metal-organic compounds
The crystal structure of the title compound, [Cu(C5H5N)2{Cu(CN)4}]n, comprises [Cu(py)2]2+ (py is pyridine) and [Cu(CN)4]2− subunits which are connected through bridging cyano groups to form a three-dimensional network, with Cu atoms located on sites of symmetry 2/m and 222 for the cation and anion, respectively.