Bis[dichlorido(5,5′-dimethyl-2,2′-bi­pyridine-κ2 N,N′)gold(III)] tetra­chlorido­aurate(III) dichloridooaurate(I)

Abstract

The title compound, [AuIIICl2(C12H12N2)]2[AuIIICl4][AuICl2], contains three distinct types of Au atom. In the cation, the AuIII atom is four-coordinated in a distorted square-planar arrangement by an N,N′-bidentate 5,5′-dimethyl-2,2′-bipyridine ligand and two terminal Cl atoms. In the [AuCl4]− anion, the centrosymmetric AuIII atom has a square-planar coordination. The centrosymmetric [AuCl2]− anion is linear. Intra- and inter­molecular C—H⋯Cl hydrogen bonds help to establish the conformation and packing