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The structure of the title compound, [Mn{Ni(C2H3O2)(C3H7NO) (C17H16N2O2)}2], consists of a linear heterotrinuclear unit with a central MnII ion. Both the terminal NiII ions and the central MnII ion have irregular octahedral coordinations. The central MnII ion is located on the inversion centre. Each pair of metal ions is triply bridged via O atoms from the N,N′-bis(salicylidene)-1,3-propanediaminato (SALPD2−) ligands and from the acetate groups. The coordination around the MnII ion consists of four O atoms from two SALPD2− ligands, and one O atom from each of two acetate ligands. The coordination of each terminal NiII ion is provided by the two O and two N atoms from a SALPD2− ligand, and by one O atom each from a bridging acetate and a dimethylformamide (dmf) ligand. The dmf and acetate ligands are trans about the terminal NiII ion. The average Ni—O and Ni—N distances for the terminal ions are 2.071 (2) and 2.026 (2) Å, respectively. The Ni...Mn distance is 3.133 (2) Å.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks global, NIMNAST

hkl

Structure factor file (CIF format)
Contains datablock NIMNAST

CCDC reference: 130396

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