Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2010 Vol: 2 Issue: 1

Synthesis and spectroscopic studies of tetradentateschiff base complexes of Cu(II), Ni(II), Mn(II) and Co(II

Abstract

Cu(II), Ni(II), Mn(II) and Co(II) complexes were sy nthesized with bis - (salicylaldehyde)malonyldihydrazone a tetradentate ligand (L) and characterized by elemental analysis, molar conductance measurements, magnetic susceptibility, IR, electronic and EPR spectral studies. Metal(II) salts react with Schiff base ligand in 1:1 molar ratio. The ligand and its complexes are stable at room temperature and all of them are nonhygroscopic also. The elemental analysis for carbon, hydrogen and nitroge n were performed by micro analytical methods. Apart from this, the geometry of the newly synthesized compounds has been explained based on their elemental analysis, molar conductivi ty and spectral data. The molar conductance measurements of all the complexes in DMF solution c orrespond to electrolytic nature for the complexes except Mn(II) complexes.