Ca Si 
 1.0000000000000000
     6.5458888674084177   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.5458888674084177    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    6.5458888674084177
 Ca  Si 
   8   4
Selective dynamics
Cartesian
  1.6364722168521051  1.6364722168521051  1.6364722168521051   T   T   T
  4.9094166505563148  4.9094166505563148  1.6364722168521051   T   T   T
  4.9094166505563148  1.6364722168521051  4.9094166505563148   T   T   T
  1.6364722168521051  4.9094166505563148  4.9094166505563148   T   T   T
  1.6364722168521051  1.6364722168521051  4.9094166505563148   T   T   T
  4.9094166505563148  4.9094166505563148  4.9094166505563148   T   T   T
  1.6364722168521051  4.9094166505563148  1.6364722168521051   T   T   T
  4.9094166505563148  1.6364722168521051  1.6364722168521051   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  3.2729444337042102  3.2729444337042102   T   T   T
  3.2729444337042102  0.0000000000000000  3.2729444337042102   T   T   T
  3.2729444337042102  3.2729444337042102  0.0000000000000000   T   T   T