Acta Cryst. (2005). E61, m2556-m2558  [ doi:10.1107/S1600536805036159 ]

Poly[[diaquabis(1,10-phenanthroline)bis(₃-5-sulfonatosalicylato)tricopper(II)] tetrahydrate]

S.-R. Fan and L.-G. Zhu

Abstract: The structure of the title compound, {[Cu₃(C₇H₃O₆S)₂(C₁₂H₈N₂)₂(H₂O)₂]·4H₂O}_n, consists of centrosymmetric trinuclear [Cu₃(ssal)₂(phen)₂(H₂O)₂] (phen is 1,10-phenanthroline and ssal is the 5-sulfonatosalicylate trianion) building units and non-coordinated water molecules. The central ( site symmetry) Cu atom is octahedrally coordinated and the other unique Cu atom adopts a square-pyramidal geometry. The ₃-ssal ligands link trinuclear units into a chain running along the a axis via bridging sulfonate groups. The chains are connected by O-HO bonds into a three-dimensional network.

Online 10 November 2005

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