6,13-Pentacenedione
- Formula: C22H12O2
- Molecular weight: 308.3295
- IUPAC Standard InChI: InChI=1S/C22H12O2/c23-21-17-9-13-5-1-2-6-14(13)10-18(17)22(24)20-12-16-8-4-3-7-15(16)11-19(20)21/h1-12H
- IUPAC Standard InChIKey: UFCVADNIXDUEFZ-UHFFFAOYSA-N
- CAS Registry Number: 3029-32-1
- 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: 6,13-Pentacenequinone
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Condensed phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔcH°solid | -2461.6 ± 1.5 | kcal/mol | Ccb | Magnus, 1956 | Reanalyzed by Cox and Pilcher, 1970, Original value = -2461.439 kcal/mol; Corresponding ΔfHºsolid = -17.42 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.
Magnus, 1956
Magnus, A.,
Die resonanzenergien der parachinone Aui grund der prazisionsmessungsen ihrer verbrennungswarmen durch herrn gerhard wittwer,
Z. Phys. Chem. (Neue Folge), 1956, 9, 141-161. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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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