O Si 
 1.0000000000000000
     6.9235610896087119    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.8227115804822622    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.9464388278522753
 O   Si 
  16   8
Selective dynamics
Cartesian
  3.8658895905359532  4.6302013033440552  4.0873182397847012   T   T   T
  6.5194520438771040  2.1925102771382075  0.6140988258585620   T   T   T
  3.0576714990727543  1.2188455131029252  6.3323400019937139   T   T   T
  0.4041090457316002  5.6038660673793403  2.8591205880675750   T   T   T
  1.2585080090874980  0.3660697134392333  4.7364032673876073   T   T   T
  2.2032725357168568  6.4566418670430279  1.2631838534614674   T   T   T
  5.6650530805212060  3.7774255036803650  5.6832549743908105   T   T   T
  4.7202885538918515  3.0452860768018977  2.2100355604646671   T   T   T
  4.6115132213296510  0.5628721712598082  1.3321353963480926   T   T   T
  5.7738284130834048  6.2598394092224554  4.8053548102742267   T   T   T
  2.3120478682790626  3.9742279615009375  2.1410840175780428   T   T   T
  1.1497326765252907  2.8484836189813230  5.6143034315041893   T   T   T
  0.4983231900222094  4.6555055704740740  0.4363718326615422   T   T   T
  2.9634573547821419  2.1672060100081914  3.9095912465876808   T   T   T
  6.4252378995864996  1.2441497802329438  3.0368475812645919   T   T   T
  3.9601037348265602  5.5785618002493162  6.5100669951907379   T   T   T
  6.9141788271103390  3.3810178124077210  6.5709071060809494   T   T   T
  3.4711628073027252  3.4416937680745399  3.0976876921548153   T   T   T
  0.0093822624983733  6.7923736026488539  3.8487511356974604   T   T   T
  3.4523982823059809  0.0303379778334114  0.3755317217713218   T   T   T
  1.3741883985493191  5.1709638999421781  1.6664212783548060   T   T   T
  2.0875921462550329  1.6517476805400741  5.1396406922809481   T   T   T
  5.5493726910593839  1.7596081097010572  1.8067981355713323   T   T   T
  4.8359689433536728  5.0631034707812113  5.2800175494974697   T   T   T