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Acta Cryst. (2013). E69, m593-m594
[ doi:10.1107/S1600536813026408 ]

catena-Poly[[di­aqua­bis­([mu]3-5-carboxyl­ato-1H-pyrazole-3-carb­oxy­lic acid-[kappa]3O3:O3;O5)dilithium(I)] monohydrate]

W. Starosta and J. Leciejewicz

Abstract: The basic structural unit of the title polymeric ribbon, {[Li2(C5H3N2O2)2(H2O)2]·H2O}n, is a centrosymmetric dinuclear complex in which the two LiI ions are bridged by two carboxyl­ato O atoms, to generate a centrosymmetric Li2O2 core. These are connected into a chain along [01-1] by carboxylic acid-carbonyl-O bonds. The tetra­hedral coordination of the LiI cation is completed by an aqua ligand. The carboxylic acid is involved in an intra-ribbon hydrogen bond. A solvate water molecule showing positional (50:50) disorder is observed. Polymeric ribbons along [01-1] are connected by O-H...O, N-H...O and O-H...N hydrogen bonds into a three-dimensional architecture.

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