A salen-type trinuclear Zn2Gd complex

In the trinuclear title complex, di-mu-acetato-1:2 kappa O-2:O';2:3 kappa O-2:O'-bis{mu-6,6'- dimethoxy-2,2'-[cyclohexane-1,2-diylbis(methanylylidene)] diphenolato}- 1: 2 kappa O-6(1),N,N',O-1':O-6,O-6';2:3 kappa O-6(6),O-6':O-1,N,N',O-1'-2-gadolinium(III)-1,3-dizinc hexafluoridophosphate methanol monosolvate monohydrate, [GdZn2(C22H24N2O4)(2)(CH3COO)(2)]PF6 center dot CH3OH center dot H2O, the two Zn-II ions are located in the inner N2O2 cavities of two 6,6'-dimethoxy-2,2'-[cyclohexane-1,2- diylbis(methanylylidene)] diphenolate (L) ligands. Both Zn-II ions are fivecoordinated by two O atoms and two N atoms from the L ligand and one O atom of an acetic acid molecule, giving rise to a square-pyramidal geometry around the Zn-II ions. The Gd-III ion is nine-coordinated by four O atoms from the outer O2O2 sites of one ligand, and three O atoms from another ligand, in which there is one non-coordinating methoxy O atom. Two further O atom from different acetate ligands complete the nine-coordinate environment.