O Si 
 1.0000000000000000
     7.8051258147768792   -0.1319054374232934   -0.1661251507603576
     1.1834108033065061    5.1702579863343212    0.1543000231735139
    -3.6297185911665357    2.1164460031684689    5.5513732355199101
 O   Si 
  12   6
Selective dynamics
Cartesian
 -2.0749928110070770  3.1139710880476170  4.1113525318498558   T   T   T
  4.4458169783336023  5.7685357063474410  3.3744770590224498   T   T   T
  2.5341863627717314  2.3967529602986430  1.5881947224299984   T   T   T
  0.4305862073167183  4.1735768248127547  3.3818045553770002   T   T   T
  2.6106774817699194  4.4079190428349317  4.7539108631776283   T   T   T
 -1.0950209465360459  1.4729487908730858  2.0710476985408581   T   T   T
  4.7650387204441458  3.5587827678601540  1.6713513102912856   T   T   T
  1.4641127609901479  1.9645309174096219  4.1899124380998449   T   T   T
  7.7234999134048339  4.0471526266605107  0.6441679532584481   T   T   T
  4.2841226809004880  1.0332415204023035  0.6395674812511078   T   T   T
  2.2060021291758476  4.9026701500688441  1.7114086660560950   T   T   T
 -0.3968852434759890  5.9066651355600994  5.1528851145054686   T   T   T
  3.1519378429405767  3.7446976144525514  1.1292992351487012   T   T   T
 -2.0026906641394135  2.7386214341863058  2.6366740357663652   T   T   T
  3.1261224515854775  0.9987714258097912  1.7022712141351655   T   T   T
  1.2333674401788384  3.4886752417669142  4.6098923818615178   T   T   T
  0.6284454966305391  5.0374707059861343  2.0464534376441779   T   T   T
  3.4853352123013179  5.8344671285401262  4.6998018598314912   T   T   T