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μ-Cyanido-1:2κ2N:C-tricyanido-2κ3C-(rac-5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane-1κ4N,N′,N′′,N′′′)dinickel(II) N,N-dimethylformamide monosolvate hemihydrate

Author(s): Hai-Ming Jiang | Seik Weng Ng

Journal: Acta Crystallographica Section E
ISSN 1600-5368

Volume: 66;
Issue: 11;
Start page: m1467;
Date: 2010;
Original page

The two NiII atoms in the title complex, [Ni2(CN)4(C16H36N4)]·C3H7NO·0.5H2O, are bridged by a cyanide ion. The macrocycle folds around one NiII atom, which is five-coordinated in an NiN5 square-pyramidal geometry. The other NiII atom is surrounded by the cyanide ions in an NiN4 square-planar geometry. The dimethylformamide solvent molecule is disordered over two positions in a 0.62 (1):0.38 (1) ratio and the water molecule is disordered about a center of inversion. The dinuclear molecule and solvent molecules are linked by N—H...O, N–H...N and O—H...O hydrogen bonds, forming a three-dimensional network.
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