Si 
 1.0000000000000000
    15.5563491861018210   -0.0000000000000000   -0.0000000000000000
    -0.0000000000000000   15.5563491861018210   -0.0000000000000000
     0.0000000000000000   -0.0000000000000000   15.5563491861018210
 Si 
  12
Selective dynamics
Cartesian
  3.8890872965254597 -0.0000000000000000  7.7781745930509194   T   T   T
 11.6672618895763645 -0.0000000000000000  7.7781745930509194   T   T   T
  7.7781745930509194  3.8890872965254597 -0.0000000000000000   T   T   T
  7.7781745930509194 11.6672618895763645 -0.0000000000000000   T   T   T
 -0.0000000000000000  7.7781745930509194  3.8890872965254601   T   T   T
  0.0000000000000000  7.7781745930509194 11.6672618895763645   T   T   T
  0.0000000000000000  3.8890872965254597  7.7781745930509194   T   T   T
  0.0000000000000000 11.6672618895763645  7.7781745930509194   T   T   T
  3.8890872965254597  7.7781745930509194 -0.0000000000000000   T   T   T
 11.6672618895763645  7.7781745930509194 -0.0000000000000000   T   T   T
  7.7781745930509194 -0.0000000000000000 11.6672618895763645   T   T   T
  7.7781745930509194 -0.0000000000000000  3.8890872965254601   T   T   T