C Si 
 1.0000000000000000
     3.0261355269411387   -0.0000000000000000   -0.0000000000000000
    -1.5130677634705694    2.6207102416256345   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000   24.7082931112830337
 C   Si 
  10  10
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000  6.7947806157112911   T   T   T
 -0.0000000000000000 -0.0000000000000000 11.7364392376428963   T   T   T
 -0.0000000000000000 -0.0000000000000000 16.6780978602026622   T   T   T
 -0.0000000000000000 -0.0000000000000000 21.6197564817428614   T   T   T
 -0.0000000000000016  1.7471401610837569  4.3239513040720299   T   T   T
 -0.0000000000000016  1.7471401610837569 14.2072685487710348   T   T   T
 -0.0000000000000016  1.7471401610837569 24.0905857936885255   T   T   T
  1.5130677634705696  0.8735700805418785 19.1489271708337121   T   T   T
  1.5130677634705696  0.8735700805418785  9.2656099269883772   T   T   T
  1.5130677634705696  0.8735700805418785  1.8531219934851606   T   T   T
 -0.0000000000000000 -0.0000000000000000 19.7666344983048212   T   T   T
 -0.0000000000000000 -0.0000000000000000 14.8249758767126334   T   T   T
 -0.0000000000000000 -0.0000000000000000  9.8833172545225381   T   T   T
 -0.0000000000000000 -0.0000000000000000  4.9416586319710536   T   T   T
 -0.0000000000000016  1.7471401610837569 22.2374638098620494   T   T   T
 -0.0000000000000016  1.7471401610837569 12.3541465653176701   T   T   T
 -0.0000000000000016  1.7471401610837569  2.4708293208962768   T   T   T
  1.5130677634705696  0.8735700805418785  7.4124879437148117   T   T   T
  1.5130677634705696  0.8735700805418785 24.7082931216509500   T   T   T
  1.5130677634705696  0.8735700805418785 17.2958051878704602   T   T   T