Received 10 June 2011
The asymmetric unit of the title compound, [Li3(C6H5N2O2)2(NO3)(H2O)2]n contains three LiI ions, two ligand anions, two water molecules and a nitrate anion. Related by a centre of inversion, they form a centrosymmetric molecular cluster in which one of the LiI ions shows trigonal-bipyramidal and the other two distorted tetrahedral coordination. LiI ions are bridged by water O atoms and carboxylate O atoms donated by one of the ligands. The clusters, bridged by two nitrato O atoms, form molecular columns along , which are held together by O-HO and O-HN hydrogen bonds and - interactions [centroid-centroid distances = 3.694 (1) and 3.796 (1) Å].
For the structure of a lithium complex with 3-aminopyrazine-2-carboxylate and aqua ligands, see: Starosta & Leciejewicz (2010). The structures of two complexes with pyridazine carboxylate ligands have been also determined, see: Starosta & Leciejewicz (2011a,b). For the structure of a LiI complex with pyrimidine carboxylate and nitrate ligands, see: Starosta & Leciejewicz (2011c).
Data collection: CrysAlis PRO (Oxford Diffraction, 2010); cell refinement: CrysAlis PRO; data reduction: CrysAlis PRO; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: KP2334 ).
Thanks are due to Dr J. K. Maurin for collecting the diffraction data on the instrument at the Institute of Atomic Energy, Swierk.
Oxford Diffraction (2010). CrysAlis PRO. Oxford Diffraction Ltd, Yarnton, England.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
Starosta, W. & Leciejewicz, J. (2010). Acta Cryst. E66, m744-m745.
Starosta, W. & Leciejewicz, J. (2011a). Acta Cryst. E67, m202.
Starosta, W. & Leciejewicz, J. (2011b). Acta Cryst. E67, m425-m426.
Starosta, W. & Leciejewicz, J. (2011c). Acta Cryst. E67, m818.