Ca  O Si 
 1.0000000000000000
     4.5749889211711023    0.0000000000000000    0.0000000000000000
    -2.2874944605855512    3.9620566277665370   -0.0000000000000000
    -0.0000000000000000    0.0000000000000000    8.0501585241775686
 Ca  O   Si 
   4   8   2
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  0.0000000000000000  4.0250792620887870   T   T   T
 -0.0000000000000024  2.6413710851776919  5.2103294814705130   T   T   T
  2.2874944605855516  1.3206855425888462  2.8398290427070543   T   T   T
 -0.0000000000000024  2.6413710851776919  7.4665937346907389   T   T   T
  2.2874944605855516  1.3206855425888462  0.5835647894868274   T   T   T
 -0.6564073183254165  3.0203480271109089  2.7455065321788998   T   T   T
 -0.0000000000000015  1.8834172013112569  2.7455065321788998   T   T   T
  0.6564073183254101  3.0203480271109093  2.7455065321788998   T   T   T
  2.9439017789109658  0.9417086006556286  5.3046519919986697   T   T   T
  1.6310871422601403  0.9417086006556284  5.3046519919986697   T   T   T
  2.2874944605855476  2.0786394264552750  5.3046519919986697   T   T   T
 -0.0000000000000024  2.6413710851776919  1.1570073499156612   T   T   T
  2.2874944605855516  1.3206855425888462  6.8931511742619040   T   T   T