O Si 
 1.0000000000000000
     8.2001173924715403   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    8.2001173924715403    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    5.6276846443497224
 O   Si 
  16   8
Selective dynamics
Cartesian
 -0.0000000000000000  4.1000586962357133  0.0000000000000000   T   T   T
  4.1000586962358820  0.0000000000000000  2.8138423221748616   T   T   T
 -0.0000000000000000  4.1000586962357133  2.8138423221748616   T   T   T
  4.1000586962358820 -0.0000000000000000 -0.0000000000000000   T   T   T
  2.1273819846840256  2.1273819846840141  0.0000000000000000   T   T   T
  6.0727354077839832  6.0727354077838607  0.0000000000000000   T   T   T
  6.0727354077839832  2.1273819846840141  2.8138423221748616   T   T   T
  2.1273819846840256  6.0727354077838607  2.8138423221748616   T   T   T
  2.0488189786776267  0.0000000000000000  1.4069211610874308   T   T   T
  6.1512984137919666  0.0000000000000000  1.4069211610874308   T   T   T
 -0.0000000000000000  2.0488189786776063  4.2207634832621004   T   T   T
 -0.0000000000000000  6.1512984137919533  4.2207634832621004   T   T   T
  6.1512984137919666  0.0000000000000000  4.2207634832621004   T   T   T
  2.0488189786776267  0.0000000000000000  4.2207634832621004   T   T   T
 -0.0000000000000000  6.1512984137919533  1.4069211610874308   T   T   T
 -0.0000000000000000  2.0488189786776063  1.4069211610874308   T   T   T
  0.5604936464045032  2.5773822635587522  0.0000000000000000   T   T   T
  7.6396237460628775  5.6227351289098069  0.0000000000000000   T   T   T
  5.6227351289099188  0.5604936464044959  2.8138423221748616   T   T   T
  2.5773822635587647  7.6396237460626768  2.8138423221748616   T   T   T
  7.6396237460628775  2.5773822635587522  2.8138423221748616   T   T   T
  0.5604936464045032  5.6227351289098069  2.8138423221748616   T   T   T
  2.5773822635587647  0.5604936464044959  0.0000000000000000   T   T   T
  5.6227351289099188  7.6396237460626768  0.0000000000000000   T   T   T