Impedance spectroscopic investigation on phase transition and electrical conduction mechanism of the new inorganic-organic complex: (C6H9N2)2HgCl4 (I), (C6H9N2)2(Hg0.75Cd0.25)Cl4 (II) and (C6H9N2)2(Hg0.12Zn0.88)Cl4 (III)

Complex impedance spectra as a function of temperature with electrical equivalent circuit of the (I), (II) and (III) compounds.145