O Si 
 1.0000000000000000
     5.0477667779032780    0.0000000000000000    0.0000000000000000
    -2.5238833889516390    4.3714942620433614    0.0000000000000000
     0.0000000000000000   -0.0000000000000000    5.4327364218353296
 O   Si 
   6   3
Selective dynamics
Cartesian
 -0.0000000000000005  1.8247801464194056 -0.0000000000000000   T   T   T
  0.9435774258309467  3.4591041888336602  3.6218242812235535   T   T   T
 -0.9435774258309487  3.4591041888336602  1.8109121406117767   T   T   T
  2.5238833889516381  2.5467141156239590 -0.0000000000000000   T   T   T
  1.5803059631206902  0.9123900732097029  3.6218242812235535   T   T   T
  3.4674608147825863  0.9123900732097029  1.8109121406117767   T   T   T
  2.5238833889516390  0.0000000000000002  2.7163682109176652   T   T   T
 -1.2619416944758199  2.1857471310216821  0.9054560703058876   T   T   T
  1.2619416944758191  2.1857471310216821  4.5272803515294440   T   T   T