C Si 
 1.0000000000000000
     4.6533719670387681   -0.0000000000000000    0.0000000000000000
    -0.0000000000000000    4.6533719670387681    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.6533719670387681
 C   Si 
   8   4
Selective dynamics
Cartesian
  1.8453520381521296  1.8453520381521296  1.8453520381521296   T   T   T
  0.4813339453672546  2.8080199288866390  4.1720380216715149   T   T   T
  2.8080199288866390  4.1720380216715158  0.4813339453672546   T   T   T
  4.1720380216715149  0.4813339453672546  2.8080199288866390   T   T   T
  2.8080199288866390  2.8080199288866390  2.8080199288866390   T   T   T
  4.1720380216715149  1.8453520381521296  0.4813339453672546   T   T   T
  1.8453520381521296  0.4813339453672546  4.1720380216715158   T   T   T
  0.4813339453672546  4.1720380216715158  1.8453520381521296   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.3266859835193836 -0.0000000000000000  2.3266859835193836   T   T   T
 -0.0000000000000000  2.3266859835193836  2.3266859835193836   T   T   T
  2.3266859835193836  2.3266859835193836  0.0000000000000000   T   T   T