O Si 
 1.0000000000000000
     8.5883085699421517    0.0000000000000000    0.0000000000000000
     0.0000000000000000    9.7845506970980214    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.5427409890546109
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.1470771424855388  2.4461376742745040  1.1356852472636527   T   T   T
  6.4412314274566187  7.3384130228235156  1.1356852472636527   T   T   T
  6.4412314274566187  2.4461376742745040  3.4070557417909590   T   T   T
  2.1470771424855388  7.3384130228235156  3.4070557417909590   T   T   T
  2.0596061016041891 -0.0000000000000000 -0.0000000000000000   T   T   T
  6.5287024683379711 -0.0000000000000000  0.0000000000000000   T   T   T
  2.2345481833668881  4.8922753485490080  2.2713704945273054   T   T   T
  6.3537603865752699  4.8922753485490080  2.2713704945273054   T   T   T
  1.1805393629414278 -0.0000000000000000  2.2713704945273054   T   T   T
  7.4077692070007339 -0.0000000000000000  2.2713704945273054   T   T   T
  3.1136149220296527  4.8922753485490080  0.0000000000000000   T   T   T
  5.4746936479125061  4.8922753485490080 -0.0000000000000000   T   T   T
  0.0000000000000000  1.4605613682331178  0.0000000000000000   T   T   T
  0.0000000000000000  8.3239893288649043  0.0000000000000000   T   T   T
  4.2941542849710777  3.4317139803158980  2.2713704945273054   T   T   T
  4.2941542849710777  6.3528367167821287  2.2713704945273054   T   T   T
  1.2774378648879223  1.1079773965356283  1.0338986972954858   T   T   T
  7.3108707050542465  8.6765733005623833  1.0338986972954858   T   T   T
  7.3108707050542465  1.1079773965356283  3.5088422917591249   T   T   T
  1.2774378648879223  8.6765733005623833  3.5088422917591249   T   T   T
  3.0167164200831587  3.7842979520133828  1.2374717972318192   T   T   T
  5.5715921498589989  6.0002527450846417  1.2374717972318192   T   T   T
  5.5715921498589989  3.7842979520133828  3.3052691918227923   T   T   T
  3.0167164200831587  6.0002527450846417  3.3052691918227923   T   T   T