Acta Cryst. (2004). E60, m1172-m1174  [ doi:10.1107/S1600536804017507 ]

cis-Bis(2,2'-bipyridine-4,4'-dicarboxylic acid-²N,N')dichlororuthenium(II) monohydrate

T. Fujihara, A. Kobayashi, M. Iwai and A. Nagasawa

Abstract: The crystal structure of the title compound, [RuCl₂(C₁₂H₈N₂O₄)₂]·H₂O, which is a precursor of the dye for dye-sensitized solar cells, is composed of a ruthenium(II) complex molecule containing 2,2'-bipyridine-4,4'-dicarboxylic acid (H₂dcbpy) as a ligand and an uncoordinated water molecule. The overlapped arrangement and the separation of 3.34  (7)  Å suggest - stacking between parallel H₂dcbpy ligands in neighboring complex molecules. A three-dimensional network is formed by intermolecular O-HO and O-HCl hydrogen bonds and - stacking between neighboring complex molecules.

Online 24 July 2004

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