Syntheses and structures of four copper(II) complexes constructed from m-ferrocenylbenzoate and N-donor ligands

► Four copper(II) complexes constructed from the m-ferrocenylbenzoate and three types of N-donor ligands have been synthesized. ► The structures of N-donor ligands dominate the structures of four copper(II) complexes. ► The dinuclear m-ferrocenylbenzoate copper(II) complex possesses an antiferromagnetic property.