Stilbene
- Formula: C14H12
- Molecular weight: 180.2451
- IUPAC Standard InChIKey: PJANXHGTPQOBST-UHFFFAOYSA-N
- CAS Registry Number: 588-59-0
- 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. - Stereoisomers:
- Other names: 1,2-Diphenylethylene; Benzene, 1,1'-(1,2-ethenediyl)bis-; Bibenzal; Bibenzylidene; Bibenzylidine; α,β-Diphenylethylene; Stilben; 1,2-Diphenylethene; 1,1'-(1,2-Ethenediyl)bis[benzene]; (2-Phenylethenyl)benzene
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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: Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°solid,1 bar | 251.0 | J/mol*K | N/A | Parks and Huffman, 1930 | Extrapolation below 90 K, 82.89 J/mol*K. |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
343.1 | 410. | Kurbatov, 1950 | T = 135 to 305°C. Mp 124.2°C. |
239.1 | 313. | Ferry and Thomas, 1933 | T = 303 to 403 K. |
232.6 | 298.5 | Smith and Andrews, 1931 | T = 102 to 346 K. Value is unsmoothed experimental datum. |
227.2 | 292.8 | Parks and Huffman, 1930 | T = 92 to 293 K. Value is unsmoothed experimental datum. |
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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 397. ± 4. | K | AVG | N/A | Average of 11 values; Individual data points |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
27.829 | 397.55 | Ferry and Thomas, 1933 | DH |
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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C14H12+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.94 | PE | Hudson, Ridyard, et al., 1976 | LLK |
7.60 | CTS | Slifkin and Allison, 1967 | RDSH |
7.5 | PI | Terenin, 1961 | RDSH |
7.9 | CTS | Briegleb, Czekalla, et al., 1961 | RDSH |
7.95 | CTS | Briegleb and Czekalla, 1959 | RDSH |
10.30 | PE | Muller, Schweig, et al., 1978 | Vertical value; LLK |
7.93 ± 0.03 | PE | Klessinger and Gunkel, 1978 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C13H9+ | 11.3 ± 0.1 | CH3 | EI | Rapp, Staab, et al., 1970 | RDSH |
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.
Parks and Huffman, 1930
Parks, G.S.; Huffman, H.M.,
Thermal data on organic compounds. IX. A study of the effect of unsaturation on the heat capacities, entropies and free energies of some hydrocarbons and other compounds,
J. Am. Chem. Soc., 1930, 52, 4381-4391. [all data]
Kurbatov, 1950
Kurbatov, V.Ya.,
Specific heats of liquids. III. Specific heat of hydrocarbons with several noncondensed rings,
Zhur. Obshch. Khim., 1950, 20, 1139-1144. [all data]
Ferry and Thomas, 1933
Ferry, J.D.; Thomas, S.B.,
Some heat capacity data for durene, pentamethylbenzene, stilbene, and dibenzyl,
J. Phys. Chem., 1933, 37, 253-255. [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]
Hudson, Ridyard, et al., 1976
Hudson, B.S.; Ridyard, J.N.A.; Diamond, J.,
Polyene spectroscopy. Photoelectron spectra of the diphenylpolyenes,
J. Am. Chem. Soc., 1976, 98, 1126. [all data]
Slifkin and Allison, 1967
Slifkin, M.A.; Allison, A.C.,
Measurement of ionization potentials from contact charge transfer spectra,
Nature, 1967, 215, 949. [all data]
Terenin, 1961
Terenin, A.,
Charge transfer in organic solids, induced by light,
Proc. Chem. Soc., London, 1961, 321. [all data]
Briegleb, Czekalla, et al., 1961
Briegleb, G.; Czekalla, J.; Reuss, G.,
Mesomeriemomente und Elektronenuberfuhrungsbanden von Elektronen-donator-akzeptor-komplexen des Chloranils und Tetracyanathylens mit aromatischen Kohlenwasserstoffen,
Z. Phys. Chem. (Neue Folge), 1961, 30, 333. [all data]
Briegleb and Czekalla, 1959
Briegleb, G.; Czekalla, J.,
Die Bestimmung von lonisierungsenergien aus den Spektren von Elektronenubergangskomplexen,
Z.Elektrochem., 1959, 63, 6. [all data]
Muller, Schweig, et al., 1978
Muller, C.; Schweig, A.; Vermeer, H.,
Photoelectron spectra of 1,2-diphenylcyclopropene, 2,3-diphenylcyclopropenone, 2,3-diphenylcyclopropenethione, 2,3-diphenylthiirene and 1-oxide; cis-stilbene, An experimental verification of conjugative inductive interactions,
J. Am. Chem. Soc., 1978, 100, 8056. [all data]
Klessinger and Gunkel, 1978
Klessinger, M.; Gunkel, E.,
The electronic structure of polyenes and unsaturated carbonyl compounds,
Tetrahedron, 1978, 34, 3591. [all data]
Rapp, Staab, et al., 1970
Rapp, U.; Staab, H.A.; Wunsche, C.,
Skelettumlagerungen unter Elektronenbeschuss-IV: zur Struktur der C13H9- und C12H9N-Ionen bei Benzylidenaminobenztriazolen,
Org. Mass Spectrom., 1970, 3, 45. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) Tfus Fusion (melting) point ΔfusH Enthalpy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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