Abstract
The title isoniazid derivative, C16H17N3O, exists in an E configuration with respect to the Schiff base C=N bond. The pyridine ring is essentially planar [maximum deviation = 0.009 (3) Å]. The mean plane through the hydrazide unit forms dihedral angles of 38.38 (16) and 39.42 (16)°, respectively, with the pyridine and benzene rings. In the crystal structure, symmetry-related molecules are linked via intermolecular N—H⋯O hydrogen bonds into chains along [100]. The crystal structure is further stabilized by weak intermolecular C—H⋯π interactions.
Highlights
The title isoniazid derivative, C16H17N3O, exists in an E configuration with respect to the Schiff base C N bond
Symmetry-related molecules are linked via intermolecular N—H O hydrogen bonds into chains along [100]
As part of our current work on the synthesis of (E)-N′-substituted isonicotinohydrazide derivatives, in this paper we report the crystal structure of the title isoniazid derivative
Summary
H atoms treated by a mixture of independent and constrained refinement max = 0.48 e Å3. R factor = 0.074; wR factor = 0.160; data-to-parameter ratio = 16.6. Cg1 is the centroid of the C1-C5/N1 pyridine ring. The title isoniazid derivative, C16H17N3O, exists in an E configuration with respect to the Schiff base C N bond. The pyridine ring is essentially planar [maximum deviation =. The mean plane through the hydrazide unit forms dihedral angles of 38.38 (16) and 39.42 (16) , respectively, with the pyridine and benzene rings. Symmetry-related molecules are linked via intermolecular N—H O hydrogen bonds into chains along [100]. The crystal structure is further stabilized by weak intermolecular C—H interactions
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