Acta Crystallographica Section E

Structure Reports Online

Volume 62, Part 8 (August 2006)

metal-organic compounds


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Acta Cryst. (2006). E62, m1728-m1730    [ doi:10.1107/S1600536806024871 ]

A new dinuclear MnII compound with intermolecular [pi]-[pi] interactions

G.-B. Che and C.-B. Liu

Abstract: In the title compound, bis([mu]-pyridine-2,5-dicarboxylato)bis[aqua(pyrazino[2,3-f][1,10]phenanthroline)manganese(II)] dihydrate, [Mn2(C7H3NO4)2(C14H8N4)2(H2O)2]·2H2O, each MnII atom is six-coordinated by three N atoms from one bidentate pyrazino[2,3-f][1,10]phenanthroline and one monodentate pyridine-2,5-dicarboxylate ligand, and three O atoms from two monodentate pyridine-2,5-dicarboxylate ligands and one water molecule. The two MnII atoms are bridged by two pyridine-2,5-dicarboxylate ligands, forming a centrosymmetric dinuclear molecule. Neighboring molecules interact through [pi]-[pi] contacts, leading to a one-dimensional supramolecular structure, and O-H...O hydrogen bonds complete the structure.

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