We report measurements of X-ray powder diffraction, vibrational study, the differential scanning calorimetry (DSC), and the electric properties of a made-up [C 6 H 9 N 2 ] 2 CuCl 4 sample. The alternative current (ac) conductivity of the compound [C 6 H 9 N 2 ] 2 CuCl 4 has been measured in the temperature range 356-398 K and the frequency range 209 Hz-5 MHz. The ColeCole (the imaginer part (Z ) versus real part (Z ) of impedance complex) plots are well fitted to an equivalent circuit model which consists of a parallel combination of a bulk resistance (R) and constant phase elements (CPE). The single semicircle indicates only one primary mechanism for the electrical conduction within [C 6 H 9 N 2 ] 2 CuCl 4 . The variation of the value of these elements with temperatures confirmed the result detected by DSC and dielectric measurements. Thus the conduction in the material is probably due to a hopping or a small polaron tunneling process.
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