O Si 
 1.0000000000000000
     4.6656958072459727    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.6656958072459727    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    7.3298869290940720
 O   Si 
   8   4
Selective dynamics
Cartesian
  4.0420785256391509  1.1664239518114927  0.9162358661367591   T   T   T
  0.6236172816068208  3.4992718554344773  0.9162358661367591   T   T   T
  1.1664239518114929  0.6236172816068211  6.4136510629573129   T   T   T
  3.4992718554344777  4.0420785256391509  6.4136510629573129   T   T   T
  2.9564651852298067  1.1664239518114927  4.5811793306837929   T   T   T
  1.7092306220161635  3.4992718554344773  4.5811793306837929   T   T   T
  3.4992718554344777  2.9564651852298072  2.7487075984102773   T   T   T
  1.1664239518114929  1.7092306220161630  2.7487075984102773   T   T   T
 -0.0000000000000000  0.0000000000000000 -0.0000000000000000   T   T   T
  2.3328479036229859  0.0000000000000000  5.4974151968205547   T   T   T
  2.3328479036229859  2.3328479036229854  3.6649434645470365   T   T   T
  0.0000000000000000  2.3328479036229854  1.8324717322735182   T   T   T