2 S 
Si
  1   1    0.000000000000000    0.000000000000000    0.000000000000000
  2   1    1.357500106655183    1.357500106655183    1.357500106655183
0.0 0.0 0.0
   0.000000000000000    2.715000213310365    2.715000213310365
   2.715000213310365    0.000000000000000    2.715000213310365
   2.715000213310365    2.715000213310365    0.000000000000000
