C Si 
 1.0000000000000000
     3.0261292072955697   -0.0000000000000000    0.0000000000000000
    -1.5130646036477848    2.6207047686520286    0.0000000000000000
     0.0000000000000000    0.0000000000000000   14.8249449069816244
 C   Si 
   6   6
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  1.8547488612786120   T   T   T
 -0.0000000000000000  0.0000000000000000  9.2672213147694222   T   T   T
 -0.0000000000000008  1.7471365124346852 11.7380454661208411   T   T   T
  1.5130646036477848  0.8735682562173426  4.3255730126300298   T   T   T
 -0.0000000000000008  1.7471365124346852  6.7963971635716911   T   T   T
  1.5130646036477848  0.8735682562173426 14.2088696170624953   T   T   T
  0.0000000000000000 -0.0000000000000000  0.0016307478092380   T   T   T
  0.0000000000000000  0.0000000000000000  7.4141032013000476   T   T   T
 -0.0000000000000008  1.7471365124346852  9.8849273527073684   T   T   T
  1.5130646036477848  0.8735682562173426  2.4724548992165509   T   T   T
 -0.0000000000000008  1.7471365124346852  4.9432790503374440   T   T   T
  1.5130646036477848  0.8735682562173426 12.3557515038282535   T   T   T