O Si 
 1.0000000000000000
     4.8638440431632430   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.8638440431632439   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    6.0893300953383251
 O   Si 
   8   4
Selective dynamics
Cartesian
  1.1112999661968159  0.7226261665937898  1.2520771843236009   T   T   T
  3.7525440769664256  4.1412178765694607  4.2967422319927611   T   T   T
  1.7092958549878319  3.5432219877784425  2.7744097081581822   T   T   T
  3.1545481881754114  1.3206220553848056  5.8190747558273417   T   T   T
  1.3206220553848049  3.1545481881754132  0.2702553395109795   T   T   T
  3.5432219877784399  1.7092958549878328  3.3149203871801411   T   T   T
  0.7226261665937888  1.1112999661968177  4.8372529110147227   T   T   T
  4.1412178765694589  3.7525440769664300  1.7925878633455619   T   T   T
  1.6024371534251092  1.6024371534251109 -0.0000000000000000   T   T   T
  3.2614068897381321  3.2614068897381361  3.0446650476691621   T   T   T
  0.8294848681565105  4.0343591750067356  1.5223325238345811   T   T   T
  4.0343591750067329  0.8294848681565111  4.5669975715037419   T   T   T