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Synthesis and identification of several new complexes of Co (II), Ni(II) and Cu (II) with a bidentate Schiff base ligand

M.Montazerozohori, S.A.R.Musavi, S.Joohari

This paper reports the synthesis of Co (II), Ni (II) and Cu (II) complexes of N, N- bis (2-nitrocinnamaldehydene)phenylene-1,2-diamine (L). The compounds so obtained have been characterized by elemental analyses, molar conductance, magneticmeasurements, infrared and electronic spectral studies and decomposition temperatures. The results suggest pseudotetrahedral geometry for cobalt and copper while octahedral structure for nickel complexes. Therefore general formulas of these complexes are suggested as NiL2X2 and MLX2, whereinM= Co (II) and Cu (II) and X = Cl-, Br-, I-,N3-, SCN-.