O Si 
 1.0000000000000000
     5.5825096115809334   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.5825096115809378    0.0000000000000001
    -0.0000000000000000    0.0000000000000002   11.4600916859034641
 O   Si 
  16   8
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000001 10.1052176192318939   T   T   T
  2.7912548057904671  2.7912548057904689  4.3751717762801574   T   T   T
 -0.0000000000000000  2.7912548057904689  1.5101488548042858   T   T   T
  2.7912548057904671  0.0000000000000001  7.2401946977560252   T   T   T
  2.7912548057904671  0.0000000000000001  9.9499428310991789   T   T   T
 -0.0000000000000000  2.7912548057904689  4.2198969881474451   T   T   T
  2.7912548057904671  2.7912548057904689  7.0849199096233137   T   T   T
 -0.0000000000000000  0.0000000000000000  1.3548740666715817   T   T   T
  1.5149270032327407  4.0675826083481965  0.0000000000000010   T   T   T
  1.2763278025577256  4.3061818090232133  5.7300458429517338   T   T   T
  1.5149270032327407  4.3061818090232133  2.8650229214758687   T   T   T
  1.2763278025577256  4.0675826083481965  8.5950687644275998   T   T   T
  4.3061818090232080  1.2763278025577260  5.7300458429517338   T   T   T
  4.0675826083481912  1.5149270032327429  0.0000000000000009   T   T   T
  4.3061818090232080  1.5149270032327427  8.5950687644275998   T   T   T
  4.0675826083481912  1.2763278025577258  2.8650229214758682   T   T   T
  4.8434615392980387  1.3956274028952345  1.4325114607379341   T   T   T
  3.5303028780733596  1.3956274028952347  7.1625573036896695   T   T   T
  4.1868822086856978  2.0522067335075747  4.2975343822137999   T   T   T
  4.1868822086856978  0.7390480722828950 10.0275802251655346   T   T   T
  2.0522067335075729  4.1868822086857023  7.1625573036896695   T   T   T
  0.7390480722828946  4.1868822086857023  1.4325114607379343   T   T   T
  1.3956274028952340  4.8434615392980422 10.0275802251655346   T   T   T
  1.3956274028952336  3.5303028780733623  4.2975343822137999   T   T   T