2,5-Norbornadiene

• Formula: C₇H₈
• Molecular weight: 92.1384
• IUPAC Standard InChI: InChI=1S/C7H8/c1-2-7-4-3-6(1)5-7/h1-4,6-7H,5H2 Copy

  
• IUPAC Standard InChIKey: SJYNFBVQFBRSIB-UHFFFAOYSA-N Copy
• CAS Registry Number: 121-46-0
• 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.
• Other names: Bicyclo[2.2.1]hepta-2,5-diene; Bicyclo[2.2.1]heptadiene; Norbornadiene; 3,6-Methano-1,4-cyclohexadiene; Dicycloheptadiene; Bicyclo[2.2.1]-2,5-heptadiene; NSC 13672; 8,9,10-trinorborna-2,5-diene
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
• Options:
  • Switch to SI units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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.

Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)

Go To: Top, 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
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.

References

Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), Notes

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

An and Xie, 1993
An, X.; Xie, Y., Enthalpy of isomerization of quadricyclane to norbornadiene, Thermochim. Acta, 1993, 220, 17-25. [all data]

Kusano, 1985
Kusano, Kazuhito, Micro conduction calorimeters to measure enthalpies of vaporization, Thermochimica Acta, 1985, 88, 1, 109-120, https://doi.org/10.1016/0040-6031(85)85418-6 . [all data]

Steele, 1978
Steele, W.V., The standard enthalpies of formation of a series of C₇, bridged-ring hydrocarbons: norbornane, norbornene, nortricyclene, norbornadiene, and quadricyclane, J. Chem. Thermodyn., 1978, 10, 919-927. [all data]

Hall, Smith, et al., 1973
Hall, H.K., Jr.; Smith, C.D.; Baldt, J.H., Enthalpies of formation of norticyclene, norbornene, norbornadiene, and quadricyclane, J. Am. Chem. Soc., 1973, 95, 3197-3201. [all data]

Notes

Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), References

• Symbols used in this document:
  

  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.