C Si 
 1.0000000000000000
     3.0829872179192672   -0.0000000000000000    0.0000000000000000
    -1.5414936089596336    2.6699452502607959    0.0000000000000000
     0.0000000000000000    0.0000000000000000   25.1724852249726432
 C   Si 
  10  10
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  6.9224334478727769   T   T   T
  0.0000000000000000  0.0000000000000000 11.9569304912683929   T   T   T
  0.0000000000000000  0.0000000000000000 16.9914275372972483   T   T   T
  0.0000000000000000  0.0000000000000000 22.0259245813922355   T   T   T
 -0.0000000000000023  1.7799635001738630  4.4051849241358934   T   T   T
 -0.0000000000000023  1.7799635001738630 14.4741790136863262   T   T   T
 -0.0000000000000023  1.7799635001738630 24.5431731041928494   T   T   T
  1.5414936089596325  0.8899817500869315 19.5086760601213136   T   T   T
  1.5414936089596325  0.8899817500869315  9.4396819700007946   T   T   T
  1.5414936089596325  0.8899817500869315  1.8879364017502471   T   T   T
  0.0000000000000000  0.0000000000000000 20.1379881898008826   T   T   T
  0.0000000000000000  0.0000000000000000 15.1034911450905387   T   T   T
  0.0000000000000000  0.0000000000000000 10.0689940996972336   T   T   T
  0.0000000000000000  0.0000000000000000  5.0344970557676127   T   T   T
 -0.0000000000000023  1.7799635001738630 22.6552367121414697   T   T   T
 -0.0000000000000023  1.7799635001738630 12.5862426216924295   T   T   T
 -0.0000000000000023  1.7799635001738630  2.5172485320613118   T   T   T
  1.5414936089596325  0.8899817500869315  7.5517455784364786   T   T   T
  1.5414936089596325  0.8899817500869315 25.1724852350221546   T   T   T
  1.5414936089596325  0.8899817500869315 17.6207396684138935   T   T   T