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Title: Crystal structures of Schiff base derivatives of 1-(3,4,5-trimethoxybenzylidene)thiosemicarbazide and (E)-N′-(3-nitrobenzylidene)isonicotinohydrazide

The crystal structures of 1-(3,4,5-trimethoxybenzylidene)thiosemicarbazide (1) and N′-(3-nitrobenzylidene) isonicotinohydrazide (2) have been determined by single-crystal X-ray diffraction. In compound 1, the position of C8, O1, O2, O3 atoms are in a distorted trigonal planar geometry. The mean plane of 3,4,5-trimethoxybenzylidene ring forms a dihedral angle of 5.39(14)° with the mean plane of thiosemicarbazide group. In the structure, the molecular packing is stabilized by intermolecular N–H with diaresisN, O–H with diaresisS and intramolecular C–H with diaresisO hydrogen bonds. In compound 2, the position of C8 atom and N1 atom are in a distorted trigonal planar geometry. The mean plane of phenyl ring forms a dihedral angle of 8.09° with that of the pyridine ring. In the structure, the molecular packing is stabilized by intermolecular N–H with diaresisN and intramolecular C–H with diaresisO hydrogen bonds.
Authors:
;  [1] ;  [2]
  1. Department of Studies in Physics, Manasagangotri, University of Mysore, Mysore-570006 (India)
  2. Department of Chemistry, JSS College of Arts, Commerce and Science, Ooty Road, Mysore-570025 (India)
Publication Date:
OSTI Identifier:
22269280
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1591; Journal Issue: 1; Conference: 58. DAE solid state physics symposium 2013, Patiala, Punjab (India), 17-21 Dec 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; CRYSTAL STRUCTURE; HYDROGEN; MONOCRYSTALS; PYRIDINE; SCHIFF BASES; X-RAY DIFFRACTION