C Si 
 1.0000000000000000
     3.0261292073624051   -0.0000000000000000   -0.0000000000000000
    -1.5130646036812025    2.6207047687099103   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000   19.7665932084478904
 C   Si 
   8   8
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000  1.8555889317193228   T   T   T
 -0.0000000000000000 -0.0000000000000000 11.7388855359432753   T   T   T
 -0.0000000000000008  1.7471365124732723  6.7972372336659674   T   T   T
  1.5130646036812032  0.8735682562366361 16.6805338378899108   T   T   T
 -0.0000000000000008  1.7471365124732723 14.2097096868291111   T   T   T
  1.5130646036812032  0.8735682562366361  4.3264130826051730   T   T   T
 -0.0000000000000008  1.7471365124732723 19.1513579890640564   T   T   T
  1.5130646036812032  0.8735682562366361  9.2680613848401165   T   T   T
 -0.0000000000000000 -0.0000000000000000  0.0024708183451587   T   T   T
 -0.0000000000000000 -0.0000000000000000  9.8857674225691028   T   T   T
 -0.0000000000000008  1.7471365124732723 12.3565915736209497   T   T   T
  1.5130646036812032  0.8735682562366361  2.4732949693970028   T   T   T
 -0.0000000000000008  1.7471365124732723  4.9441191202454950   T   T   T
  1.5130646036812032  0.8735682562366361 14.8274157244694482   T   T   T
 -0.0000000000000008  1.7471365124732723 17.2982398756849420   T   T   T
  1.5130646036812032  0.8735682562366361  7.4149432714609871   T   T   T