C Si 
 1.0000000000000000
     3.0261355270518044    0.0000000000000000    0.0000000000000000
    -1.5130677635259022    2.6207102417214734    0.0000000000000000
     0.0000000000000000    0.0000000000000000   19.7666344884955549
 C   Si 
   8   8
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  1.8555928068835523   T   T   T
  0.0000000000000000  0.0000000000000000 11.7389100511313345   T   T   T
 -0.0000000000000003  1.7471401611476491  6.7972514288427437   T   T   T
  1.5130677635259022  0.8735700805738246 16.6805686730905087   T   T   T
 -0.0000000000000003  1.7471401611476491 14.2097393620235088   T   T   T
  1.5130677635259022  0.8735700805738246  4.3264221177757349   T   T   T
 -0.0000000000000003  1.7471401611476491 19.1513979842699698   T   T   T
  1.5130677635259022  0.8735700805738246  9.2680807400221923   T   T   T
  0.0000000000000000  0.0000000000000000  0.0024708235050080   T   T   T
  0.0000000000000000  0.0000000000000000  9.8857880677527827   T   T   T
 -0.0000000000000003  1.7471401611476491 12.3566173788109044   T   T   T
  1.5130677635259022  0.8735700805738246  2.4733001345631247   T   T   T
 -0.0000000000000003  1.7471401611476491  4.9441294454179996   T   T   T
  1.5130677635259022  0.8735700805738246 14.8274466896657788   T   T   T
 -0.0000000000000003  1.7471401611476491 17.2982760008869931   T   T   T
  1.5130677635259022  0.8735700805738246  7.4149587566392245   T   T   T