International Journal of Inorganic Chemistry

Research Article

Characteristic Studies of Hexamethylene Diamine Complexes

Table 4

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


Compound	Tc (°K)	(eV) at lower temp.	(eV) at higher temp.	(Ω⁻¹cm⁻¹) at 298 K	(Ω⁻¹cm⁻¹) at higher temp (°K)

L (HBS)	—	—	0.0116			339
Mn(II)	378 K	0.062	1.945			404
Fe(III)	369 K	0.098	0.540			530
Co(II)	488 K	0.0039	1.848			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.