O Si 
 1.0000000000000000
     8.8012248172400724   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    8.8012248172400707    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    8.8012248172400724
 O   Si 
  24  12
Selective dynamics
Cartesian
  1.2578517817253672  1.2578517817253676  4.7524784518747216   T   T   T
  7.5433730355147057  7.5433730355147093  4.7524784518747216   T   T   T
  7.5433730355147057  1.2578517817253676  4.0487463653653535   T   T   T
  1.2578517817253672  7.5433730355147093  4.0487463653653535   T   T   T
  4.7524784518747190  1.2578517817253676  1.2578517817253698   T   T   T
  4.7524784518747190  7.5433730355147093  7.5433730355147075   T   T   T
  4.0487463653653508  7.5433730355147093  1.2578517817253700   T   T   T
  4.0487463653653508  1.2578517817253676  7.5433730355147075   T   T   T
  1.2578517817253672  4.7524784518747207  1.2578517817253698   T   T   T
  7.5433730355147057  4.7524784518747207  7.5433730355147066   T   T   T
  1.2578517817253672  4.0487463653653553  7.5433730355147066   T   T   T
  7.5433730355147057  4.0487463653653553  1.2578517817253698   T   T   T
  5.6584641903454020  5.6584641903454047  0.3518660432546841   T   T   T
  3.1427606268946677  3.1427606268946686  0.3518660432546837   T   T   T
  3.1427606268946673  5.6584641903454047  8.4493587739853879   T   T   T
  5.6584641903454020  3.1427606268946686  8.4493587739853879   T   T   T
  0.3518660432546815  5.6584641903454047  5.6584641903454047   T   T   T
  0.3518660432546815  3.1427606268946686  3.1427606268946700   T   T   T
  8.4493587739853862  3.1427606268946686  5.6584641903454047   T   T   T
  8.4493587739853862  5.6584641903454047  3.1427606268946700   T   T   T
  5.6584641903454020  0.3518660432546816  5.6584641903454047   T   T   T
  3.1427606268946673  0.3518660432546815  3.1427606268946700   T   T   T
  5.6584641903454029  8.4493587739853897  3.1427606268946700   T   T   T
  3.1427606268946677  8.4493587739853897  5.6584641903454047   T   T   T
  2.2003062043100177  4.4006124086200362  0.0000000000000026   T   T   T
  6.6009186129300534  4.4006124086200362  0.0000000000000026   T   T   T
 -0.0000000000000000  2.2003062043100181  4.4006124086200380   T   T   T
  0.0000000000000000  6.6009186129300570  4.4006124086200380   T   T   T
  4.4006124086200353  0.0000000000000000  2.2003062043100203   T   T   T
  4.4006124086200353 -0.0000000000000002  6.6009186129300561   T   T   T
  4.4006124086200353  2.2003062043100181  0.0000000000000026   T   T   T
  4.4006124086200353  6.6009186129300570  0.0000000000000026   T   T   T
  2.2003062043100177 -0.0000000000000002  4.4006124086200380   T   T   T
  6.6009186129300534  0.0000000000000000  4.4006124086200380   T   T   T
  0.0000000000000000  4.4006124086200362  2.2003062043100203   T   T   T
  0.0000000000000000  4.4006124086200362  6.6009186129300561   T   T   T