4-Pyridinecarboxamide

• Formula: C₆H₆N₂O
• Molecular weight: 122.1246
• IUPAC Standard InChI: InChI=1S/C6H6N2O/c7-6(9)5-1-3-8-4-2-5/h1-4H,(H2,7,9) Copy

  
• IUPAC Standard InChIKey: VFQXVTODMYMSMJ-UHFFFAOYSA-N Copy
• CAS Registry Number: 1453-82-3
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Pyridine-4-carboxylic acid amide; γ-Pyridinecarboxamide; Isonicotinic acid amide; 4-Carbamoylpyridine; Isonicotinamide
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• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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
AC - William E. Acree, Jr., James S. Chickos

Enthalpy of sublimation

Enthalpy of fusion

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.

Leis and Curran, 1945
Leis, D.G.; Curran, B.C., Electric moments of some gamma-substituted pyridines, J. Am. Chem. Soc., 1945, 67, 79. [all data]

Ribeiro da Silva, Gonçalves, et al., 2001
Ribeiro da Silva, Maria D.M.C.; Gonçalves, Jorge M.; Ferreira, Susana C.C.; da Silva, Luís C.M.; Sottomayor, M.J.; Pilcher, G.; Acree Jr, William E.; Roy, Lindsay E., Experimental thermochemical study of the enthalpies of formation and sublimation of isonicotinamide, picolinamide, nicotinamide, isonicotinamideN-oxide, and nicotinamideN-oxide. The dissociation enthalpies of the N--O bonds, The Journal of Chemical Thermodynamics, 2001, 33, 10, 1263-1275, https://doi.org/10.1006/jcht.2001.0839 . [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Negoro, Miki, et al., 1960
Negoro, H.; Miki, T.; Ueda, S., Yakugaku Zasshi, 1960, 80, 665. [all data]

Harutada, 1959
Harutada, N., Takamine Kenkyusho Nempo, 1959, 11, 66. [all data]

Negoro, Miki, et al., 1960, 2
Negoro, H.; Miki, T.; Ueda, S.; Sanada, T.; Okada, R., Yakugaku Zasshi, 1960, 80, 670. [all data]

Notes

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• Symbols used in this document:
  

  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔsubH	Enthalpy of sublimation
  ΔsubH°	Enthalpy of sublimation at standard conditions

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