Wavelength Energy Configuration Term J (Å) Levels (cm-1) 2162.25 0.0 6p5 2P° 3/2 46233.6 ? 6p4(3P)7s 4P 3/2 return 2244.01 0.0 6p5 2P° 3/2 44549.3 ? 6p4(3P)7s 4P 5/2 return