O Si 
 1.0000000000000000
     8.5643918836087156   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    8.5643918836087192   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    5.5335647002800181
 O   Si 
  16   8
Selective dynamics
Cartesian
 -0.0000000000000000  4.2821959418043605 -0.0000000000000000   T   T   T
  4.2821959418043569 -0.0000000000000000  2.7667823501400095   T   T   T
  0.0000000000000000  4.2821959418043605  2.7667823501400091   T   T   T
  4.2821959418043569 -0.0000000000000000  0.0000000000000000   T   T   T
  2.1429797033994604  2.1429797033994626 -0.0000000000000000   T   T   T
  6.4214121802092619  6.4214121802092645 -0.0000000000000000   T   T   T
  6.4214121802092619  2.1429797033994626  2.7667823501400095   T   T   T
  2.1429797033994604  6.4214121802092645  2.7667823501400091   T   T   T
  2.1530445183288034 -0.0000000000000000  1.3833911750700048   T   T   T
  6.4113473652799131 -0.0000000000000000  1.3833911750700048   T   T   T
  0.0000000000000000  2.1530445183288065  4.1501735252100120   T   T   T
  0.0000000000000000  6.4113473652799176  4.1501735252100120   T   T   T
  6.4113473652799131 -0.0000000000000000  4.1501735252100120   T   T   T
  2.1530445183288034 -0.0000000000000000  4.1501735252100120   T   T   T
  0.0000000000000000  6.4113473652799176  1.3833911750700045   T   T   T
  0.0000000000000000  2.1530445183288065  1.3833911750700045   T   T   T
  0.5782872015646074  2.7015142581759970 -0.0000000000000000   T   T   T
  7.9861046820441066  5.8628776254327271 -0.0000000000000000   T   T   T
  5.8628776254327226  0.5782872015646082  2.7667823501400095   T   T   T
  2.7015142581759970  7.9861046820441137  2.7667823501400091   T   T   T
  7.9861046820441066  2.7015142581759970  2.7667823501400095   T   T   T
  0.5782872015646074  5.8628776254327271  2.7667823501400091   T   T   T
  2.7015142581759970  0.5782872015646082 -0.0000000000000000   T   T   T
  5.8628776254327226  7.9861046820441137 -0.0000000000000000   T   T   T