O Si 
 1.0000000000000000
     7.1952954172034058    0.0000000000000000    0.3289398109845161
     0.0000000000000000    7.9860400136758738    0.0000000000000000
     3.3615303058723160    0.0000000000000000    6.3026287348400825
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.5666281793929323  0.0000000000000000   T   T   T
  3.5976477086017034  4.5596481862308664  0.1644699054922581   T   T   T
  1.6807651529361560  6.1974117940303266  3.1513143674200430   T   T   T
  5.2784128615378680  2.2043917871924013  3.3157842729123037   T   T   T
  3.3912850356389095  0.6925725959573642  3.6721903358261385   T   T   T
  7.1655406874368133  0.6925725959573642  2.9593782099984627   T   T   T
  6.9889327442406168  4.6855926027953032  3.8366602413183948   T   T   T
  3.5678929788351099  4.6855926027953041  2.7949083045062055   T   T   T
  4.9206368726514951  0.3762888653124040  1.5820463426779647   T   T   T
  5.6361888504242241  0.3762888653124040  5.0495222031466307   T   T   T
  1.3229891640497957  4.3693088721503370  1.4175764371857067   T   T   T
  9.2338365590259279  4.3693088721503379  5.2139921086388918   T   T   T
  7.4550548253674487  2.3976580996758967  5.0048482705282158   T   T   T
  3.1017708977082776  2.3976580996758967  1.6267202752963863   T   T   T
  3.8574071167657396  6.3906781065138354  4.8403783650359546   T   T   T
  6.6994186063099850  6.3906781065138363  1.7911901807886448   T   T   T
  6.4957185071062753  7.9793778900211780  1.6615604146666023   T   T   T
  4.0611072159694421  7.9793778900211780  4.9700081311579982   T   T   T
  2.8980707985045653  3.9863578831832447  1.4970905091743441   T   T   T
  7.6587549245711477  3.9863578831832465  5.1344780366502523   T   T   T
  6.4483923140817341  1.4646024133534885  4.1756615420293608   T   T   T
  4.1084334089939842  1.4646024133534890  2.4559070037952369   T   T   T
  2.8507446054800334  5.4576224201914219  4.0111916365371068   T   T   T
  7.7060811175956916  5.4576224201914219  2.6203769092874940   T   T   T