O Si 
 1.0000000000000000
     5.0460568386605464    0.0000000000000000   -0.0000000000000000
    -2.5230284193302732    4.3700134112202234   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    5.3651735942133554
 O   Si 
   6   3
Selective dynamics
Cartesian
  1.0375242791276600  3.2441112868580397  4.2676057805588767   T   T   T
 -0.8052165073564481  3.6464801505589026  2.4792145824877592   T   T   T
 -0.2323077717712178  1.8494353850235163  0.6908233844166383   T   T   T
  2.2907206475590538  2.5205780261967128  1.0975678136544798   T   T   T
  3.5605526984579341  1.1259021243621892  2.8859590117255971   T   T   T
  1.7178119119738251  0.7235332606613279  4.6743502097967209   T   T   T
  2.6434170923683902  0.0000000000000014  3.5767823961422387   T   T   T
 -1.3217085461841973  2.2892663547890217  1.7883911980711189   T   T   T
  1.2013198731460752  2.0807470564312069 -0.0000000000000000   T   T   T