O Si 
 1.0000000000000000
     5.3682268250061718   -0.0000000000000000   -0.0000000000000000
    -2.6841134125030859    4.6490208037324239    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    8.7662776965262310
 O   Si 
   8   4
Selective dynamics
Cartesian
 -0.0000000268411353  3.0993472179850188  2.1915694241315578   T   T   T
  2.6841133856619517  1.5496736167408776  6.5747082723946733   T   T   T
  2.6841133856619512  0.0000000154967361 -0.0000000000000000   T   T   T
 -1.3420567330926778  2.3245104173629487  0.0000000000000000   T   T   T
  1.3420566794104074  2.3245104173629487  0.0000000000000000   T   T   T
  2.6841133856619512  0.0000000154967361  4.3831388482631155   T   T   T
 -1.3420567330926778  2.3245104173629487  4.3831388482631155   T   T   T
  1.3420566794104074  2.3245104173629487  4.3831388482631155   T   T   T
 -0.0000000268411353  3.0993472179850188  3.8352464923460960   T   T   T
  2.6841133856619517  1.5496736167408773  8.2183853406092169   T   T   T
  2.6841133856619517  1.5496736167408776  4.9310312041801314   T   T   T
 -0.0000000268411356  3.0993472179850192  0.5478923559170187   T   T   T