O Si 
 1.0000000000000000
     5.2879696781349859   -0.0000000000000000   -0.0000000000000000
    -2.6439848390674929    4.5795160757067173   -0.0000000000000000
     0.0000000000000000    0.0000000000000000    8.6303118491037782
 O   Si 
   8   4
Selective dynamics
Cartesian
 -0.0000000264398496  3.0530107324028646  2.1575779622759450   T   T   T
  2.6439848126276422  1.5265053738339598  6.4727338868278395   T   T   T
  2.6439848126276417  0.0000000152650537 -0.0000000000000000   T   T   T
 -1.3219924459735952  2.2897580531184123 -0.0000000000000000   T   T   T
  1.3219923930938964  2.2897580531184123 -0.0000000000000000   T   T   T
  2.6439848126276417  0.0000000152650537  4.3151559245518900   T   T   T
 -1.3219924459735952  2.2897580531184123  4.3151559245518900   T   T   T
  1.3219923930938964  2.2897580531184123  4.3151559245518900   T   T   T
 -0.0000000264398496  3.0530107324028646  3.7766159773027503   T   T   T
  2.6439848126276422  1.5265053738339596  8.0917719018546439   T   T   T
  2.6439848126276422  1.5265053738339598  4.8536958718010323   T   T   T
 -0.0000000264398499  3.0530107324028650  0.5385399472491410   T   T   T