O Si 
 1.0000000000000000
     5.2191946666768541    0.0000000000000000   -0.0000000000000000
    -2.6095973333384270    4.5199551686384121   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    8.6016936840579703
 O   Si 
   8   4
Selective dynamics
Cartesian
 -0.0000000260959734  3.0133034608254579  2.1504234210144926   T   T   T
  2.6095973072424541  1.5066517379459881  6.4512702630434751   T   T   T
  2.6095973072424536  0.0000000150665173 -0.0000000000000000   T   T   T
 -1.3047986927651869  2.2599775993857225 -0.0000000000000000   T   T   T
  1.3047986405732401  2.2599775993857225 -0.0000000000000000   T   T   T
  2.6095973072424536  0.0000000150665173  4.3008468420289852   T   T   T
 -1.3047986927651869  2.2599775993857225  4.3008468420289852   T   T   T
  1.3047986405732401  2.2599775993857225  4.3008468420289852   T   T   T
 -0.0000000260959734  3.0133034608254579  3.7551539121694999   T   T   T
  2.6095973072424541  1.5066517379459878  8.0560007541984842   T   T   T
  2.6095973072424541  1.5066517379459881  4.8465397718884660   T   T   T
 -0.0000000260959737  3.0133034608254583  0.5456929298594853   T   T   T