Syntheses, IR spectra, thermal properties and crystal structures of novel cyano-bridged polymeric complexes of zincII and cadmiumII with tetracyanoplatinateII

Two novel one-dimensional polymeric cyano-bridged platinum(II) complexes of N-(2-hydroxyethyl)-ethylenediamine (hydeten), [MII(hydeten)Pt(CN)2(μ-CN)2]n (MII = ZnII (1) and CdII (2)), were synthesized and characterized by physico-chemical methods (elemental analysis, IR spectroscopy and thermoanalytical measurements) and X-ray diffraction. Thermal behaviours of 1 and 2 were followed using TG and DTA (DSC) techniques. The 1D chain structures of 1 and 2 were verified by X-ray diffraction studies. According to the positions of the bridging cyano groups, in complex 1 the polymeric chains are built up via the 2,2-CT type, while in complex 2 the polymeric chains are built up via the 2,2-TT type.

Using Zn(hydeten)22+ or Cd(hydeten)22+ as bricks and [Pt(CN)4]2− anion as mortar, the novel binuclear one dimensional polymeric complexes 1 and 2 were prepared, and their structures were determined.Figure optionsDownload as PowerPoint slide