Author(s)

Gerzon E. Delgado, Asiloé J. Mora, Marilia Guillén-Guillén, Jeans W. Ramírez, Jines E. Contreras

Laboratorio de Cristalografía, Departamento de Química, Facultad de Ciencias, Universidad de Los Andes, Mérida, Venezuela.

The title compound, 2-pyridinecarboxamide, C₆H₆N₂O, crystallize in the monoclinic system with space group P2₁/n (N^o14), Z = 4, and unit cell parameters a = 5.2074(1) , b = 7.1004(1) , c = 16.2531(3) , = 100.260(1)^o. The crystal structure of the title compound, was reported previously from Weissenberg photographic data with R = 0.127. It has now been redetermined, providing a significant increase in the precision of the derived geometric parameters. The crystal packing is governed by N--HO hydrogen bond-type intermolecular interactions, forming infinite one-dimensional chains with graph-set notation C(4), R²₂(8) and R²₄(8).

Pyridinecarboxamides; Picolinamide; X-Ray Crystal Structure; Hydrogen Bonding

G. Delgado, A. Mora, M. Guillén-Guillén, J. Ramírez and J. Contreras, "Crystal Structure Determination and Hydrogen-Bonding Patterns in 2-Pyridinecarboxamide," Crystal Structure Theory and Applications, Vol. 1 No. 3, 2012, pp. 30-34. doi: 10.4236/csta.2012.13006.