. [all data]

Notes

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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