   #io    spec    l    m    z  sym
    0      Si    0    0    1              s
    0      Si    0    0    2              s
    0      Si    1    0    1             pz
    0      Si    1    1    1             px
    0      Si    1    2    1             py
    0      Si    1    0    2             pz
    0      Si    1    1    2             px
    0      Si    1    2    2             py
    0      Si    2    0    1      dz^2
    0      Si    2    1    1            dxz
    0      Si    2    2    1            dyz
    0      Si    2    3    1       dx^2-y^2
    0      Si    2    4    1            dxy
    1      Si    0    0    1              s
    1      Si    0    0    2              s
    1      Si    1    0    1             pz
    1      Si    1    1    1             px
    1      Si    1    2    1             py
    1      Si    1    0    2             pz
    1      Si    1    1    2             px
    1      Si    1    2    2             py
    1      Si    2    0    1      dz^2
    1      Si    2    1    1            dxz
    1      Si    2    2    1            dyz
    1      Si    2    3    1       dx^2-y^2
    1      Si    2    4    1            dxy


   #io =Orbital index in supercell
 #spec =Atomic species label
    #l =Angular mumentum quantum number
    #m =Magnetic quantum number
    #z =Zeta index of orbital
  #sym =Symmetry name of real orbital
