.5         0.                1s 2S                    1s 2S                    
    .5 [13935118.]               2s 2S                    2s 2S                    
    .5 [16519007.]               3s 2S                    3s 2S                    
   1.5 [16521993.]               3d 2D                    3d 2D                    
   2.5 [16523027.]               3d 2D                    3d 2D                    
    .5 [17422970.]               4s 2S                    4s 2S                    
   1.5 [17424229.]               4d 2D                    4d 2D                    
   2.5 [17424666.]               4d 2D                    4d 2D