Si 
 1.0000000000000000
     6.7155124133582724   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    6.7155124133582724    0.0000000000000000
     0.0000000000000000    0.0000000000000000    6.7155124133582724
 Si 
  12
Selective dynamics
Cartesian
  1.6788781033395681  0.0000000000000000  3.3577562066791362   T   T   T
  5.0366343100187043  0.0000000000000000  3.3577562066791362   T   T   T
  3.3577562066791362  1.6788781033395681  0.0000000000000000   T   T   T
  3.3577562066791362  5.0366343100187043  0.0000000000000000   T   T   T
 -0.0000000000000000  3.3577562066791362  1.6788781033395683   T   T   T
 -0.0000000000000000  3.3577562066791362  5.0366343100187043   T   T   T
 -0.0000000000000000  1.6788781033395681  3.3577562066791362   T   T   T
 -0.0000000000000000  5.0366343100187043  3.3577562066791362   T   T   T
  1.6788781033395681  3.3577562066791362  0.0000000000000000   T   T   T
  5.0366343100187043  3.3577562066791362  0.0000000000000000   T   T   T
  3.3577562066791362  0.0000000000000000  5.0366343100187043   T   T   T
  3.3577562066791362  0.0000000000000000  1.6788781033395683   T   T   T