Received 12 December 2011
In the title compound, [RuCl(C15H11N3)(C12H8N2O4)]ClO4·C2H5OH·H2O, the geometry of the ClN5 coordination set around the RuII atom is close to octahedral, but distorted on account of the limited bite angles of the polypyridyl ligands. The complexes are linked by O-HO hydrogen bonds between the carboxyl groups and the crystal lattice water molecules into chains along . Face-to-face stacking interactions are formed between terpyridine ligands, with interplanar separations of 3.66 (1) and 3.42 (1) Å, and between bipyridine-4,4'-dicarboxylic acid ligands, with interplanar separations of 3.65 (1) and 3.72 (1) Å. Three O atoms of the perchlorate ion are each disordered equally over two positions. The hydroxy group of the ethanol molecule is also disordered over two sites with refined occupancies of 0.794 (9) and 0.206 (9).
For background literature concerning RuII complexes containing polypyridyl ligands, see: Kalyanasundaram (1982); Juris et al. (1988); Concepcion et al. (2008). For some other RuII complexes containing the 2,2'-bipyridine-4,4'-dicarboxylic acid-N,N' ligand, see: Caspar et al. (2004); Eskelinen et al. (2000); Fujihara et al. (2004); Pearson et al. (2008); Philippopoulos et al. (2007). Synthesis details for the precursor RuCl3(terpy) are given in Takeuchi et al. (1984).
Data collection: APEX2 (Bruker-Nonius, 2004); cell refinement: SAINT (Bruker, 2003); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: IS5031 ).
We are grateful to the Danish Natural Sciences Research Council and the Carlsberg Foundation for provision of the X-ray equipment.
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