O Si 
 1.0000000000000000
     4.8239999999999998    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.8239999999999998    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.8239999999999998
 O   Si 
   8   4
Cartesian
  1.6366846456799997  1.6366846456799997  1.6366846456799997
  0.7753153543200005  3.1873153543199999  4.0486846456799999
  3.1873153543199999  4.0486846456799999  0.7753153543200005
  4.0486846456799999  0.7753153543200005  3.1873153543199999
  3.1873153543199999  3.1873153543199999  3.1873153543199999
  4.0486846456799999  1.6366846456799997  0.7753153543200005
  1.6366846456799997  0.7753153543200005  4.0486846456799999
  0.7753153543200005  4.0486846456799999  1.6366846456799997
  0.0000000000000002  0.0000000000000002  0.0000000000000002
  2.4119999999999999  0.0000000000000002  2.4119999999999999
  0.0000000000000002  2.4119999999999999  2.4119999999999999
  2.4119999999999999  2.4119999999999999  0.0000000000000002