O Si 
 1.0000000000000000
     4.2561682729683312    0.0000000000000000    0.0000000000000000
     0.0000000000000000    5.6215775919256430    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.9321160344378274
 O   Si 
   8   4
Selective dynamics
Cartesian
  1.0948139549505036  3.4934988696212872  0.5062734213216109   T   T   T
  1.0332701815336605  4.9388675182671706  2.9723314385405231   T   T   T
  3.1613543180178234  3.4934988696212872  1.9597845958973070   T   T   T
  3.2228980914346730  4.9388675182671706  4.4258426131162212   T   T   T
  3.1613543180178234  2.1280787223043505  4.4258426131162212   T   T   T
  3.2228980914346730  0.6827100736584676  1.9597845958973070   T   T   T
  1.0948139549505036  2.1280787223043505  2.9723314385405231   T   T   T
  1.0332701815336605  0.6827100736584676  0.5062734213216109   T   T   T
 -0.0000000000000000  4.4581502956468846  1.2330290086094571   T   T   T
  2.1280841364841652  3.9742160922415728  3.6990870258283741   T   T   T
  0.0000000000000000  1.1634272962787560  3.6990870258283741   T   T   T
  2.1280841364841652  1.6473614996840631  1.2330290086094571   T   T   T