Si 
 1.0000000000000000
     6.6514069198378314    0.0000000000000000    0.0000000000000000
     0.0000000000000000    6.6514069198378314    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    3.8875554014259497
 Si 
   8
Selective dynamics
Cartesian
  5.4454873803014969  5.4454873803014987  0.0000000000000000   T   T   T
  1.2059195395363298  1.2059195395363296  0.0000000000000000   T   T   T
  1.2059195395363298  5.4454873803014978  0.0000000000000000   T   T   T
  5.4454873803014969  1.2059195395363296  0.0000000000000000   T   T   T
  2.1197839203825843  2.1197839203825848  1.9437777007129744   T   T   T
  4.5316229994552435  4.5316229994552426  1.9437777007129744   T   T   T
  4.5316229994552435  2.1197839203825839  1.9437777007129744   T   T   T
  2.1197839203825843  4.5316229994552426  1.9437777007129744   T   T   T