C Si 
 1.0000000000000000
     4.2796019038182473    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    4.2796019038182473   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.2796019038182473
 C   Si 
   4   4
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
  0.0000000000000000  2.1398009519091237  2.1398009519091237   T   T   T
  2.1398009519091237 -0.0000000000000000  2.1398009519091237   T   T   T
  2.1398009519091237  2.1398009519091237 -0.0000000000000000   T   T   T
  1.0699004759545618  1.0699004759545616  1.0699004759545616   T   T   T
  3.2097014278636853  3.2097014278636853  1.0699004759545616   T   T   T
  3.2097014278636853  1.0699004759545616  3.2097014278636853   T   T   T
  1.0699004759545618  3.2097014278636853  3.2097014278636853   T   T   T