(E)-N'-(3-Bromo-5-chloro-2-hy-droxy-benzyl-idene)nicotinohydrazide.

ABSTRACT: There are two independent mol-ecules in the asymmetric unit of the title compound, C(13)H(9)BrClN(3)O(2), in which the dihedral angles between the benzene and pyridine rings are 8.23?(9)° and 52.84?(12)°. Both the mol-ecules exist in an E configuration with respect to the C=N double bond. The two mol-ecules in the asymmetric unit are linked via weak C-H?O hydrogen bonds. In both the mol-ecules, an intra-molecular O-H?N hydrogen bond generate an S(6) graph-set motif. In the crystal, inter-molecular N-H?O and C-H?O hydrogen bonds generate bifurcated R(1) (2)(7) ring motifs. The crystal packing is further stabilized by weak inter-molecular N-H?O, N-H?N, C-H?O and ?-? [centroid-centroid distance 3.615?(2)?Å] inter-actions.

SUBMITTER: Prabhu M 

PROVIDER: S-EPMC3201283 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature