Crystal structures of tetramethylammonium (2,2′-bipyridine)tetracyanidoferrate(III) trihydrate and poly[[(2,2′-bipyridine-κ²N,N′)di-μ₂-cyanido-dicyanido(μ-ethylenediamine)(ethylenediamine-κ²N,N′)cadmium(II)iron(II)] monohydrate]

Abstract

The cyanide complex [N(CH3)4][Fe(2,2′-bipy)(CN)4]·3H2O (2,2′-bipy is 2,2′-bi­pyridine) was synthesized as a building block for the construction of a new two-dimensional cyanide-bridged Fe–Cd bimetallic coordination polymer, [Fe(2,2′-bipy)(CN4)Cd(en)2]·H2O, in which ethyl­enedi­amine (en) adopts both bridging and chelating coordination modes.