O Si 
 1.0000000000000000
     5.0385647354505885   -0.0000000000000000    0.0000000000000000
    -2.5192823677252942    4.3635250595126305   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    5.5149912488828337
 O   Si 
   6   3
Selective dynamics
Cartesian
  1.0280661103091000  3.2251004094054352  4.4000724021037732   T   T   T
 -0.7877695717304272  3.6413062231075948  2.5617419858095127   T   T   T
 -0.2402965385794381  1.8606434865121264  0.7234115695152509   T   T   T
  2.2789858291455762  2.5028815730004448  1.1149188467790043   T   T   T
  3.5473484780345621  1.1384246501071462  2.9532492630732703   T   T   T
  1.7315127959951873  0.7222188364049913  4.7915796793675218   T   T   T
  2.6583057559049492  0.0000000000000013  3.6766608325885355   T   T   T
 -1.3291528779527031  2.3021603156400636  1.8383304162942673   T   T   T
  1.1901294897725747  2.0613647438725113  0.0000000000000000   T   T   T