O Si 
 1.0000000000000000
     4.9695061100347777   -0.0000000000000000    0.0399836322719407
     0.0000000000000000    8.2093805519917833    0.0000000000000000
    -2.4102253729878433    0.0000000000000000    4.4247908650070213
 O   Si 
   8   4
Selective dynamics
Cartesian
  2.4734877914873707  2.0477363419205261  1.3819105829334373   T   T   T
  0.0857929455595564  6.1524266179164133  3.0828639143455261   T   T   T
  3.3439843343952886  7.9013784942334020  2.1675067595687132   T   T   T
 -0.7847035973483570  3.7966882182375175  2.2972677377102495   T   T   T
  1.6087162432232487  8.0843307856022655  0.2021514394385058   T   T   T
  0.9505644938236808  3.9796405096063685  4.2626230578404556   T   T   T
  0.8548474966924289  0.4042247810964303  2.6555570414393275   T   T   T
  1.7044332403545004  4.5089150570923220  1.8092174558396343   T   T   T
  2.0738472258027123  0.5092941591677060  1.6089305542248589   T   T   T
  0.4854335112442181  4.6139844351635961  2.8558439430541029   T   T   T
  2.9391954829153524  3.5869640740950213  1.3381578539468557   T   T   T
 -0.3799147458684248  7.6916543500909071  3.1266166433321065   T   T   T