C Si 
 1.0000000000000000
     4.5624655375963261   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.5624655375963261    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.5624655375963261
 C   Si 
   8   4
Selective dynamics
Cartesian
  1.8429341676245283  1.8429341676245283  1.8429341676245283   T   T   T
  0.4382986011736351  2.7195313699717985  4.1241669364226929   T   T   T
  2.7195313699717985  4.1241669364226929  0.4382986011736352   T   T   T
  4.1241669364226929  0.4382986011736351  2.7195313699717985   T   T   T
  2.7195313699717985  2.7195313699717985  2.7195313699717985   T   T   T
  4.1241669364226929  1.8429341676245283  0.4382986011736352   T   T   T
  1.8429341676245283  0.4382986011736351  4.1241669364226929   T   T   T
  0.4382986011736351  4.1241669364226929  1.8429341676245283   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.2812327687981631 -0.0000000000000000  2.2812327687981631   T   T   T
 -0.0000000000000000  2.2812327687981631  2.2812327687981631   T   T   T
  2.2812327687981631  2.2812327687981631  0.0000000000000000   T   T   T