Si 
 1.0000000000000000
     6.1704654810228536    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.1704654810228599   -0.0000000000000001
     0.0000000000000000   -0.0000000000000001    4.2475991013230017
 Si 
   8
Selective dynamics
Cartesian
  5.0010923563380958  5.0010923563380976 -0.0000000000000001   T   T   T
  1.1693731246847601  1.1693731246847603 -0.0000000000000000   T   T   T
  1.1693731246847601  5.0010923563380967 -0.0000000000000001   T   T   T
  5.0010923563380958  1.1693731246847603 -0.0000000000000000   T   T   T
  1.9158596158266670  1.9158596158266674  2.1237995506615004   T   T   T
  4.2546058651961847  4.2546058651961856  2.1237995506615004   T   T   T
  4.2546058651961847  1.9158596158266665  2.1237995506615004   T   T   T
  1.9158596158266670  4.2546058651961856  2.1237995506615004   T   T   T