O Si 
 1.0000000000000000
     5.0688780124112416    0.0000000000000000   -0.0000000000000000
    -2.5344390062056208    4.3897771274325077   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    5.5928957492812224
 O   Si 
   6   3
Selective dynamics
Cartesian
 -0.0000000000002008  1.9009208702224609  0.0000000000000000   T   T   T
  0.8881932420085898  3.4393166923212779  3.7285971661873925   T   T   T
 -0.8881932420092853  3.4393166923212779  1.8642985830936962   T   T   T
  2.5344390062051816  2.4888562572100379 -0.0000000000000000   T   T   T
  1.6462457641966333  0.9504604351112306  3.7285971661873925   T   T   T
  3.4226322482145015  0.9504604351112306  1.8642985830936962   T   T   T
  2.5344390062056448  0.0000000000000002  2.7964478746406853   T   T   T
 -1.2672195031030540  2.1948885637162410  0.9321492915468473   T   T   T
  1.2672195031025908  2.1948885637162410  4.6607464577342403   T   T   T