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Acta Crystallogr Sect E Struct Rep Online. 2010 Apr 30;66(Pt 5):o1235-6. doi: 10.1107/S1600536810015254.

(E)-N'-(2,4,5-Trimethoxy-benzyl-idene)isonicotinohydrazide dihydrate.

Abstract

The asymmetric unit of the title compound, C(16)H(17)N(3)O(4)·2H(2)O, contains one Schiff base mol-ecule and two water mol-ecules. The Schiff base mol-ecule exists in an E configuration with respect to the C=N double bond and is essentially planar, the dihedral angle between the benzene and pyridine rings being 5.48 (8)°. The three meth-oxy groups are also coplanar with the benzene ring [C-O-C-C torsion angles = 3.9 (2), 178.51 (15) and 0.8 (2) Å]. In the crystal structure, the water mol-ecules link the mol-ecules into a three-dimensional network via inter-molecular N-H⋯O, O-H⋯O, O-H⋯N and C-H⋯O hydrogen bonds.

PMID:
21579256
[PubMed]
PMCID:
PMC2979138
Free PMC Article
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