C Si 
 1.0000000000000000
     4.6362277818130337   -0.0000000000000000    0.0000000000000000
     0.0000000000000000    4.6362277818130337    0.0000000000000000
     0.0000000000000000    0.0000000000000000    4.6362277818130337
 C   Si 
   8   4
Selective dynamics
Cartesian
  1.8763604523745689  1.8763604523745687  1.8763604523745689   T   T   T
  0.4417534385319485  2.7598673294384657  4.1944743432810858   T   T   T
  2.7598673294384657  4.1944743432810858  0.4417534385319485   T   T   T
  4.1944743432810858  0.4417534385319485  2.7598673294384657   T   T   T
  2.7598673294384657  2.7598673294384657  2.7598673294384657   T   T   T
  4.1944743432810858  1.8763604523745687  0.4417534385319485   T   T   T
  1.8763604523745689  0.4417534385319485  4.1944743432810858   T   T   T
  0.4417534385319485  4.1944743432810858  1.8763604523745689   T   T   T
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.3181138909065169 -0.0000000000000000  2.3181138909065169   T   T   T
  0.0000000000000000  2.3181138909065169  2.3181138909065169   T   T   T
  2.3181138909065169  2.3181138909065169  0.0000000000000000   T   T   T