[μ-N,N′-Bis(3-meth­oxy-2-oxidobenzyl­idene)propane-1,3-diamine]trinitratocopper(II)terbium(III) acetone solvate

In the title complex, [CuTb(C(19)H(20)N(2)O(4))(NO(3))(3)]·CH(3)COCH(3), the Cu(II) atom is four-coordinated by two O atoms and two N atoms from the deprotonated Schiff base in a square-planar geometry, while the Tb(III) atom is ten-coordin­ated by four O atoms from the deprotonated Schiff base and six O atoms from three bidentate nitrate anions. The compound is isostructural with the previously reported Gd(III) analogue [Elmali & Elerman (2004 ▶). Z. Naturforsch. Teil B, 59, 535–540], which was described in the space group P1 with two formula units in the asymmetric unit. The crystal stucture is, in fact, centrosymmetric and is described here in the space group P [Image: see text] with one formula unit in the asymmetric unit.