Acta Crystallographica Section C

Crystal Structure Communications

Volume 58, Part 4 (April 2002)

metal-organic compounds

 

A lithium complex of pyridine-2,6-dicarboxylic acid

M. Odoko, A. Kusano, N. Oya and N. Okabe

Abstract: The crystal structure of catena-poly[[(6-carboxypyridine-2-carboxylato-³O,N,O')lithium(I)]--aqua-²O:O], [Li(C₇H₄NO₄)(H₂O)]_n, contains the Li⁺ ion coordinated to two O atoms and the N atom of the 6-carboxypyridine-2-carboxylate ligand, and to two water O atoms, forming a pentavalent coordination geometry. The molecule resides on a mirror plane which contains the Li and N atoms, the para-CH unit, and the O atom of the coordinated water molecule. The O atom of the water molecule is coordinated to two Li atoms, forming an infinite polymeric chain.

Formula: [Li(C₇H₄NO₄)(H₂O)]

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