Table 4: Solid State of the Elictrical Conductivity for ligand (HBS) and its metal complexes(1-6)

CompoundTc (°K) (eV) at lower temp. (eV) at higher temp. −1cm−1) at 298 K −1cm−1) at higher temp (°K)

L (HBS)0.0116 339
Mn(II)378 K0.0621.945 404
Fe(III)369 K0.0980.540 530
Co(II)488 K0.00391.848 504
Ni(II)0.0109 475
Cu(II)0.0059 478
Zn(II)0.0042 472

Tc: transition temperature for the ligand and metal complexes; : activation energy in the lower temperature; : activation energy in the higher temperature; : electrical conductivity measured at lower temperature; : electrical conductivity measured at higher temperature.