4,7-Diphenyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione
- Formula: C20H16O3
- Molecular weight: 304.3392
- IUPAC Standard InChI: InChI=1S/C20H16O3/c21-19-17-15(13-7-3-1-4-8-13)11-12-16(18(17)20(22)23-19)14-9-5-2-6-10-14/h1-12,15-18H
- IUPAC Standard InChIKey: QBTDNXVTAHQRRU-UHFFFAOYSA-N
- CAS Registry Number: 20929-46-8
- 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: 4,7-Diphenyl-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione; 3,6-Diphenyl-4-cyclohexene-1,2-dicarboxylic anhydride; 4-Cyclohexene-1,2-dicarboxylic anhydride, 3,6-diphenyl-
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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 |
|---|---|---|---|---|---|
| ΔcH°solid | -2332.6 ± 1.0 | kcal/mol | Ccb | Miroshnichenko, Zadontsev, et al., 1969 | Corresponding ΔfHºsolid = -94.9 kcal/mol (simple calculation by NIST; no Washburn corrections) |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Miroshnichenko, Zadontsev, et al., 1969
Miroshnichenko, E.A.; Zadontsev, B.G.; Lebedev, Yu.A.; Cherkashin, M.I.; Berlin, A.A.,
Thermochemical investigations of copolymers and block copolymers containing polyvinylene blocks in their structure,
Izv. Akad. Nauk Kaz. SSSR, Ser. Khim., 1969, 1396-1399. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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