Acta Cryst. (2009). E65, m761-m762  [ doi:10.1107/S1600536809021588 ]

(2,9-Dimethyl-1,10-phenanthroline)(4-hydroxypyridine-2,6-dicarboxylato)copper(II) trihydrate

J. Soleimannejad, H. Aghabozorg, F. Manteghi and S. Najafi

Abstract: In the title complex, [Cu(C₇H₃NO₅)(C₁₄H₁₂N₂)]·3H₂O, there are two independent neutral molecules of the Cu complex along with six molecules of water of hydration in the asymmetric unit. The Cu^II atoms in each complex adopt a distorted square-pyramidal coordination geometry being pentacoordinated by one N and two O atoms of 4-hydroxypyridine-2,6-dicarboxylate anions and two N atoms of 2,9-dimethyl-1,10-phenanthroline (dmp) molecules. In the crystal structure, there are O-HO and C-HO hydrogen bonds and five - stacking interactions with centroid-centroid distances in the range 3.620 (1)-3.712 (1) Å. In addition, a C-H interaction between a heterocyclic ring of dmp is observed to reinforce the crystal cohesion.

Online 13 June 2009

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