O Si 
 1.0000000000000000
     5.1126571440775637   -0.0000000000000000    0.0000000000000000
    -2.5563285720387818    4.4276909676111664    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    8.4596571373764355
 O   Si 
   8   4
Selective dynamics
Cartesian
 -0.0000000255632863  2.9517939931664130  2.1149142843441089   T   T   T
  2.5563285464754952  1.4758970039626922  6.3447428530323293   T   T   T
  2.5563285464754948  0.0000000147589700  0.0000000000000000   T   T   T
 -1.2781643115826766  2.2138454985645524  0.0000000000000000   T   T   T
  1.2781642604561043  2.2138454985645524  0.0000000000000000   T   T   T
  2.5563285464754948  0.0000000147589700  4.2298285686882178   T   T   T
 -1.2781643115826766  2.2138454985645524  4.2298285686882178   T   T   T
  1.2781642604561043  2.2138454985645524  4.2298285686882178   T   T   T
 -0.0000000255632863  2.9517939931664130  3.6895182693429436   T   T   T
  2.5563285464754952  1.4758970039626920  7.9193468380311645   T   T   T
  2.5563285464754952  1.4758970039626922  4.7701388680334889   T   T   T
 -0.0000000255632866  2.9517939931664134  0.5403102993452731   T   T   T