O Si 
 1.0000000000000000
     5.2227953116137762    0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.2227953116137718   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000   14.9383515809962759
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.6113976558068877  0.2455000892807634 -0.0000000000000000   T   T   T
  2.6113976558068877  4.9772952223330069  7.4691757904981380   T   T   T
  4.9772952223330114  2.6113976558068859 11.2037636857471945   T   T   T
  0.2455000892807639  2.6113976558068859  3.7345878952490690   T   T   T
  1.5474607029683731  1.5474607029683700  9.3364697381226716   T   T   T
  3.6753346086454068  3.6753346086454028  1.8672939476245345   T   T   T
  3.6753346086454068  1.5474607029683700  5.6018818428735973   T   T   T
  1.5474607029683731  3.6753346086454028 13.0710576333717245   T   T   T
  3.8270673455544082  0.9813837760470752  2.1977016538623788   T   T   T
  1.3957279660593651  4.2414115355666988  9.6668774443605248   T   T   T
  4.2414115355667024  3.8270673455544055 13.4014653396095760   T   T   T
  0.9813837760470759  1.3957279660593633  5.9322895491114451   T   T   T
  1.3957279660593651  0.9813837760470753 12.7406499271338713   T   T   T
  3.8270673455544082  4.2414115355666988  5.2714741366357538   T   T   T
  0.9813837760470759  3.8270673455544055  1.5368862413866884   T   T   T
  4.2414115355667041  1.3957279660593633  9.0060620318848148   T   T   T
  3.0599890292971712 -0.1691382581129783  1.4484426663206953   T   T   T
  2.1628062823166099  5.3919335697267492  8.9176184568188273   T   T   T
  5.3919335697267519  3.0599890292971694 12.6522063520678927   T   T   T
 -0.1691382581129786  2.1628062823166054  5.1830305615697609   T   T   T
  2.1628062823166090 -0.1691382581129782 13.4899089146755724   T   T   T
  3.0599890292971712  5.3919335697267492  6.0207331241774398   T   T   T
 -0.1691382581129785  3.0599890292971694  2.2861452289283788   T   T   T
  5.3919335697267519  2.1628062823166054  9.7553210194265034   T   T   T