Diphenic anhydride
- Formula: C14H8O3
- Molecular weight: 224.2115
- IUPAC Standard InChI: InChI=1S/C14H8O3/c15-13-11-7-3-1-5-9(11)10-6-2-4-8-12(10)14(16)17-13/h1-8H
- IUPAC Standard InChIKey: RTSGJTANVBJFFJ-UHFFFAOYSA-N
- CAS Registry Number: 6050-13-1
- 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: Dibenz[c,e]oxepin-5,7-dione; 2,2'-Biphenyldicarboxylic anhydride; 2,2'-Diphenyldicarboxylic anhydride; 2,2'-Diphenic anhydride; Diphenic acid anhydride; NSC 67689; 9-Oxatricyclo[9.4.0.0(2,7)]pentadeca-1(11),2(7),3,5,12,14-hexaene-8,10-dione; biphenyl-2,2'-dicarboxylic anhydride
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Phase change 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: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 120.7 ± 4.0 | kJ/mol | C | Matos, Miranda, et al., 2005 |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 91.4 | 448. | A | Stephenson and Malanowski, 1987 | Based on data from 433. to 490. K. |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Matos, Miranda, et al., 2005
Matos, M. Agostinha R.; Miranda, Margarida S.; Pinto, Natália A.B.; Morais, Victor M.F.; Dhananjaya, N.; Liebman *, Joel F.,
Thermochemistry of diphenic anhydride. A combined experimental and theoretical study,
Molecular Physics, 2005, 103, 14, 1885-1894, https://doi.org/10.1080/00268970500096301
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Notes
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- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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