Bis(4,4′-bipyridinium) di-μ-bromo-bis­[tetra­bromo­bismuthate(III)].

The crystal structure of the title complex, (C10H10N2)2[BiBr10] or (bipyH2)2[Bi2Br10], where bipyH2 is 4,4′-bipyridinium, is built of bipyH2 dications and deca­bromo­dibismuthate tetra­anions; the latter occupy special positions at inversion centres. The Bi atom in the anion has a distorted octa­hedral environment. N—H⋯Br hydrogen bonds link the ions into infinite chains running along the [1 ] direction. [ABSTRACT FROM AUTHOR]