Benzene, 1,1',1''-(1-ethenyl-2-ylidene)tris-
- Formula: C20H16
- Molecular weight: 256.3410
- 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 |
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 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 |
---|---|---|---|---|---|
Tfus | 337. | K | N/A | Zimmerman and Smentowski, 1957 | Uncertainty assigned by TRC = 4. K; TRC |
Tfus | 342. | K | N/A | Collins and Bonner, 1955 | Uncertainty assigned by TRC = 4. K; TRC |
Tfus | 339. | K | N/A | Hauser, Manyik, et al., 1955 | Uncertainty assigned by TRC = 4. K; TRC |
Tfus | 342.4 | K | N/A | Smith and Andrews, 1931, 2 | Uncertainty assigned by TRC = 2. K; m.p. with Hg thermometer; TRC |
Tfus | 339.0 | K | N/A | Smith and Andrews, 1931, 2 | Uncertainty assigned by TRC = 0.7 K; f.p. with thermocouple; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 21.9 ± 0.2 | kcal/mol | GS | Verevkin and Ebenhoch, 1999 | Based on data from 346. to 377. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 26.82 ± 0.45 | kcal/mol | GS | Verevkin and Ebenhoch, 1999 | Based on data from 323. to 339. K.; AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
493.7 | 0.018 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.0 ± 0.2 | 362. | GS | Verevkin and Ebenhoch, 1999 | Based on data from 346. to 377. K.; AC |
21.4 | 398. | N/A | Sasse, N'guimbi, et al., 1989 | Based on data from 353. to 443. K.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
26.31 ± 0.45 | 331. | GS | Verevkin and Ebenhoch, 1999 | Based on data from 323. to 339. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
4.919 | 339.9 | DSC | Verevkin and Ebenhoch, 1999 | AC |
4.864 | 341. | N/A | Hikima, Okamoto, et al., 1998 | AC |
IR Spectrum
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center |
State | gas |
Instrument | HP-GC/MS/IRD |
Mass spectrum (electron ionization)
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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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-6742 |
NIST MS number | 235652 |
UV/Visible spectrum
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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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | missing citation |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 8766 |
Instrument | Unicam SP 700 numerical data of recording |
Melting point | 67 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, NIST Subscription Links, 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]
Zimmerman and Smentowski, 1957
Zimmerman, H.E.; Smentowski, F.J.,
Carbanion Rearrangements I.,
J. Am. Chem. Soc., 1957, 79, 5455. [all data]
Collins and Bonner, 1955
Collins, C.J.; Bonner, W.A.,
J. Am. Chem. Soc., 1955, 77, 92. [all data]
Hauser, Manyik, et al., 1955
Hauser, C.R.; Manyik, R.; Brasen, W.R.; Bayless,
J. Org. Chem., 1955, 20, 1119. [all data]
Smith and Andrews, 1931, 2
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. [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]
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]
Sasse, N'guimbi, et al., 1989
Sasse, K.; N'guimbi, J.; Jose, J.; Merlin, J.C.,
Tension de vapeur d'hydrocarbures polyaromatiques dans le domaine 10-3--10 Torr,
Thermochimica Acta, 1989, 146, 53-61, https://doi.org/10.1016/0040-6031(89)87075-3
. [all data]
Hikima, Okamoto, et al., 1998
Hikima, Takaaki; Okamoto, Norimaru; Hanaya, Minoru; Oguni, Masaharu,
Calorimetric study of triphenylethene: observation of homogeneous-nucleation-based crystallization,
The Journal of Chemical Thermodynamics, 1998, 30, 4, 509-523, https://doi.org/10.1006/jcht.1997.0323
. [all data]
Notes
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- 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 ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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