1,4-Benzenedicarbonitrile

• Formula: C₈H₄N₂
• Molecular weight: 128.1308
• IUPAC Standard InChI: InChI=1S/C8H4N2/c9-5-7-1-2-8(6-10)4-3-7/h1-4H Copy

  
• IUPAC Standard InChIKey: BHXFKXOIODIUJO-UHFFFAOYSA-N Copy
• CAS Registry Number: 623-26-7
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Terephthalonitrile; p-Benzenedinitrile; p-Dicyanobenzene; p-Phthalodinitrile; Terephthalic acid dinitrile; Terephthalodinitrile; 1,4-Dicyanobenzene; 4-Cyanobenzonitrile; Terephthalonitrile (di); p-Pdn; Nitril kyseliny tereftalove; Tereftalodinitril; 1,4-Benzodinitrile; 1,4-Benzendikarbonitril; Tereftalonitril; p-Phthalonitrile; p-Cyanobenzonitrile; NSC 144977; NSC 78439
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• Information on this page:
  • Enthalpy of sublimation 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
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
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Enthalpy of sublimation at standard conditions (nominally 298.15 K, 1 atm.)

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

References

Go To: Top, Enthalpy of sublimation 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.

Acree, Tucker, et al., 1992
Acree, W.E., Jr.; Tucker, S.A.; Pilcher, G., Enthalpies of combustion of 1,4-dicyanobenzene di-N-oxide and 1,4-dicyanobenzene: the mean dissociation enthalpy of the (N-O) bonds, J. Chem. Thermodyn., 1992, 24, 213-216. [all data]

Sato-Toshima, Sakiyama, et al., 1980
Sato-Toshima, T.; Sakiyama, M.; Seki, S., Thermochemical estimation of destabilization energies of 1,2-, 1,3-, and 1,4-dicyanobenzenes due to interactions between substituents. Appendix: Dipole moments in solution of the dicyanobenzenes, Bull. Chem. Soc. Jpn., 1980, 53, 2762-2767. [all data]

Notes

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

• Symbols used in this document:
  

  ΔsubH°

  Enthalpy of sublimation at standard conditions

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