Si 
 1.0000000000000000
     4.5463473997231416    0.0000000000000000   -0.0000000000000000
     0.0000000000000000    4.5463473997231425    0.0000000000000000
    -0.0000000000000000    0.0000000000000000    2.8388130243372993
 Si 
   4
Selective dynamics
Cartesian
 -0.0000000000000000  0.0000000000000000  0.0000000000000000   T   T   T
  2.2731736998615699  2.2731736998615708  1.4194065121686494   T   T   T
 -0.0000000000000000  2.2731736998615708  0.7097032560843247   T   T   T
  2.2731736998615699  0.0000000000000000  2.1291097682529743   T   T   T