O Si 
 1.0000000000000000
     5.2799974410105683    0.0000000000000000    0.0000000000000000
    -2.6399987205052842    4.5726119158319829   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    8.5213667964119519
 O   Si 
   8   4
Selective dynamics
Cartesian
 -0.0000000263999884  3.0484079591300257  2.1303416991029880   T   T   T
  2.6399986941052975  1.5242039871860336  6.3910250973089653   T   T   T
  2.6399986941052971  0.0000000152420398  0.0000000000000000   T   T   T
 -1.3199993866526301  2.2863059731580306 -0.0000000000000000   T   T   T
  1.3199993338526537  2.2863059731580306 -0.0000000000000000   T   T   T
  2.6399986941052971  0.0000000152420398  4.2606833982059760   T   T   T
 -1.3199993866526301  2.2863059731580306  4.2606833982059760   T   T   T
  1.3199993338526537  2.2863059731580306  4.2606833982059760   T   T   T
 -0.0000000263999884  3.0484079591300257  3.7384985979039009   T   T   T
  2.6399986941052975  1.5242039871860333  7.9991819961098782   T   T   T
  2.6399986941052975  1.5242039871860336  4.7828681985080532   T   T   T
 -0.0000000263999887  3.0484079591300262  0.5221848003020761   T   T   T