Si 
 1.0000000000000000
     5.4304977657301041   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000    5.4304977657301041    0.0000000000000000
     0.0000000000000000    0.0000000000000000    5.4304977657301041
 Si 
   8
Selective dynamics
Cartesian
  0.0000000000000000 -0.0000000000000000  0.0000000000000000   T   T   T
 -0.0000000000000000  2.7152488828650516  2.7152488828650516   T   T   T
  2.7152488828650516  2.7152488828650516  0.0000000000000000   T   T   T
  2.7152488828650516  0.0000000000000000  2.7152488828650516   T   T   T
  4.0728733242975776  1.3576244414325258  4.0728733242975776   T   T   T
  1.3576244414325256  1.3576244414325258  1.3576244414325256   T   T   T
  1.3576244414325256  4.0728733242975776  4.0728733242975776   T   T   T
  4.0728733242975776  4.0728733242975776  1.3576244414325256   T   T   T