C Si 
 1.0000000000000000
     3.0827644884836380    0.0000000000000000    0.0000000000000000
    -1.5413822442418190    2.6697523609113705    0.0000000000000000
     0.0000000000000000    0.0000000000000000   10.0682666588784446
 C   Si 
   4   4
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  0.0000000183306674   T   T   T
  0.0000000000000000  0.0000000000000000  5.0341333477698917   T   T   T
 -0.0000000000000005  1.7798349072742470  7.5512000124720551   T   T   T
  1.5413822442418192  0.8899174536371235  2.5170666830328288   T   T   T
  0.0000000000000000 -0.0000000000000000  1.8878000168854563   T   T   T
 -0.0000000000000000  0.0000000000000000  6.9219333463246819   T   T   T
 -0.0000000000000005  1.7798349072742470  9.4390000110059926   T   T   T
  1.5413822442418192  0.8899174536371235  4.4048666815667641   T   T   T