O Si 
 1.0000000000000000
     5.1357534044042374    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    5.1357534044042366    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    6.9638674440582529
 O   Si 
   8   4
Selective dynamics
Cartesian
  1.2310494733287405  0.5211758185790435  1.2390103860635293   T   T   T
  3.9047039310754927  4.6145775858251890  4.7209441080926560   T   T   T
  2.0467008836230720  3.7989261755308577  2.9799772470780939   T   T   T
  3.0890525207811605  1.3368272288733758  6.4619109691072216   T   T   T
  1.3368272288733756  3.0890525207811601  0.5019564749510341   T   T   T
  3.7989261755308572  2.0467008836230725  3.9838901969801599   T   T   T
  0.5211758185790436  1.2310494733287405  5.7248570579947229   T   T   T
  4.6145775858251881  3.9047039310754936  2.2429233359655956   T   T   T
  1.5445262603701173  1.5445262603701178  0.0000000000000000   T   T   T
  3.5912271440341148  3.5912271440341148  3.4819337220291264   T   T   T
  1.0233504418319983  4.1124029625722347  1.7409668610145632   T   T   T
  4.1124029625722338  1.0233504418319987  5.2229005830436881   T   T   T