C Si 
 1.0000000000000000
     3.0827644885216996    0.0000000000000000    0.0000000000000000
    -1.5413822442608498    2.6697523609443339    0.0000000000000000
     0.0000000000000000    0.0000000000000000   15.1023999883516709
 C   Si 
   6   6
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  1.8894612666612245   T   T   T
 -0.0000000000000000  0.0000000000000000  9.4406612608370608   T   T   T
 -0.0000000000000011  1.7798349072962221 11.9577279255010396   T   T   T
  1.5413822442608496  0.8899174536481110  4.4065279313252086   T   T   T
 -0.0000000000000011  1.7798349072962221  6.9235945960771108   T   T   T
  1.5413822442608496  0.8899174536481110 14.4747945902529480   T   T   T
  0.0000000000000000  0.0000000000000000  0.0016612681027307   T   T   T
  0.0000000000000000  0.0000000000000000  7.5528612622785634   T   T   T
 -0.0000000000000011  1.7798349072962221 10.0699279269815598   T   T   T
  1.5413822442608496  0.8899174536481110  2.5187279328057306   T   T   T
 -0.0000000000000011  1.7798349072962221  5.0357945975602005   T   T   T
  1.5413822442608496  0.8899174536481110 12.5869945917360280   T   T   T