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Acta Cryst. (2013). E69, m586-m587
[ doi:10.1107/S1600536813026421 ]

catena-Poly[[di­aqua­[[mu]2-4-(4-carb­oxy­phen­oxy)benzoato]([mu]2-4,4'-oxydibenzo­ato)praseodymium(III)] monohydrate]

P. Li, D.-M. Su and C.-G. Zheng

Abstract: In the title compound, {[Pr(C14H8O5)(C14H9O5)(H2O)2]·H2O}n, the PrIII cation is eight-coordinated by six carboxyl O atoms from both a monoanionic 4-(4-carb­oxy­phen­oxy)benzoate and a dianionic 4,4'-oxydibenzoate ligand (four bridging with two from a bidentate chelate inter­action), and two O-atom donors from water mol­ecules. A single water mol­ecule of solvation is also present. The complex units are linked through carboxyl O:O' bridges giving a two-dimensional sheet polymer lying parallel to (001). An overall three-dimensional network structure is generated through inter­molecular carb­oxy­lic acid and water O-H...O hydrogen bonds and weak C-H...O inter­actions.

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