C Si 
 1.0000000000000000
     3.0554506061635260    0.0000000000000000    0.0000000000000000
    -1.5277253030817630    2.6460978449461763    0.0000000000000000
    -0.0000000000000000   -0.0000000000000000   14.9685898381490112
 C   Si 
   6   6
Selective dynamics
Cartesian
 -0.0000000000000000 -0.0000000000000000  1.8727202786384887   T   T   T
  0.0000000000000000 -0.0000000000000000  9.3570151977129949   T   T   T
 -0.0000000000000003  1.7640652299641175 11.8517801709297785   T   T   T
  1.5277253030817639  0.8820326149820588  4.3674852518552720   T   T   T
 -0.0000000000000003  1.7640652299641175  6.8622502246374477   T   T   T
  1.5277253030817639  0.8820326149820588 14.3465451437119533   T   T   T
  0.0000000000000000 -0.0000000000000000  0.0016465489221964   T   T   T
 -0.0000000000000000  0.0000000000000000  7.4859414679966996   T   T   T
 -0.0000000000000003  1.7640652299641175  9.9807064410423330   T   T   T
  1.5277253030817639  0.8820326149820588  2.4964115219678287   T   T   T
 -0.0000000000000003  1.7640652299641175  4.9911764950656599   T   T   T
  1.5277253030817639  0.8820326149820588 12.4754714141401664   T   T   T