Syntheses, spectroscopic and thermal analyses of cyanide bridged heteronuclear polymeric complexes: [M(L)2Ni(CN)4]n (LN-methylethylenediamine or N-ethylethylenediamine; MNi(II), Cu(II), Zn(II) or Cd(II))
Keywords: Cyanide-bridged complexes; Vibrational spectra; DFT-B3LYP; N-methylethylenediamine; N-ethylethylenediamine; Thermal analysis