Mononuclear zinc(II), homodinuclear zinc(II) and heterodinuclear zinc(II)–copper(II) complexes derived from tris[(2-pyridyl)methyl]amine

Abstract

Mononuclear zinc(II), homodinuclear zinc(II) and heterodinuclear zinc(II)–copper(II) complexes derived from tris[(2-pyridyl)methyl]amine (L) have been prepared and characterised. The crystal structures of two mononuclear complexes, [ZnL(Cl)][BPh ₄ ]·MeCN and [ZnL(O ₂ CPh)][BPh ₄ ] show that the co-ordination geometries around the zinc are close to trigonal bipyramidal and that of the heterodinuclear complex [ZnCuL ₂ (p-O ₂ NC ₆ H ₄ OPO ₃ ][BPh ₄ ] ₂ ·H ₂ O shows that the metal atoms are separated by 5.86 Å and bridged by a phosphate monoester.