O Si 
 1.0000000000000000
     5.6754026766024550    0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.7093888792835257    0.0000000000000000
     0.0000000000000000    0.0000000000000000    9.6593849683620459
 O   Si 
  16   8
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.8377013383012337  0.0000000000000000  0.0000000000000000   T   T   T
  0.0000000000000000  0.0000000000000000  4.8296924841810007   T   T   T
  2.8377013383012337  0.0000000000000000  4.8296924841810007   T   T   T
  0.0000000000000000  2.3546944396417557  0.0000000000000000   T   T   T
  2.8377013383012337  2.3546944396417557  0.0000000000000000   T   T   T
  0.0000000000000000  2.3546944396417557  4.8296924841810007   T   T   T
  2.8377013383012337  2.3546944396417557  4.8296924841810007   T   T   T
 -0.0000000000000000  1.8226255826239024  2.4148462420905004   T   T   T
  2.8377013383012337  2.8867632966596095  2.4148462420905004   T   T   T
  0.0000000000000000  2.8867632966596095  7.2445387262715641   T   T   T
  2.8377013383012337  1.8226255826239024  7.2445387262715641   T   T   T
  1.4188506691506169  0.0000000000000000  7.8476479469577631   T   T   T
  4.2565520074518153 -0.0000000000000000  6.6414295055853554   T   T   T
  4.2565520074518153 -0.0000000000000000  1.8117370214042823   T   T   T
  1.4188506691506169  0.0000000000000000  3.0179554627766882   T   T   T
  0.4199359404093692  3.5991115610237268  8.6078441872387597   T   T   T
  2.4177653978918734  1.1102773182598038  8.6078441872387597   T   T   T
  5.2554667361931040  3.5991115610237268  5.8812332653043047   T   T   T
  3.2576372787106216  1.1102773182598038  5.8812332653043047   T   T   T
  5.2554667361931040  1.1102773182598038  1.0515407811233692   T   T   T
  3.2576372787106216  3.5991115610237268  1.0515407811233692   T   T   T
  0.4199359404093692  1.1102773182598038  3.7781517030576857   T   T   T
  2.4177653978918734  3.5991115610237268  3.7781517030576857   T   T   T