H Si 
 1.0000000000000000
     3.7592049468202759   -0.0000000000000000   -0.0000000000000000
    -1.8796024734101380    3.2555669819784883   -0.0000000000000000
    -0.0000000000000000   -0.0000000000000000    4.6503723501234884
 H   Si 
   2   2
Selective dynamics
Cartesian
 -0.0000000187960268  2.1703779988375498  2.1287850089123972   T   T   T
  1.8796024546141137  1.0851890048447195  2.5215873412110983   T   T   T
 -0.0000000187960268  2.1703779988375498  0.3853316288775467   T   T   T
  1.8796024546141137  1.0851890048447195  4.2650407212459447   T   T   T