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Acta Crystallographica Section C: Crystal Structure Communications, cilt.55, sa.4, ss.511-513, 1999 (SCI-Expanded)
The structure of the title compound, [Cu{Cu(CH3CO2)-(C17H16N 2O2)}2]·C4H8O 2, contains a linear homotrinuclear complex with a central Cu11 ion which lies on an inversion centre. It has an irregular octahedral coordination involving four O atoms from two N,N′-bis-(salicylidene)-1,3-propanediaminato (SALPD2-) ligands and two acetate groups. The coordination about each of the two terminal Cu11 ions related by the inversion centre comprises two O atoms and two N atoms from an SALPD2- ligand, as well as one acetate O atom. Each acetate anion bridges between a terminal and the central Cu11 ion, and these are mutually trans. The Cu⋯Cu bridging distance is 3.1242 (7) Å. Taking into account that the dioxane molecules bridge trinuclear complexes in neighbouring unit cells through Cu2⋯O5 contacts of 2.649 (3) Å, each terminal Cu11 ion possesses irregular octahedral coordination.