(E)-Stilbene
- Formula: C14H12
- Molecular weight: 180.2451
- IUPAC Standard InChIKey: PJANXHGTPQOBST-VAWYXSNFSA-N
- CAS Registry Number: 103-30-0
- 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: Benzene, 1,1'-(1,2-ethenediyl)bis-, (E)-; Stilbene, (E)-; (E)-1,2-Diphenylethylene; trans-α,β-Diphenylethylene; trans-Stilbene; trans-1,2-Diphenylethene; trans-1,2-Diphenylethylene; (E)-1,2-Diphenylethene; Dibenzal, (E)-; Dibenzylidne, (E)-; 1,2-Diphenylethylene (trans); (1,2-Ethenediyl)-1,1'-bisbenzene, (E)-; Stilbene (trans); 1,trans-2-Diphenylethene; 1,trans-2-Diphenylethylene; trans-Diphenylethene; 1,2-Diphenylethene, (E)-; 1,1'-(1,2-Ethanediyl)bis[benzene], trans; Toluylene; t-Stilbene; trans-Bibenzal; trans-Bibenzylidene; Benzene, 1,1'-(1E)-1,2-ethenediylbis-; NSC 2069; 1,1'-(1,2-Ethanediyl)bis(benzene), (E)-
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Condensed phase thermochemistry data
Go To: Top, Reaction 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:
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°liquid | -7360.99 ± 0.50 | kJ/mol | Ccb | Yates and McDonald, 1971 | Corresponding ΔfHºliquid = 136.9 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | 133. ± 0.8 | kJ/mol | Ccb | Lobanov and Karmanova, 1971 | ALS |
ΔfH°solid | 136.7 | kJ/mol | Ccb | Marantz and Armstrong, 1968 | see Marantz and Armstrong, 1968, 2; ALS |
ΔfH°solid | 137.8 ± 2.8 | kJ/mol | Ccb | Richardson and Parks, 1939 | Reanalyzed by Cox and Pilcher, 1970, Original value = 135.9 kJ/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -7357.1 ± 0.8 | kJ/mol | Ccb | Lobanov and Karmanova, 1971 | Corresponding ΔfHºsolid = 133. kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -7360.8 ± 3.9 | kJ/mol | Ccb | Marantz and Armstrong, 1968 | see Marantz and Armstrong, 1968, 2; Corresponding ΔfHºsolid = 136.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -7364.6 ± 1.0 | kJ/mol | Ccb | Coops and Hoijtink, 1950 | Reanalyzed by Cox and Pilcher, 1970, Original value = -7361. ± 0.51 kJ/mol; Corresponding ΔfHºsolid = 140.48 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°solid | -7361.9 ± 2.8 | kJ/mol | Ccb | Richardson and Parks, 1939 | Reanalyzed by Cox and Pilcher, 1970, Original value = -7358.82 kJ/mol; Corresponding ΔfHºsolid = 137.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 247.0 | J/mol*K | N/A | Van Miltenburg and Bouwstra, 1984 | DH |
Constant pressure heat capacity of solid
Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
251.08 | 320. | Bouwstra, De Leeuw, et al., 1985 | T = 320 to 410 K.; DH |
235.0 | 298.15 | Van Miltenburg and Bouwstra, 1984 | T = 8 to 350 K.; DH |
Reaction thermochemistry 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 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: C14H12 + H2 = C14H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -77.78 ± 0.84 | kJ/mol | Chyd | Williams, 1942 | liquid phase; solvent: Acetic acid; Reanalyzed by Cox and Pilcher, 1970, Original value = -84.2 ± 1.5 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 phase ion energetics 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 evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
B - John E. Bartmess
View reactions leading to C14H12+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.656 ± 0.001 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.390 ± 0.020 | LPES | Vogeler, Siegert, et al., 2011 | B |
<0.390 ± 0.061 | ECD | Wojnarovits and Foldiak, 1981 | (E) isomer. EA is an upper limit: Chen and Wentworth, 1989. G3MP2B3 calculations indicate an EA of ca. 0.4 eV; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.6558 ± 0.0005 | TE | Takahashi and Kimura, 1995 | LL |
7.70 ± 0.02 | PE | Maier and Turner, 1973 | LLK |
7.70 ± 0.03 | PI | Potapov, Kardash, et al., 1972 | LLK |
7.76 | PE | Dewar and Goodman, 1972 | LLK |
7.87 | PE | Kobayashi, Yokota, et al., 1975 | Vertical value; LLK |
7.90 ± 0.05 | PE | Distefano, Mazzucato, et al., 1975 | Vertical value; LLK |
7.91 ± 0.05 | PE | Goetz, Marschner, et al., 1974 | Vertical value; LLK |
References
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry 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]
Lobanov and Karmanova, 1971
Lobanov, G.A.; Karmanova, L.P.,
Enthalpy of formation of some organic substances,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1971, 14, 865-867. [all data]
Marantz and Armstrong, 1968
Marantz, S.; Armstrong, G.T.,
Heats of combustion of trans-stilbene and trans-2,2',4,',6,6'-hexanitrostilbene (HNS) (Correction),
J. Chem. Eng. Data, 1968, 13, 455. [all data]
Marantz and Armstrong, 1968, 2
Marantz, S.; Armstrong, G.T.,
Heats of combustion of trans-stilbene and trans-2,2',4,4',6,6'-hexanitrostilbene (HNS),
J. Chem. Eng. Data, 1968, 13, 118-121. [all data]
Richardson and Parks, 1939
Richardson, J.W.; Parks, G.S.,
Thermal data on organic compounds. XIX. Modern combustion data for some non-volatile compounds containing carbon, hydrogen and oxygen,
J. Am. Chem. Soc., 1939, 61, 3543-3546. [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]
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]
Van Miltenburg and Bouwstra, 1984
Van Miltenburg, J.C.; Bouwstra, J.A.,
Thermodynamic properties of trans-azobenzene and trans-stilbene,
J. Chem. Thermodynam., 1984, 16, 61-65. [all data]
Bouwstra, De Leeuw, et al., 1985
Bouwstra, J.A.; De Leeuw, V.V.; Van Miltenburg, J.C.,
Properties of mixed-crystalline organic material prepared by zone levelling. IV. Melting properties and excess enthalpies of (trans-azobenzene + trans-stilbene),
J. Chem. Thermodynam., 1985, 17, 685-695. [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]
Vogeler, Siegert, et al., 2011
Vogeler, F.; Siegert, S.; Marian, C.M.; Weinkauf, R.,
T-1, T-2 State Energies and Electron Affinities of Small alpha,omega-Diphenylpolyenes Investigated by Anion Photodetachment Photoelectron Spectroscopy and Excited-State Theory,
Chemphyschem, 2011, 12, 10, 1948-1956, https://doi.org/10.1002/cphc.201001083
. [all data]
Wojnarovits and Foldiak, 1981
Wojnarovits, L.; Foldiak, G.,
Electron capture detection of aromatic hydrocarbons,
J. Chromatogr. Sci., 1981, 206, 511. [all data]
Chen and Wentworth, 1989
Chen, E.C.M.; Wentworth, W.E.,
Experimental Determination of Electron Affinities of Organic Molecules,
Mol. Cryst. Liq. Cryst., 1989, 171, 271. [all data]
Takahashi and Kimura, 1995
Takahashi, M.; Kimura, K.,
ZEKE Photoelectron spectra of trans-stilbene in the S1 state,
J. Phys. Chem., 1995, 99, 1628. [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]
Potapov, Kardash, et al., 1972
Potapov, V.K.; Kardash, I.E.; Sorokin, V.V.; Sokolov, S.A.; Evlasheva, T.I.,
Photoionization of heteroaromatic compounds,
Khim. Vys. Energ., 1972, 6, 392. [all data]
Dewar and Goodman, 1972
Dewar, M.J.S.; Goodman, D.W.,
Photoelectron spectra of molecules. Part 5.--Polycyclic aromatic hydrocarbons,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 1784. [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]
Distefano, Mazzucato, et al., 1975
Distefano, G.; Mazzucato, U.; Modelli, A.; Pignataro, S.; Orlandi, G.,
Photoelectron (He I) spectroscopic study of styrylpyridines,
J. Chem. Soc. Faraday Trans. 2, 1975, 71, 1583. [all data]
Goetz, Marschner, et al., 1974
Goetz, H.; Marschner, F.; Juds, H.,
Zur n-pi Wechselwirkung im Benzalanilin,
Tetrahedron, 1974, 30, 1133. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid EA Electron affinity IE (evaluated) Recommended ionization energy S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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