O Si 
 1.0000000000000000
     6.6754997534668323    0.0000000000000000   -0.0289008360376258
     0.0000000000000000    7.8889236547396546   -0.0000000000000000
     0.8448153309318676   -0.0000000000000000    5.4060710110176293
 O   Si 
  16   8
Selective dynamics
Cartesian
  2.1814577831895821  7.2710828404625332  5.1992610234421033   T   T   T
  1.7590501177236495  0.6178408142771262  2.4962255179332877   T   T   T
  5.5192076599229907  3.3266210130927050  5.1848106054232890   T   T   T
  5.0967999944570606  4.5623026416469523  2.4817750999144748   T   T   T
  6.5925817289321538  7.8765854940121907  4.1404211298361195   T   T   T
  6.1701740634662174  0.0123381607274697  1.4373856243272993   T   T   T
  3.2548318521987354  3.9321236666423616  4.1548715478549330   T   T   T
  2.8324241867328008  3.9567999880972993  1.4518360423461125   T   T   T
  3.4860817262057133  0.4078228386305431  0.6253177143871093   T   T   T
  3.9084893916716474  7.4811008161091141  3.3283532198959209   T   T   T
  0.1483318494722999  4.3522846660003687  0.6397681324059217   T   T   T
  0.5707395149382345  3.5366389887392855  3.3428036379147357   T   T   T
  4.0694111004389022  2.0453551453516097  2.6011131924267965   T   T   T
  4.4918187659048341  5.8435685093880476  5.3041486979356112   T   T   T
  0.7316612237054889  5.9898169727214423  2.6155636104456099   T   T   T
  1.1540688891714219  1.8991066820182185  5.3185991159544255   T   T   T
  3.7752588902059014  3.6177987521195214  2.6859755247382604   T   T   T
  4.1976665556718364  4.2711249026201381  5.3890110302470786   T   T   T
  0.4375090134724884  7.5622605794893571  2.7004259427570738   T   T   T
  0.8599166789384224  0.3266630752503082  5.4034614482658885   T   T   T
  3.3669536311455786  0.6475232195918874  2.2253682981103893   T   T   T
  3.7893612966115104  7.2414004351477725  4.9284038036192070   T   T   T
  6.7047035078789952  4.5919850469617112  2.2109178800915741   T   T   T
  7.1271111733449271  3.2969386077779430  4.9139533856003919   T   T   T