O Si 
 1.0000000000000000
     4.4108814159783529    0.0000000000000000    0.2290923984677172
     0.0000000000000000    4.4215604055644189    0.0000000000000000
    -5.2789836647435431    0.0000000000000000    8.0341840523861592
 O   Si 
   8   4
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -2.6394918323717702  0.0000000000000000  4.0170920261930796   T   T   T
  2.2054407079891742  2.2107802027822085  0.1145461992338580   T   T   T
 -0.4340511243825956  2.2107802027822085  4.1316382254269355   T   T   T
  0.0000000000000000  2.2107802027822085  0.0000000000000000   T   T   T
 -2.6394918323717702  2.2107802027822085  4.0170920261930796   T   T   T
 -1.3197459161858851  3.4858768350237166  2.0085460130965402   T   T   T
 -3.9592377485576580  0.9356835705407029  6.0256380392896132   T   T   T
  0.6784926302996268  1.1392668938853601  4.6739508658547333   T   T   T
 -4.1860867114365874  1.1392668938853601  7.6064176111922119   T   T   T
 -1.5465948790648192  3.2822935116790539  3.5893255849991346   T   T   T
  3.3179844626713968  3.2822935116790548  0.6568588396616567   T   T   T