.5         0.0               2s2 2p 2P                2s2 2p 2P                      
   1.5      6990.6               2s2 2p 2P                2s2 2p 2P                      
   1.5    509330.   X            2p3 4S                   2p3 4S                         
   1.5    575430.                2p3 2D                   2p3 2D                         
   2.5    575450.                2p3 2D                   2p3 2D                         
    .5    646760.                2p3 2P                   2p3 2P                         
   1.5    647390.                2p3 2P                   2p3 2P                         
    .5   1992830.   X            2s2p(3P)3s 4P            sp3P)3s 4P                  
   1.5   1995140.   X            2s2p(3P)3s 4P            sp3P)3s 4P                  
   2.5   1999580.   X            2s2p(3P)3s 4P            sp3P)3s 4P                  
    .5   2031060.   ?            2s2p(3P)3s 2P            sp3P)3s 2P                  
   1.5   2035860.   ?            2s2p(3P)3s 2P            sp3P)3s 2P                  
    .5   2150900.   X            2s2p(3P)3d 4D            sp3P)3d 4D                  
   1.5   2150900.   X            2s2p(3P)3d 4D            sp3P)3d 4D                  
   2.5   2151360.   X            2s2p(3P)3d 4D            sp3P)3d 4D                  
   3.5   2153830.   X            2s2p(3P)3d 4D            sp3P)3d 4D                  
   1.5   2153700.                2s2p(3P)3d 2D            sp3P)3d 2D                  
   2.5   2154480.                2s2p(3P)3d 2D            sp3P)3d 2D                  
    .5          .                2s2p(1P)3s 2P            sp1P)3s 2P                  
   1.5   2158330.                2s2p(1P)3s 2P            sp1P)3s 2P                  
   2.5   2160920.   X?           2s2p(3P)3d 4P?           sp3P)3d 4P?                 
   1.5   2162100.   X?           2s2p(3P)3d 4P?           sp3P)3d 4P?                 
    .5          .                2s2p(3P)3d 4P?           sp3P)3d 4P?                 
   2.5   2188590.                2s2p(3P)3d 2F            sp3P)3d 2F                  
   3.5   2193190.                2s2p(3P)3d 2F            sp3P)3d 2F                  
   1.5   2199210.   ?            2s2p(3P)3d 2P            sp3P)3d 2P                  
    .5   2201790.   ?            2s2p(3P)3d 2P            sp3P)3d 2P                  
   2.5   2299900.   ?            2s2p(1P)3d 2F            sp1P)3d 2F                  
   3.5   2299900.   ?            2s2p(1P)3d 2F            sp1P)3d 2F                  
   1.5   2310530.   ?            2s2p(1P)3d 2D            sp1P)3d 2D                  
   2.5   2311390.   ?            2s2p(1P)3d 2D            sp1P)3d 2D