Si
 1.0000000000000000
    -3.3100255701600600    3.3100255701600600    1.9430361182571101
     3.3100255701600600   -3.3100255701600600    1.9430361182571101
     3.3100255701600600    3.3100255701600600   -1.9430361182571101
 Si 
   4
Cartesian
  1.1974052791265959  1.1974052791265952 -0.0000000000000001
  2.1126202910334642  2.1126202910334659  1.9430361182571103
  2.1126202910334646 -2.1126202910334646  1.9430361182571101
 -2.1126202910334650  2.1126202910334650  1.9430361182571103