C Si 
 1.0000000000000000
     3.0846778118312854    0.0000000000000000    0.0000000000000000
    -1.5423389059156427    2.6714093475360885    0.0000000000000000
     0.0000000000000000   -0.0000000000000000   10.0745155472791286
 C   Si 
   4   4
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  0.0000000184136668   T   T   T
 -0.0000000000000000  0.0000000000000000  5.0372577920532331   T   T   T
 -0.0000000000000007  1.7809395650240594  7.5558866787505998   T   T   T
  1.5423389059156425  0.8904697825120297  2.5186289051110342   T   T   T
 -0.0000000000000000  0.0000000000000000  1.8889716833938137   T   T   T
  0.0000000000000000 -0.0000000000000000  6.9262294570333793   T   T   T
 -0.0000000000000007  1.7809395650240594  9.4448583439327329   T   T   T
  1.5423389059156425  0.8904697825120297  4.4076005702931651   T   T   T