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(E)-N'-(2,4,6-Trihydroxy-benzyl-idene)isonicotinohydrazide sesquihydrate.


ABSTRACT: In the title compound, C(13)H(11)N(3)O(4)·1.5H(2)O, the pyridine ring forms a dihedral angle of 1.50?(6)° with the benzene ring. An intra-molecular O-H?N hydrogen bond forms a six-membered ring with an S(6) ring motif. In the crystal structure, one water mol-ecule is disordered over two positions around an inversion centre with site-occupancy factors of 0.5. Inter-molecular O-H?N, O-H?O, N-H?O and C-H?O hydrogen bonds consolidate the structure into a three dimensional network. A ?-? stacking inter-action with a centroid-centroid distance of 3.5949?(7)?Å is also present.

SUBMITTER: Naveenkumar HS 

PROVIDER: S-EPMC2979176 | biostudies-literature | 2010 Apr

REPOSITORIES: biostudies-literature

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(E)-N'-(2,4,6-Trihydroxy-benzyl-idene)isonicotinohydrazide sesquihydrate.

Naveenkumar H S HS   Sadikun Amirin A   Ibrahim Pazilah P   Loh Wan-Sin WS   Fun Hoong-Kun HK  

Acta crystallographica. Section E, Structure reports online 20100428 Pt 5


In the title compound, C(13)H(11)N(3)O(4)·1.5H(2)O, the pyridine ring forms a dihedral angle of 1.50 (6)° with the benzene ring. An intra-molecular O-H⋯N hydrogen bond forms a six-membered ring with an S(6) ring motif. In the crystal structure, one water mol-ecule is disordered over two positions around an inversion centre with site-occupancy factors of 0.5. Inter-molecular O-H⋯N, O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds consolidate the structure into a three dimensional network. A π-π stacking int  ...[more]

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