O Si 
 1.0000000000000000
     4.8959759898777815    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.8959759898777815   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.8959759898777815
 O   Si 
   8   4
Selective dynamics
Cartesian
  1.2239939974694454  1.2239939974694454  1.2239939974694454   T   T   T
  3.6719819924083348  3.6719819924083348  1.2239939974694454   T   T   T
  3.6719819924083348  1.2239939974694454  3.6719819924083348   T   T   T
  1.2239939974694454  3.6719819924083348  3.6719819924083348   T   T   T
  1.2239939974694454  1.2239939974694454  3.6719819924083348   T   T   T
  3.6719819924083348  3.6719819924083348  3.6719819924083348   T   T   T
  1.2239939974694454  3.6719819924083348  1.2239939974694454   T   T   T
  3.6719819924083348  1.2239939974694454  1.2239939974694454   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  2.4479879949388907  2.4479879949388907   T   T   T
  2.4479879949388907 -0.0000000000000000  2.4479879949388907   T   T   T
  2.4479879949388907  2.4479879949388907 -0.0000000000000000   T   T   T