The title complex was synthesized by perchloric acid, 1.10-phenanthroline (phen) and cupric carbonate monohydrate in the mixture of alcohol-water. It crystallized in monoclinic space group C2/c with a = 3.62956 nm, b = 1.58215 nm, c = 1.22370 nm;β= 101.936°, V = 6.87517 (6) nm3, Dc = 1.507 g/cm3, Z = 4, F(000) = 2720.0. R1 = 0.0452, wR2 = 0.0676. The crystal structure showed that the copper atom was coordinated with six nitrogen atoms from the three phens, forming distorted octahedral geometry coordination. The cyclic voltammetric behavior of the complex was...