Si 1.0000000000000000 2.6795738755660943 -0.0000000000000000 -0.0000000000000000 -1.3397869377830471 2.3205790475573602 -0.0000000000000000 -0.0000000000000000 0.0000000000000000 2.6795738756369478 Si 1 Selective dynamics Cartesian 0.0000000000000000 0.0000000000000000 0.0000000000000000 T T T