Synthesis, characterization and crystal structures of a pair of novel dinuclear Schiff base copper(II) complexes with different bridging groups

摘要

A pair of novel dinuclear Schiff base copper(II) complexes, [Cu-2(L1)(2)(MeCOO)(2)]. 2H(2)O (1) and [CuBr2(L2)(2)]. 2MeOH (2) (HL1 = 2-[(2-ethylaminoethylimino) methyl] phenol, HL2 = 2-[(2-isopropylaminoethylimino) methyl] phenol), have been synthesized from an identical synthetic procedure and similar Schiff base ligands but with different copper (II) salts. Each copper (II) centre in the complexes is in a square pyramidal coordination. There exists crystallographic imposed centre of inversion in each of the complexes.