cis-Stilbene
- Formula: C14H12
- Molecular weight: 180.2451
- IUPAC Standard InChIKey: PJANXHGTPQOBST-QXMHVHEDSA-N
- CAS Registry Number: 645-49-8
- 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. - Stereoisomers:
- Other names: (Z)-Stilbene; Benzene, 1,1'-(1,2-ethenediyl)bis-, (Z)-; Stilbene, (Z)-; cis-1,2-Diphenylethylene; Isostilbene; (Z)-1,2-Diphenylethene; Benzene, 1,1'-(1,2-ethenedyl)bis-, (Z)-; Dibenzal (cis); 1,2-Diphenylethene, (Z)-; (1,2-Ethenediyl)-1,1'-bisbenzene, (Z)-; 1,cis-2-Diphenylethene; 1,cis-2-Diphenylethylene; cis-Diphenylethene; (Z)-1,2-Diphenylethylene; cis-1,2-Diphenylethene; 1,1'-(1,2-Ethanediyl)bis[benzene], cis; Benzene, 1,1'-(1Z)-1,2-ethenediylbis-
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°liquid | -7404.05 ± 0.75 | kJ/mol | Ccb | Yates and McDonald, 1971 | Corresponding ΔfHºliquid = 179.9 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -7407.6 ± 1.5 | kJ/mol | Ccb | Coops and Hoijtink, 1950 | Reanalyzed by Cox and Pilcher, 1970, Original value = -7404.1 ± 0.74 kJ/mol; Corresponding ΔfHºliquid = 183.48 kJ/mol (simple calculation by NIST; no Washburn corrections) |
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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 70.5 ± 0.4 | kJ/mol | GS | Cammenga, Emel'yanenko, et al., 2009 | Based on data from 308. to 343. K.; AC |
ΔvapH° | 50.3 ± 1.0 | kJ/mol | N/A | Brackman and Plesch, 1952 | Based on data from 276. to 286. K. See also Cammenga, Emel'yanenko, et al., 2009.; AC |
ΔvapH° | 66. ± 1. | kJ/mol | V | Brackman and Plesch, 1952, 2 | ALS |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
356.2 | 0.0005 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
66.5 | 388. | A | Stephenson and Malanowski, 1987 | Based on data from 373. to 428. K.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
90.8 ± 0.8 | 329. | V | Wolf and Weghofer, 1938 | ALS |
Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: H2 + C14H12 = C14H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -131.5 ± 0.84 | kJ/mol | Chyd | Williams, 1942 | liquid phase; solvent: Acetic acid; Reanalyzed by Cox and Pilcher, 1970, Original value = -108.0 ± 8.5 kJ/mol; At 302 K |
By formula: C14H12 = C14H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 35. ± 23. | kJ/mol | Cpha | Herman and Goodman, 1989 | solid phase; solvent: Acetonitrile/water |
ΔrH° | 19.2 ± 0.4 | kJ/mol | Ciso | Saltiel, Ganapathy, et al., 1987 | gas phase; At 303.2-461.2 K |
By formula: C14H12 = C14H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -5.0 ± 0.4 | kJ/mol | Cm | Bastianelli, Caia, et al., 1991 | liquid phase; Thermal Isomerization |
ΔrH° | -12. ± 1. | kJ/mol | Ciso | Fischer, Muszkat, et al., 1968 | solid phase; solvent: Cyclohexane |
Gas Chromatography
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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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | Apiezon L | 185. | 1570. | Kríz, Popl, et al., 1974 |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SP-1000 | 185. | 2205. | Kríz, Popl, et al., 1974 | N2; Column length: 50. m; Column diameter: 0.25 mm |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Yates and McDonald, 1971
Yates, K.; McDonald, R.S.,
A thermochemical probe into the mechanism of electrophilic addition to olefins,
J. Am. Chem. Soc., 1971, 93, 6297-6299. [all data]
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]
Cammenga, Emel'yanenko, et al., 2009
Cammenga, Heiko K.; Emel'yanenko, Vladimir N.; Verevkin, Sergey P.,
Re-investigation and Data Assessment of the Isomerization and 2,2´-Cyclization of Stilbenes and Azobenzenes «8224»,
Ind. Eng. Chem. Res., 2009, 48, 22, 10120-10128, https://doi.org/10.1021/ie900800q
. [all data]
Brackman and Plesch, 1952
Brackman, D.S.; Plesch, P.H.,
406. Some physical properties of cis-stilbene,
J. Chem. Soc., 1952, 2188, https://doi.org/10.1039/jr9520002188
. [all data]
Brackman and Plesch, 1952, 2
Brackman, D.S.; Plesch, P.H.,
Some physical properties of cis-stilbene,
J. Chem. Soc., 1952, 2188-21. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]
Wolf and Weghofer, 1938
Wolf, K.L.; Weghofer, H.,
Uber sublimationswarmen,
Z. Phys. Chem., 1938, 39, 194-208. [all data]
Williams, 1942
Williams, R.B.,
Heats of catalytic hydrogenation in solution. I. Apparatus, technique, and the heats of hydrogenation of certain pairs of stereoisomers,
J. Am. Chem. Soc., 1942, 64, 1395-1404. [all data]
Herman and Goodman, 1989
Herman, M.S.; Goodman, J.L.,
Determination of the enthalpy and reaction volume changes of organic photoreactions using photoacoustic calorimetry,
J. Am. Chem. Soc., 1989, 111, 1849-1854. [all data]
Saltiel, Ganapathy, et al., 1987
Saltiel, J.; Ganapathy, S.; Werking, C.,
The ΔH for thermal trans-stilbene/cis-stilbene isomerization. Do S0 and T1 potential energy curves cross?,
J. Phys. Chem., 1987, 91, 2755-2758. [all data]
Bastianelli, Caia, et al., 1991
Bastianelli, C.; Caia, V.; Cum, G.; Gallo, R.; Mancini, V.,
Thermal isomerization of photochemically synthesized (Z)-9-styrylacridines. An unusually high enthalpy of Z->E conversion for stilbene-like compounds,
J. Chem. Soc. Perkin Trans. 2, 1991, 679-683. [all data]
Fischer, Muszkat, et al., 1968
Fischer, G.; Muszkat, K.A.; Fischer, E.,
Thermodynamic equilibrium between cis- and trans-isomers in stilbene and some derivatives,
J. Chem. Soc. B, 1968, 1156-1158. [all data]
Kríz, Popl, et al., 1974
Kríz, J.; Popl, M.; Mostecký, J.,
Retention indices of biphenyls and diphenylalkanes,
J. Chromatogr., 1974, 97, 1, 3-13, https://doi.org/10.1016/S0021-9673(01)97577-6
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation 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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