cis-Stilbene

• Formula: C₁₄H₁₂
• Molecular weight: 180.2451
• IUPAC Standard InChI: InChI=1S/C14H12/c1-3-7-13(8-4-1)11-12-14-9-5-2-6-10-14/h1-12H/b12-11- Copy

  
• IUPAC Standard InChIKey: PJANXHGTPQOBST-QXMHVHEDSA-N Copy
• 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
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• Stereoisomers:
  • (E)-Stilbene
  • Stilbene
• 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:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
  • NIST Polycyclic Aromatic Hydrocarbon Structure Index
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Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: H₂ + C₁₄H₁₂ = C₁₄H₁₄

=

By formula: C₁₄H₁₂ = C₁₄H₁₂

=

By formula: C₁₄H₁₂ = C₁₄H₁₂

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), 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

Mass spectrum (electron ionization)

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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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]

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, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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