O Si 
 1.0000000000000000
     7.8488971396477698    0.0000000000000000    0.0000000000000000
     0.0000000000000000    9.0365953669491841    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.8825763165389002
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.0201754891347656 -0.0000000000000000 -0.0000000000000000   T   T   T
  5.8287216505129988  0.0000000000000000  2.4412881582694501   T   T   T
  5.9446240589586532  4.5182976834745912 -0.0000000000000000   T   T   T
  1.9042730806891184  4.5182976834745912  2.4412881582694501   T   T   T
 -0.0000000000000000  7.9601789324037044  1.2206440791347251   T   T   T
  0.0000000000000000  1.0764164345454865  3.6619322374041730   T   T   T
  3.9244485698238853  3.4418812489291093  1.2206440791347251   T   T   T
  3.9244485698238853  5.5947141180200823  3.6619322374041730   T   T   T
  5.4515722114119649  1.9903834542213152  4.3239973130975855   T   T   T
  2.3973249282357987  7.0462119127278759  1.8827091548281376   T   T   T
  2.3973249282357987  1.9903834542213152  2.9998671617107591   T   T   T
  5.4515722114119649  7.0462119127278759  0.5585790034413115   T   T   T
  1.5271236415880851  6.5086811376959188  4.3239973130975855   T   T   T
  6.3217734980596845  2.5279142292532830  1.8827091548281376   T   T   T
  6.3217734980596845  6.5086811376959188  2.9998671617107591   T   T   T
  1.5271236415880851  2.5279142292532830  0.5585790034413115   T   T   T
  6.3507108295257861  1.4174204149395253  3.0839277583329565   T   T   T
  1.4981863101219803  7.6191749520096650  0.6426396000635068   T   T   T
  1.4981863101219803  1.4174204149395253  4.2399367164753956   T   T   T
  6.3507108295257861  7.6191749520096650  1.7986485582059442   T   T   T
  2.4262622597019066  5.9357180984141165  3.0839277583329565   T   T   T
  5.4226348799458650  3.1008772685350676  0.6426396000635068   T   T   T
  5.4226348799458650  5.9357180984141165  4.2399367164753956   T   T   T
  2.4262622597019066  3.1008772685350676  1.7986485582059442   T   T   T