Si 
 1.0000000000000000
     6.6868834975280596    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.6868834975280622    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    4.0328013706796222
 Si 
   8
Selective dynamics
Cartesian
  5.4799127360697355  5.4799127360697311  0.0000000000000000   T   T   T
  1.2069707614583245  1.2069707614583245  0.0000000000000000   T   T   T
  1.2069707614583245  5.4799127360697302  0.0000000000000000   T   T   T
  5.4799127360697355  1.2069707614583245  0.0000000000000000   T   T   T
  2.1364709873057044  2.1364709873057026  2.0164006853398111   T   T   T
  4.5504125102223574  4.5504125102223556  2.0164006853398111   T   T   T
  4.5504125102223574  2.1364709873057017  2.0164006853398111   T   T   T
  2.1364709873057044  4.5504125102223556  2.0164006853398111   T   T   T