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-
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas phase ion energetics 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°liquid | -1769.61 ± 0.18 | kcal/mol | Ccb | Yates and McDonald, 1971 | Corresponding ΔfHºliquid = 43.00 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -1770.46 ± 0.36 | kcal/mol | Ccb | Coops and Hoijtink, 1950 | Reanalyzed by Cox and Pilcher, 1970, Original value = -1769.6 ± 0.18 kcal/mol; Corresponding ΔfHºliquid = 43.853 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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
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° | 16.8 ± 0.1 | kcal/mol | GS | Cammenga, Emel'yanenko, et al., 2009 | Based on data from 308. to 343. K.; AC |
ΔvapH° | 12.0 ± 0.24 | kcal/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° | 15.8 ± 0.3 | kcal/mol | V | Brackman and Plesch, 1952, 2 | ALS |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
356.2 | 0.0005 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
15.9 | 388. | A | Stephenson and Malanowski, 1987 | Based on data from 373. to 428. K.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
21.7 ± 0.2 | 329. | V | Wolf and Weghofer, 1938 | ALS |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, Phase change 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 by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C14H12+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.80 ± 0.02 | PE | Maier and Turner, 1973 | |
8.17 | PE | Kobayashi, Yokota, et al., 1975 | Vertical value |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, 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]
Maier and Turner, 1973
Maier, J.P.; Turner, D.W.,
Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part 2. Phenylethylenes,
J. Chem. Soc. Faraday Trans. 2, 1973, 69, 196. [all data]
Kobayashi, Yokota, et al., 1975
Kobayashi, T.; Yokota, K.; Nagakura, S.,
Photoelectron spectra of the cis- trans-isomers of some ethylene derivatives,
Bull. Chem. Soc. Jpn., 1975, 48, 412. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Tboil Boiling point ΔcH°liquid Enthalpy of combustion of liquid 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
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.