Synthesis and Crystal Structures of Ni(II)/(III) and Zn(II) Complexes with Schiff Base Ligands

Abstract

In this work, the Schiff bases, Hapb and Hbpb, derivedfrom 2-acetylpyridene or 2-benzoylpyridine and benzhy-drazide were taken as trifunctional (N,N,O) monobasicligand ( Scheme 1). This ligand is of important because theπ-delocalization of charge and the configurational flexi-bility of their molecular chain can give rise to a great vari-ety of coordination modes. Although many metal–Schiffbase complexes have been reported, the 1D, 2D, and 3Dnetworks of coordination polymers linked through thebridging of ligands such as dicyanamide, N(CN)