Benzene, 1,1',1''-(1-ethenyl-2-ylidene)tris-
- Formula: C20H16
- Molecular weight: 256.3410
- IUPAC Standard InChI: InChI=1S/C20H16/c1-4-10-17(11-5-1)16-20(18-12-6-2-7-13-18)19-14-8-3-9-15-19/h1-16H
- IUPAC Standard InChIKey: MKYQPGPNVYRMHI-UHFFFAOYSA-N
- CAS Registry Number: 58-72-0
- 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: Ethylene, triphenyl-; Benzilidenediphenylmethane; Triphenylethene; Triphenylethylene; 1,1,2-Triphenylethylene; 1,2,2-Triphenylethylene
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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔcH°solid | -2483.32 ± 0.41 | kcal/mol | Ccb | Coops and Hoijtink, 1950 | Reanalyzed by Cox and Pilcher, 1970, Original value = -2482.31 ± 0.19 kcal/mol; Corresponding ΔfHºsolid = 55.78 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| ΔcH°solid | -2510.3 | kcal/mol | Ccb | Lemoult, 1911 | Corresponding ΔfHºsolid = 82.8 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 73.90 | 298.5 | Smith and Andrews, 1931 | T = 102 to 322 K. Value is unsmoothed experimental datum.; DH |
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.
Coops and Hoijtink, 1950
Coops, J.; Hoijtink, G.J.,
Thermochemical investigations on arylethenes. I. Heats of combustion of phenylethenes,
Recl. Trav. Chim. Pays-Bas, 1950, 69, 358-367. [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]
Lemoult, 1911
Lemoult, M.P.,
Thermochimie. - Recherches sur les derives du styrolene; rectification de quelques erreurs experimentales,
Compt. Rend., 1911, 152, 1402-1404. [all data]
Smith and Andrews, 1931
Smith, R.H.; Andrews, D.H.,
Thermal energy studies. I. Phenyl derivatives of methane,
ethane and some related compounds. J. Am. Chem. Soc., 1931, 53, 3644-3660. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°solid Enthalpy of combustion of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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