Configuration Term J Level(cm-1) Ref.
3s 2S 1/2 0.000 MZ81 3p 2P° 1/2 16956.172 MZ81 3p 2P° 3/2 16973.368 MZ81 4s 2S 1/2 25739.991 MZ81 3d 2D 5/2 29172.839 MZ81 3d 2D 3/2 29172.889 MZ81 4p 2P° 1/2 30266.99 MZ81 4p 2P° 3/2 30272.58 MZ81 4f 2F° 5/2,7/2 34586.92 MZ81 5p 2P° 1/2 35040.38 MZ81 5p 2P° 3/2 35042.85 MZ81 Na II 2s2 2p6 (1S0) Limit 41449.451 BBLB98