Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 7 (July 2013)


metal-organic compounds



lh5617 scheme

Acta Cryst. (2013). E69, m366-m367    [ doi:10.1107/S1600536813014736 ]

Poly[[pentaaquabis([mu]3-hydrogen squarato)barium] monohydrate]

C. Trifa, A. Bouhali, S. Bouacida, C. Boudaren and H. Merazig

Abstract: The crystal structure of the title compound, {[Ba(C4HO4)2(H2O)5]·H2O}n, consists of discrete double chains propagating along [010]. The chains are formed by BaII ions linked by bridging hydrogen squarate ligands in a trans-bis-monodentate mode. In addition, the bridging hydrogen squarate ligands connect the chains into a ladder structure via a third coordinating O atom. The remaining coordination sites are occupied by five aqua ligands and a second mondendate hydrogen squarate ligand, forming a slightly distorted tricapped trigonal-prismatic geometry. O-H...O hydrogen bonds link the chains and solvent water molecules into a three-dimensional network.


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