C Si 1.0000000000000000 1.5414936090329900 -2.6699452503878498 0.0000000000000000 1.5414936090329900 2.6699452503878498 0.0000000000000000 0.0000000000000000 0.0000000000000000 5.0344970446865700 C Si 2 2 Cartesian 1.5414936090329916 0.8899817501293016 2.5197642983323849 1.5414936090329920 -0.8899817501293011 0.0025157759890994 1.5414936090329916 0.8899817501293016 4.4077006901333977 1.5414936090329920 -0.8899817501293011 1.8904521677901114