O Si 
 1.0000000000000000
     4.8820322882252389   -0.0000000000000000   -0.0000000000000000
    -2.4410161441126195    4.2279639836989240   -0.0000000000000000
    -0.0000000000000000    0.0000000000000000    8.5354046290327421
 O   Si 
   8   4
Selective dynamics
Cartesian
 -0.0000000244101624  2.8186426698924971  2.1338511572581851   T   T   T
  2.4410161197024580  1.4093213419928559  6.4015534717745579   T   T   T
  1.8931088751576939  0.0000000140932137 -0.0000000000000000   T   T   T
 -0.9465544741940900  1.6394804132493785  0.0000000000000000   T   T   T
  1.4944616699185291  2.5884835986359760  0.0000000000000000   T   T   T
  2.9889233642472197  0.0000000140932137  4.2677023145163702   T   T   T
 -1.4944617187388531  2.5884835986359760  4.2677023145163702   T   T   T
  0.9465544253737653  1.6394804132493785  4.2677023145163702   T   T   T
 -0.0000000244101624  2.8186426698924971  3.7355833973664141   T   T   T
  2.4410161197024580  1.4093213419928559  8.0032857118827820   T   T   T
  2.4410161197024580  1.4093213419928559  4.7998212316663302   T   T   T
 -0.0000000244101625  2.8186426698924976  0.5321189171499585   T   T   T