ELECTROCHEMICAL SYNTHESIS AND STRUCTURAL CHARACTERIZATION OF NICKEL(II) AND COPPER(II) COMPLEXES OF TRIDENTATE SCHIFF BASES - MOLECULAR STRUCTURE OF THE FIVE-COORDINATED COPPER(II) COMPLEX - 1,10-PHENANTHROLINE (2-[(2-OXYPHENYL)IMINOMETHYL]PHENOLATO)

摘要

Electrochemical oxidation of metal anodes (copper and nickel) in acetonitrile solutions of Schiff bases (H(2)L) (synthesized from salicylaldehydes and 2-aminophenols) gave Cut and Nit complexes. When I;IO-phenanthroline (phen) or 2,2'-bipyridine (bipy) was added to the electrolytic cell, the mixed complexes CuLL' and NiLL' (L' = phen or bipy) were obtained. The crystal structure of 1,10-phenanthroline {2-[(2-oxyphenyl)iminomethyl]phenolate}copper(II) was determined by X-ray diffraction. The structure consists of-monomeric molecules in which the copper atom has a distorted square-pyramidal CuN3O2 kernel. [References: 37]