O Si 
 1.0000000000000000
     4.8530790291279251    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.6438566348077099    0.0000000000000000
     0.0000000000000000    0.0000000000000000    8.2291673475822389
 O   Si 
  16   8
Selective dynamics
Cartesian
  3.3392462725123262  0.0000000000000000  0.0000000000000000   T   T   T
  1.5138327566156040  0.0000000000000000  4.1145836737911159   T   T   T
  0.9127067579483600  4.3219283174038550  0.0000000000000000   T   T   T
  3.9403722711795686  4.3219283174038550  4.1145836737911159   T   T   T
  0.0000000000000004  5.5989934317975170  2.0572918368955579   T   T   T
  0.0000000000000004  3.0448632030101983  6.1718755106866832   T   T   T
  2.4265395145639634  1.2770651143936584  2.0572918368955579   T   T   T
  2.4265395145639634  7.3667915204140506  6.1718755106866832   T   T   T
  3.3757991680620210  1.7995018392032773  4.4278834547797254   T   T   T
  1.4772798610659075  6.8443547956044357  0.3132997809886107   T   T   T
  1.4772798610659075  1.7995018392032773  7.9158675665936320   T   T   T
  3.3757991680620210  6.8443547956044357  3.8012838928025112   T   T   T
  0.9492596534980583  6.1214301566071292  4.4278834547797254   T   T   T
  3.9038193756298707  2.5224264782005759  0.3132997809886107   T   T   T
  3.9038193756298707  6.1214301566071292  7.9158675665936320   T   T   T
  0.9492596534980583  2.5224264782005759  3.8012838928025112   T   T   T
  2.0699282781397299  1.4021085244376141  3.6009357802373270   T   T   T
  2.7831507509881992  7.2417481103700947  7.7155194540284517   T   T   T
  2.7831507509881992  1.4021085244376141  0.5136478935537864   T   T   T
  2.0699282781397299  7.2417481103700947  4.6282315673449075   T   T   T
  4.4964677927036965  5.7240368418414631  3.6009357802373270   T   T   T
  0.3566112364242338  2.9198197929662424  7.7155194540284517   T   T   T
  0.3566112364242340  5.7240368418414631  0.5136478935537864   T   T   T
  4.4964677927036965  2.9198197929662424  4.6282315673449075   T   T   T