O Si 
 1.0000000000000000
     5.3632999999999997    0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.3632999999999997    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.3632999999999997
 O   Si 
   8   4
Cartesian
  1.3408249999999999  1.3408249999999997  1.3408249999999997
  4.0224750000000000  4.0224750000000000  1.3408249999999997
  4.0224750000000000  1.3408249999999997  4.0224750000000000
  1.3408249999999999  4.0224750000000000  4.0224750000000000
  1.3408249999999999  1.3408249999999995  4.0224750000000000
  4.0224750000000000  4.0224749999999991  4.0224750000000000
  1.3408249999999999  4.0224749999999991  1.3408249999999997
  4.0224750000000000  1.3408249999999995  1.3408249999999997
  0.0000000000000000 -0.0000000000000004 -0.0000000000000004
  0.0000000000000000  2.6816499999999994  2.6816499999999994
  2.6816499999999999 -0.0000000000000004  2.6816499999999994
  2.6816499999999999  2.6816499999999994 -0.0000000000000004