Structural investigation of mixed ligand complexes of Cu (II) and Ni (II) with salicylaldehyde semicarbazone and heterocyclic base

The mixed ligand complexes of Cu (II) and Ni (II) with schiff base derived from semicarbazone and heterocylic base pyridine have been synthesized and characterized on the basis of elemental analysis, IR, electronic, magnetic moment, conductance and thermogravimetric analysis . The complexes are colored and stable in air, having the general formula M(L)B.X[ metal: Ligand: base. H2O]. The thermal behavior of complexes show that the hydrated complexes lose molecule of water first, followed by decomposition of ligand molecules in subsequent steps. The ligand and its complexes have also been tested for their antimicrobial behavior against various microorganisms and all complexes show a good activity.

Author(s): Bharti Jain, Meena Verma and Suman Malik

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