Synthesis and crystal structure of lithium ethylenediaminetetraacetatobismuthate(III) tetrahydrate

The LiBi(Edta) . 4H(2)O complex was synthesized for the first time, and its crystal structure was determined. The structure consists of Li(H2O)(2)(+) aqua cations, [Bi(Edta)](-) complex anions, and crystal water molecules. Th e coordination number of the Bi atom in the complex is equal to 7. The Li(H 2O)(2)(+) cations and neighboring [Bi(Edta)](-) complex anions are united i nto zigzag polymeric chains through the carbonyl oxygen atoms (O(2) and O(8 )'). The polymeric chains form infinite layers, with crystal water molecule s between them, through bridging bonds with the O(6)' carbonyl oxygen atoms of neighboring chains.