C Si 
 1.0000000000000000
     3.5694249233799051   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    3.5694249233799056    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    8.2031527319865472
 C   Si 
   4   2
Selective dynamics
Cartesian
 -0.0000000000000000  1.7847124616899530  4.9237928631136381   T   T   T
  1.7847124616899532  0.0000000000000000  0.8222164971203588   T   T   T
 -0.0000000000000000  1.7847124616899530  3.2793598688729158   T   T   T
  1.7847124616899532  0.0000000000000000  7.3809362348661844   T   T   T
 -0.0000000000000000  0.0000000000000000  2.0507881829966363   T   T   T
 -0.0000000000000000  0.0000000000000000  6.1523645489899108   T   T   T