Acta Cryst. (2008). E64, m92  [ doi:10.1107/S1600536807063775 ]

Sodium (1R,2S,5S)-2-hydroxy-6,6-dimethylbicyclo[3.1.1]heptane-2-carboxylate pentahydrate

S.-Y. Ma, Z.-B. Zheng and J.-K. Li

Abstract: In the title compound, Na⁺·C₁₀H₁₅O₃^-·5H₂O, the vertices of a distorted octahedron centred on the Na⁺ cation are defined by six O atoms of water molecules. The edge-sharing Na(H₂O)₆ octahedra form a chain extended along the b-axis direction with adjacent Na⁺ cations related by a twofold screw symmetry operation. The organic anion, which is not in close contact with the Na⁺ cation, is hydrogen-bonded to an uncoordinated water molecule and to water molecules of the Na(H₂O)₆ octahedra.

Online 6 December 2007

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