Using X-ray powder diffraction technique, diffraction pattern of compound of 2,2-diphenyl[1,3,2]dithiagermole-4,5-dicarbonitrile was recorded. Profiting pattern, the crystal lattice and crystallographic parameters of the title compound were determined using analytic method and ITO computer program. According to the analytical method, the crystal system is monoclinic and unit cell parameters are; a=15.7202 angstrom, b=14.0053 angstrom, c=15.2543 angstrom, beta=105.265 degrees. Using ITO program, the type of crystal lattice was found as monoclinic and parameters of unit cell are a=15.7630 angstrom, b=14.0094 angstrom, c=15.3186 angstrom, beta=105.451 degrees. The results of the program are in agreement with those of analytical method.