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Acta Cryst. (2007). E63, m1279-m1281  [ doi:10.1107/S1600536807016029 ]

Diaquabis[4-(dimethylamino)benzoato-[kappa]O](nicotinamide-[kappa]N1)manganese(II) dihydrate

T. Hökelek and H. Necefoglu

Abstract: The title manganese complex, [Mn(C9H10NO2)2(C6H6N2O)2(H2O)2]·2H2O, is monomeric and centrosymmetric. It contains two 4-(dimethylamino)benzoate (DMAB) and two nicotinamide (NA) ligands, two coordinated and two uncoordinated water molecules, all ligands being monodentate. The four O atoms in the equatorial plane around the Mn atom form a slightly distorted square-planar arrangement, while the distorted octahedral coordination is completed by the two NA N atoms in the axial positions. In the crystal structure, intermolecular O-H...O and N-H...O hydrogen bonds link the molecules to form a supramolecular structure.

Online 13 April 2007


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