Preparation and characterization of some transition metal complexes of benzoic acid hydrazones of 2-aminonicotinaldehyde |
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Authors: | Bodige Swamy Jagannatham Ramanuja Swamy |
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Affiliation: | (1) Department of Chemistry, Kakatiya University, 506009 Warangal, India |
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Abstract: | Summary CuII, NiII, CoII, ZnII and PdII complexes of tridentate Schiff base ligands derived from the condensation of benzoic acid hydrazides with 2-aminonicotinaldehyde have been prepared and characterized. For M=Cu, Ni, Co and Zn the complexes were formulated as [M(ligand)(H2O)X] (X=Cl, Br), with a distorted octahedral geometry and tridentate Schiff base ligands. The Pd complexes were formulated as Pd(ligand)Cl2, with square planar geometries and bidentate Schiff base ligands. The e.s.r. spectra of the CuII complexes are discussed. |
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