Ca Si 
 1.0000000000000000
     4.0044646749235282   -0.0000000000000000   -0.0000000000000000
    -2.0022323374617641    3.4679681370411677    0.0000000000000000
     0.0000000000000000    0.0000000000000000    3.7624177399787500
 Ca  Si 
   1   2
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000004  2.3119787580274456  1.8812088699893748   T   T   T
  2.0022323374617641  1.1559893790137230  1.8812088699893748   T   T   T