C Si 
 1.0000000000000000
     4.9865473179564397   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    4.9865473179564397   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000    4.9865473179564397
 C   Si 
   4   4
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000 -0.0000000000000000   T   T   T
 -0.0000000000000000  2.4932736589782212  2.4932736589782212   T   T   T
  2.4932736589782212 -0.0000000000000000  2.4932736589782212   T   T   T
  2.4932736589782212  2.4932736589782212 -0.0000000000000000   T   T   T
  1.2466368294891106  1.2466368294891104  1.2466368294891104   T   T   T
  3.7399104884673298  3.7399104884673298  1.2466368294891104   T   T   T
  3.7399104884673298  1.2466368294891104  3.7399104884673298   T   T   T
  1.2466368294891106  3.7399104884673298  3.7399104884673298   T   T   T