Abstract
In the title compound, C6H7N3O, the amide group is rotated such that the carbonyl O atom is syn to the pyridine N atom, with an O—C—C—C torsion angle of −23.55 (18)°. The crystal packing involves four hydrogen bonds of the types N—H⋯N and N—H⋯O. Two separate centrosymmetric rings are formed using N—H⋯N and N—H⋯O hydrogen bonds that result in a ribbon of 6-aminonicotinamide molecules, joined by the amide and amine functional groups. The remaining two hydrogen bonds are used to generate a three-dimensional packing arrangement.
Highlights
Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Private Bag 3, PO WITS 2050, Johannesburg, South Africa
H atoms treated by a mixture of independent and constrained refinement max = 0.33 e Å3
C6H7N3O, the amide group is rotated such that the carbonyl O atom is syn to the pyridine N atom, with an O—C—C—C torsion angle of 23.55 (18)
Summary
Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Private Bag 3, PO WITS 2050, Johannesburg, South Africa. H atoms treated by a mixture of independent and constrained refinement max = 0.33 e Å3. R factor = 0.040; wR factor = 0.113; data-to-parameter ratio = 14.8. C6H7N3O, the amide group is rotated such that the carbonyl O atom is syn to the pyridine N atom, with an O—C—C—C torsion angle of 23.55 (18). The crystal packing involves four hydrogen bonds of the types N—. Two separate centrosymmetric rings are formed using N—H N and N—H O hydrogen bonds that result in a ribbon of 6-aminonicotinamide molecules, joined by the amide and amine functional groups. The remaining two hydrogen bonds are used to generate a threedimensional packing arrangement
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