Persistent Lines of Neutral Boron ( B I )

Wavelength  Energy         Configuration  Term   J  
   (Å)      Levels (cm-1)

 1825.894        0.000     2s22p          2P°    1/2
             54767.698     2s23d          2D     3/2
  return
 
 1826.400       15.287     2s22p          2P°    3/2
             54767.844     2s23d          2D     5/2
  return
 
 2088.889        0.000     2s22p          2P°    1/2
             47857.127     2s2p2          2D     3/2
  return
 
 2089.570       15.287     2s22p          2P°    3/2
             47856.807     2s2p2          2D     5/2
  return
 
 2496.769        0.000     2s22p          2P°    1/2
             40039.695     2s23s          2S     1/2
  return
 
 2497.722       15.287     2s22p          2P°    3/2
             40039.695     2s23s          2S     1/2
  return
 
11660.028    40039.695     2s23s          2S     1/2
             48613.655     2s23p          2P°    3/2
  return
 
11662.452    40039.695     2s23s          2S     1/2
             48611.872     2s23p          2P°    1/2
  return