Si 
 1.0000000000000000
     6.5077414398940094   -0.0000000000000000   -0.0000000000000000
     0.0000000000000000    6.5077414398940094    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    3.9252890097195166
 Si 
   8
Selective dynamics
Cartesian
  5.3234357612686729  5.3234357612686747  0.0000000000000000   T   T   T
  1.1843056786253372  1.1843056786253372  0.0000000000000000   T   T   T
  1.1843056786253372  5.3234357612686738  0.0000000000000000   T   T   T
  5.3234357612686729  1.1843056786253372  0.0000000000000000   T   T   T
  2.0695650413216677  2.0695650413216682  1.9626445048597583   T   T   T
  4.4381763985723417  4.4381763985723426  1.9626445048597581   T   T   T
  4.4381763985723417  2.0695650413216673  1.9626445048597583   T   T   T
  2.0695650413216677  4.4381763985723426  1.9626445048597581   T   T   T