Acta Cryst. (2006). E62, m3185-m3187  [ doi:10.1107/S160053680604503X ]

Bis(guanidinium) hexahydroxooctadecaoxodisodiohexamolybdonickelate decahydrate

B. Liu, S. Zhou, C.-B. Li and H.-G. Zhang

Abstract: The title compound, (CH₆N₃)₂[Na₂Ni(OH)₆Mo₆O₁₈]·10H₂O, features inversion-generated hexamolybdonickelate anions (Ni site symmetry ). The anions are linked by octahedrally coordinated Na⁺ cations into extended sheets. The guanidinium cations and uncoordinated water molecules link the sheets together via O-HO and N-HO hydrogen bonds to form a three-dimensional network. Two water molecule O atoms have site symmetry 2.

Online 3 November 2006

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