C Si 
 1.0000000000000000
     3.0846778118348981    0.0000000000000000    0.0000000000000000
    -1.5423389059174490    2.6714093475392171    0.0000000000000000
     0.0000000000000000    0.0000000000000000   20.1490310931331358
 C   Si 
   8   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  1.8914902882787876   T   T   T
 -0.0000000000000000  0.0000000000000000 11.9660058348453635   T   T   T
 -0.0000000000000018  1.7809395650261446  6.9287480607981937   T   T   T
  1.5423389059174499  0.8904697825130723 17.0032636073647474   T   T   T
 -0.0000000000000018  1.7809395650261446 14.4846347206489323   T   T   T
  1.5423389059174499  0.8904697825130723  4.4101191740823626   T   T   T
 -0.0000000000000018  1.7809395650261446 19.5218924948848489   T   T   T
  1.5423389059174499  0.8904697825130723  9.4473769483182934   T   T   T
  0.0000000000000000  0.0000000000000000  0.0025186234721493   T   T   T
  0.0000000000000000  0.0000000000000000 10.0770341700387203   T   T   T
 -0.0000000000000018  1.7809395650261446 12.5956630561362033   T   T   T
  1.5423389059174499  0.8904697825130723  2.5211475095696385   T   T   T
 -0.0000000000000018  1.7809395650261446  5.0397763955418426   T   T   T
  1.5423389059174499  0.8904697825130723 15.1142919421084247   T   T   T
 -0.0000000000000018  1.7809395650261446 17.6329208295498390   T   T   T
  1.5423389059174499  0.8904697825130723  7.5584052829832649   T   T   T