Wavelength Energy Configuration Term J (Å) Levels (cm-1)
4225.655 0.000 7s 2S 1/2 23658.306 8p 2P 3/2 return 4325.361 0.000 7s 2S 1/2 23112.960 8p 2P° 1/2 return 7179.866 0.000 7s 2S 1/2 13923.998 7p 2P° 3/2 return 8169.418 0.000 7s 2S 1/2 12237.409 7p 2P° 1/2 return