Ca Si 
 1.0000000000000000
   279.7429682049993289    0.0000000000000000    0.0000000000000000
     0.0000000000000000  328.1642434553860426   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000  288.8351324439254881
 Ca  Si 
   2   2
Selective dynamics
Cartesian
 254.6852919591829618  0.0000000000000000 -0.0000000000000000   T   T   T
 25.0576762458145481  0.0000000000000000  0.0000000000000000   T   T   T
 93.4766210316494721  0.0000000000000000 -0.0000000000000000   T   T   T
 186.2663471733503968 -0.0000000000000000  0.0000000000000000   T   T   T