Abstract

Abstract A series of new dioxomolybdenum(VI) complexes of the Schiff bases derived from o-aminobenzylalcohol and salicylaldehyde or 2-hydroxy-1-naphthaldehyde has been prepared and characterized on the basis of elemental analyses, molecular weight, electrical conductance, infrared and electronic spectra, and magnetic susceptibility measurements. The Schiff bases behave as dibasic, tridentate ONO donor ligands and form complexes of the type MoO2L (where LH2 = Schiff base) which are oligomers. MoO2L reacts with monodentate ligand(A) like pyridine, DMSO and forms six-coordinated complexes of the type MoO2L. A which are monomers. The complexes are non-electrolytes, diamagnetic, six-coordinated and octahedral, and possess a cis-MoO2 structure. All the complexes exhibit a charge transfer transition around 25500 cm−1.

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