Acta Cryst. (2009). E65, m826-m827  [ doi:10.1107/S1600536809021837 ]

Hydroxonium creatininium bis(pyridine-2,6-dicarboxylato-³O²,N,O⁶)cobaltate(II) trihydrate

H. Aghabozorg, Z. Derikvand, J. Attar Gharamaleki and M. Yousefi

Abstract: The title compound, (C₄H₈N₃O)(H₃O)[Co(C₇H₃NO₄)₂]·3H₂O, contains a protonated creatininium cation, a hydroxonium (H₃O)⁺ cation, a [Co(pydc)₂]^2- (pydcH₂ = pyridine-2,6-dicarboxylic acid) complex anion, and three uncoordinated water molecules. The Co^II atom is coordinated by four O and two N atoms from two pydc ligands in a distorted octahedral environment. The structure also contains three uncoordinated water molecules. Extensive intermolecular O-HO, N-HO and C-HO hydrogen bonds, - stacking interactions [centroid-centroid distances = 3.565 (14) and 3.425 (14) Å] and O interactions [Ocentroid distance = 3.480 (2) Å] connect the various components in the crystal structure.

Online 27 June 2009

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