The crystal structure of the complex of diphenyl pyraline hydrochloride with cobalt chloride, C38H46O2N2Cl4Co has been determined by X-ray diffraction using CuK alpha radiation The compound crystallizes in monoclinic space group P2(1)/n with the cell parameters a = 18.120(4)Angstrom, b = 8.179(3)Angstrom, c = 26.805(3)Angstrom, beta = 102.60(1)degrees with Z = 4, V = 3876(1)Angstrom(3). The structure was solved using 5484 reflections. The stucture was refined to a final wR of 0.2944 (R = 0.1130). The packing of the molecules shows a layered arrangement.