Benzene, 1,1',1'',1'''-(1,2-ethenediylidene)tetrakis-
- Formula: C26H20
- Molecular weight: 332.4370
- IUPAC Standard InChI: InChI=1S/C26H20/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22)26(23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H
- IUPAC Standard InChIKey: JLZUZNKTTIRERF-UHFFFAOYSA-N
- CAS Registry Number: 632-51-9
- 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, tetraphenyl-; Tetraphenylethene; Tetraphenylethylene; 1,1,2,2-Tetraphenylethylene; α,β-Diphenylstilbene; 1,1,2,2-Tetraphenylethene
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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 | -13401.1 ± 1.3 | kJ/mol | Ccb | Coops and Hoijtink, 1950 | Reanalyzed by Cox and Pilcher, 1970, Original value = -13395.6 ± 0.60 kJ/mol; Corresponding ΔfHºsolid = 311.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 387.6 | 298.5 | Smith and Andrews, 1931 | T = 102 to 346 K. Value is unsmoothed experimental datum.; DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, References, Notes
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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 693.2 | K | N/A | Weast and Grasselli, 1989 | BS |
| Quantity | Value | Units | Method | Reference | Comment |
| Tfus | 497. ± 4. | K | AVG | N/A | Average of 9 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔsubH° | 133.4 ± 0.7 | kJ/mol | GS | Verevkin and Ebenhoch, 1999 | AC |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 129.3 ± 0.7 | 366. | GS | Verevkin and Ebenhoch, 1999 | Based on data from 343. to 389. K.; AC |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 37.45 | 496.1 | DSC | Verevkin and Ebenhoch, 1999 | AC |
References
Go To: Top, Condensed phase thermochemistry data, Phase change 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]
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]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Verevkin and Ebenhoch, 1999
Verevkin, Sergey P.; Ebenhoch, Jochen,
Structural Chemistry, 1999, 10, 6, 401-409, https://doi.org/10.1023/A:1022470804409
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfusH Enthalpy of fusion 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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