5-Ethylidene-2-norbornene, trans

• Formula: C₉H₁₂
• Molecular weight: 120.1916
• IUPAC Standard InChI: InChI=1S/C9H12/c1-2-8-5-7-3-4-9(8)6-7/h2-4,7,9H,5-6H2,1H3/b8-2- Copy

  
• IUPAC Standard InChIKey: OJOWICOBYCXEKR-WAPJZHGLSA-N Copy
• CAS Registry Number: 28304-66-7
• 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:
  • 5-Ethylidene-2-norbornene
  • trans-5-Ethylidene-bicyclo[2.2.1]hept-2-ene
• Other names: 5-Ethylidene-2-norbornene, cis; Bicyclo[2.2.1]hept-2-ene, 5-ethylidene-, cis; Bicyclo[2.2.1]hept-2-ene, 5-ethylidene-, trans; (Z)-5-Ethylidene-bicyclo[2.2.1]hept-2-ene
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • References
  • Notes
• Other data available:
  • Gas Chromatography
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Gas 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

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

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of vaporization

References

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

Steele, Chirico, et al., 1997
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A., Thermodynamic properties and ideal-gas enthalpies of formation for 2-aminoisobutyric acid (2-methylalanine), acetic acid, (4-methyl-3-penten-2-one), 4-methylpent-1-ene, 2,2'-bis(phenylthio)propane, and glycidyl phenyl ether (1,2-epoxy-3-phenoxypropane), J. Chem. Eng. Data, 1997, 42, 1052-1066. [all data]

Kozina, Timofeeva, et al., 1971
Kozina, M.P.; Timofeeva, L.P.; Skuratov, S.M.; Belikova, N.A.; Milvitskaya, E.M.; Plate, A.F., The enthalpies of combustion of some bicyclic compounds, J. Chem. Thermodyn., 1971, 3, 563-570. [all data]

Steele, Chirico, et al., 1997, 2
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A., Thermodynamic Properties and Ideal-Gas Enthalpies of FOrmation for 2-Aminoisobutyric Acid (2-Methylalanine), Acetic Acid, (Z)-5-Ethylidene-2- norbornene, Mesityl Oxide (4-Methyl-3-pentene-2-one), 4-M, J. Chem. Eng. Data, 1997, 42, 1053-66. [all data]

Steele, Chirico, et al., 1997, 3
Steele, W.V.; Chirico, R.D.; Cowell, A.B.; Knipmeyer, S.E.; Nguyen, A., Thermodynamic Properties and Ideal-Gas Enthalpies of Formation for 2-Aminoisobutyric Acid (2-Methylalanine), Acetic Acid, ( Z )-5-Ethylidene-2-norbornene, Mesityl Oxide (4-Methyl-3-penten-2-one), 4-Methylpent-1-ene, 2,2'-Bis(phenylthio)propane, and Glycidyl Phenyl Ether (1,2-Epoxy-3-phenoxypropane), J. Chem. Eng. Data, 1997, 42, 6, 1053-1066, https://doi.org/10.1021/je970099y . [all data]

Notes

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• Symbols used in this document:
  

  Pc	Critical pressure
  Tc	Critical temperature
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ρc	Critical density

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