Si 
 1.0000000000000000
     7.9052745457936764   -0.0000000000000001    0.0000000000000000
    -3.9526372728968382    6.8461685805478130    0.0000000000000000
     0.0000000000000000    0.0000000000000000    7.3499999896738624
 Si 
   1
Selective dynamics
Cartesian
  0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T