Si 
 1.0000000000000000
     8.3021532451536242    0.0000000000000000    0.0000000000000000
     0.0000000000000000    8.3021532451536242   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    8.3021532451536242
 Si 
  12
Selective dynamics
Cartesian
  2.0755383112884060 -0.0000000000000000  4.1510766225768121   T   T   T
  6.2266149338652212 -0.0000000000000000  4.1510766225768121   T   T   T
  4.1510766225768121  2.0755383112884060 -0.0000000000000000   T   T   T
  4.1510766225768121  6.2266149338652212 -0.0000000000000000   T   T   T
  0.0000000000000000  4.1510766225768121  2.0755383112884060   T   T   T
  0.0000000000000000  4.1510766225768121  6.2266149338652212   T   T   T
 -0.0000000000000000  2.0755383112884060  4.1510766225768121   T   T   T
  0.0000000000000000  6.2266149338652212  4.1510766225768121   T   T   T
  2.0755383112884060  4.1510766225768121 -0.0000000000000000   T   T   T
  6.2266149338652212  4.1510766225768121 -0.0000000000000000   T   T   T
  4.1510766225768121 -0.0000000000000000  6.2266149338652212   T   T   T
  4.1510766225768121 -0.0000000000000000  2.0755383112884060   T   T   T