Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 10 (October 2003)


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Acta Cryst. (2003). C59, m396-m398    [doi:10.1107/S0108270103018080]

Two isomorphous imidazole (Him) complexes: [MCl2(Him)2(H2O)2] (M  =  Co and Ni)

A. M. Atria, P. Cortés, M. T. Garland and R. Baggio

Abstract: The structures of aquadichlorobis(1H-imidazole)cobalt(II), [CoCl2(Him)2(H2O)2] (Him is 1H-imidazole, C3H4N2), (I), and aquadichlorobis(1H-imidazole)nickel(II), [NiCl2(Him)2(H2O)2], (II), are isomorphous and consist of monomers with inversion symmetry. The three monodentate ligands (imidazole, chlorine and aqua), together with their symmetry equivalents, define almost perfect octahedra. Hydrogen-bonding interactions via the imidazole and aqua H atoms lead to a three-dimensional network.

Formula: [CoCl2(C3H4N2)2(H2O)2] and [NiCl2(C3H4N2)2(H2O)2]

Online 16 September 2003

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Structure factor file (CIF format) (64.5 kbytes)
Contains datablock I

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Structure factor file (CIF format) (64.4 kbytes)
Contains datablock 2

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