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Acta Cryst. (2004). E60, m6-m8  [ doi:10.1107/S1600536803026862 ]

cis-Diaquabis[2-(hydroxymethyl)pyridine]nickel(II) dichloride

S. Hamamci, V. T. Yilmaz and C. Thöne

Abstract: The title complex, [Ni(mpy)2(H2O)2]Cl2 [mpy is 2-(hydroxymethyl)pyridine, C6H7NO], consists of two chloride anions and an [Ni(mpy)2(H2O)2]2+ cation, in which the NiII ion lies on a twofold axis and exhibits octahedral geometry, coordinated by two neutral mpy ligands and two water molecules. Mpy acts as an N,O-bidentate ligand, giving rise to a five-membered chelate ring. The Ni-Nmpy, Ni-Ompy and Ni-Owater bond distances are 2.0629  (8), 2.0573  (7) and 2.0490  (7)  Å, respectively. The H atoms of the water molecules and the hydroxy group of mpy form O-H...Cl hydrogen bonds, resulting in a three-dimensional network.

Online 6 December 2003


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