Si 
 1.0000000000000000
     6.5552204455000123    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.5552204455000123   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.0637048034477905
 Si 
   8
Selective dynamics
Cartesian
  5.3664221271133812  5.3664221271133830 -0.0000000000000000   T   T   T
  1.1887983183866313  1.1887983183866317 -0.0000000000000000   T   T   T
  1.1887983183866313  5.3664221271133812 -0.0000000000000000   T   T   T
  5.3664221271133812  1.1887983183866317 -0.0000000000000000   T   T   T
  2.0888119043633746  2.0888119043633750  2.0318524017238948   T   T   T
  4.4664085411366390  4.4664085411366390  2.0318524017238948   T   T   T
  4.4664085411366390  2.0888119043633742  2.0318524017238948   T   T   T
  2.0888119043633746  4.4664085411366390  2.0318524017238948   T   T   T