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Acta Cryst. (2012). E68, m290-m291  [ doi:10.1107/S1600536812004850 ]

(2,2'-Bipyridine-6,6'-dicarboxylato-[kappa]3N,N',O6)(6'-carboxy-2,2'-bipyridine-6-carboxylato-[kappa]3N,N',O6)rhodium(III)

H. Wang, X. Gu, B. Zhang, H. Su and M. Hu

Abstract: The RhIII ion in the title compound, [Rh(C12H6N2O4)(C12H7N2O4)], is coordinated by four N atoms and two O atoms from two chelating ligands L and HL (H2L = 2,2'-bipyridine-6,6'-dicarboxylic acid) to form a distorted octahedral geometry. Face-to-face [pi]-stacking interactions are observed between inversion-related pyridine rings, with a centroid-to-centroid distance of 3.581 (1) Å [the perpendicular distance between the rings is 3.3980 (7) Å]. Intermolecular O-H...O hydrogen bonds link adjacent molecules into one-dimensional supramolecular chains along the c axis, while several intermolecular C-H...O interactions are also observed.

Online 17 February 2012


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