Xanthone
- Formula: C13H8O2
- Molecular weight: 196.2014
- IUPAC Standard InChI: InChI=1S/C13H8O2/c14-13-9-5-1-3-7-11(9)15-12-8-4-2-6-10(12)13/h1-8H
- IUPAC Standard InChIKey: JNELGWHKGNBSMD-UHFFFAOYSA-N
- CAS Registry Number: 90-47-1
- 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: 9H-Xanthen-9-one; Xanthen-9-one; Benzophenone oxide; Dibenzo-γ-pyrone; Diphenylene ketone oxide; E 6; Genicide; Xanthene, 9-oxo-; 9-Oxoxanthene; 9H-Xanthene, 9-oxo-; 9-Xanthenone; Xanthenone; 9-Xanthone; NSC 14978; dibenzopyranone
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Gas 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -23.5 ± 0.86 | kcal/mol | Ccb | Sabbah and El Watik, 1988 | Hfusion=26.12±0.24 kJ/mol; ALS |
| ΔfH°gas | -22.2 | kcal/mol | N/A | Kim, Winans, et al., 1978 | Value computed using ΔfHsolid° value of -191.5±2.7 kj/mol from Kim, Winans, et al., 1978 and ΔsubH° value of 98.6 kj/mol from Kim, Winans, et al., 1978.; DRB |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sabbah and El Watik, 1988
Sabbah, R.; El Watik, L.,
Thermodynamic study of two simple molecules encountered as products of the pyrolysis of coal: chromone and xanthone,
Bull. Soc. Chim. France, 1988, 626-630. [all data]
Kim, Winans, et al., 1978
Kim, K.Y.; Winans, R.E.; Hubbard, W.N.; Johnson, C.E.,
Thermochemistry of coal components. 1. Xanthone,
J. Phys. Chem., 1978, 82, 402-405. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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