.5         0.                1s2 2s 2S                1s2 2s 2S             
    .5   8518000.                1s2 3s 2S                1s2 3s 2S             
   1.5   8691000.                1s2 3d 2D                1s2 3d 2D             
   1.5  11530000.                1s2 4d 2D                1s2 4d 2D             
   2.5   8708000.                1s2 3d 2D                1s2 3d 2D             
   2.5  11530000.                1s2 4d 2D                1s2 4d 2D