Spectral studies and crystal structures of some transition metal complexes of N4-substituted semicarbazones

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Spectral studies and crystal structures of some transition metal complexes of N4-substituted semicarbazones

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Title: Spectral studies and crystal structures of some transition metal complexes of N4-substituted semicarbazones
Author: Reena, T A; Dr. Prathapachandra Kurup, M R
Abstract: The present work is concentrated on the studies of two novel semicarbazones, di-2-pyridyl ketone-N4-phenyl-3-semicarbazone (HL1) and quinoline-2-carboxaldehyde-N4-phenyl-3-semicarbazone (HL2). The compositions of these semicarbazones were determined by the CHN analyses. For the characterization of these compounds we have used IR, UV and NMR spectral studies. The molecular structure of quinoline-2-carboxaldehyde-N4-phenyl-3- semicarbazone (HL2) was obtained by single crystal X-ray diffraction studies. Also, we have synthesized Zn(II), Cd(II), Cu(II), Ni(II), Co(II) and Mn(II) complexes of these semicarbazones, HL1 and HL2. These complexes were characterized by various spectroscopic techniques, magnetic and conductivity studies. We could isolate single crystals of some Zn(II) and Cd(II) compounds suitable for X-ray diffraction studies. For other complexes we could not isolate single crystals of good quality for single crystal X-ray diffraction studies.
Description: Department of Applied Chemistry, Cochin University of Science and Technology
URI: http://dyuthi.cusat.ac.in/purl/2359
Date: 2011-03


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