H Si 
 1.0000000000000000
     3.7589442046340902   -0.0000000000000000   -0.0000000000000000
    -1.8794721023170451    3.2553411726214145   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.6527340918798741
 H   Si 
   2   2
Selective dynamics
Cartesian
 -0.0000000187947233  2.1702274592654143  2.1289003962829072   T   T   T
  1.8794720835223229  1.0851137350582762  2.5238336955969656   T   T   T
 -0.0000000187947233  2.1702274592654143  0.3853934303591418   T   T   T
  1.8794720835223229  1.0851137350582762  4.2673406615207305   T   T   T