Mercury(II) cyanide complexes with 4,4'-Bipyridine and 4,4'-(Propane-1,3-diyl)-bispyridine

Abstract

1:1 Coordination complexes formed by mercury(11) cyanide with 4,4'-bipyridine and 4,4'-(propane-1,3-diyl)bispyridine have been prepared and characterized by molar conductance, molecular weight and infrared spectral measurements down to 200 cm^-1 in the solid state. The 4,4'-bipyridine complex is shown to have a polymeric chain structure with a tetrahedral environment of two nitrogen atoms of bridging 4,4'-bipyridine and two carbon atoms of the terminally bonded cyano groups about the mercury atoms. The 4,4'-(propane-1,3-diyl)bispyridine complex is suggested to have a monomeric three-coordinate structure with only terminally bonded 4,4'-(propane-1,3-diyl)bispyridine and cyano groups.