Si 
 1.0000000000000000
     6.4138329867717419    0.0000000000000000    0.0000000000000000
    -0.0000000000000000    6.4138329867717419   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    6.4138329867717419
 Si 
  12
Selective dynamics
Cartesian
  1.6034582466929348 -0.0000000000000000  3.2069164933858696   T   T   T
  4.8103747400788057 -0.0000000000000000  3.2069164933858696   T   T   T
  3.2069164933858696  1.6034582466929348 -0.0000000000000000   T   T   T
  3.2069164933858696  4.8103747400788057 -0.0000000000000000   T   T   T
 -0.0000000000000000  3.2069164933858696  1.6034582466929350   T   T   T
 -0.0000000000000000  3.2069164933858696  4.8103747400788057   T   T   T
 -0.0000000000000000  1.6034582466929348  3.2069164933858696   T   T   T
 -0.0000000000000000  4.8103747400788057  3.2069164933858696   T   T   T
  1.6034582466929348  3.2069164933858696 -0.0000000000000000   T   T   T
  4.8103747400788057  3.2069164933858696 -0.0000000000000000   T   T   T
  3.2069164933858696 -0.0000000000000000  4.8103747400788057   T   T   T
  3.2069164933858696 -0.0000000000000000  1.6034582466929350   T   T   T