O Si 
 1.0000000000000000
     5.2393185937755069   -0.0000000000000000   -0.0000000000000000
    -2.6196592968877535    4.5373830007297498    0.0000000000000000
     0.0000000000000000   -0.0000000000000000    8.5503277894267509
 O   Si 
   8   4
Selective dynamics
Cartesian
 -0.0000000261965933  3.0249220156111098  2.1375819473566877   T   T   T
  2.6196592706911606  1.5124610153678597  6.4127458420700636   T   T   T
  2.6196592706911601  0.0000000151246101 -0.0000000000000000   T   T   T
 -1.3098296746404701  2.2686915154894844  0.0000000000000000   T   T   T
  1.3098296222472838  2.2686915154894844 -0.0000000000000000   T   T   T
  2.6196592706911601  0.0000000151246101  4.2751638947133754   T   T   T
 -1.3098296746404701  2.2686915154894844  4.2751638947133754   T   T   T
  1.3098296222472838  2.2686915154894844  4.2751638947133754   T   T   T
 -0.0000000261965933  3.0249220156111098  3.7415762767865544   T   T   T
  2.6196592706911606  1.5124610153678595  8.0167401714999311   T   T   T
  2.6196592706911606  1.5124610153678597  4.8087515126401961   T   T   T
 -0.0000000261965936  3.0249220156111103  0.5335876179268211   T   T   T