%nprocshared=1 %mem=20MW #p hf/3-21g* geom=connectivity scf=tight sp test Title Card Required 0 1 Si -1.24731253 -1.82276607 0.71800281 Si -1.83319874 -0.21688206 2.50656269 Si -2.21022660 0.31742144 0.12030346 1 2 1.0 3 1.0 2 3 1.0 3