Energy Levels of Neutral Actinium ( Ac I )
Configuration Term J Level(cm-1) Ref.
6d7s2 2D 3/2 0.00 MFT57
6d7s2 2D 5/2 2231.43 MFT57
6d27s 4F 3/2 9217.28 MFT57
6d27s 4F 5/2 9863.59 MFT57
6d27s 4F 7/2 10906.02 MFT57
6d27s 4F 9/2 12078.07 MFT57
6d7s(3D)7p 4F° 3/2 13712.90 MFT57
6d7s(3D)7p 4F° 5/2 14940.72 MFT57
6d7s(3D)7p 4F° 7/2 17683.87 MFT57
6d7s(3D)7p 4D° 1/2 17199.71 MFT57
6d7s(3D)7p 4D° 3/2 19012.46 MFT57
6d7s(3D)7p 4D° 5/2 21195.87 MFT57
6d7s(3D)7p 4D° 7/2 23475.94 MFT57
6d7s(3D)7p 2D° 3/2 17736.26 MFT57
6d7s(3D)7p 2D° 5/2 17950.71 MFT57
6d7s(3D)7p 4P° 1/2 22401.52 MFT57
6d7s(3D)7p 4P° 3/2 22801.10 MFT57
6d7s(3D)7p 4P° 5/2 23898.86 MFT57
6d7s(3D)7p 2F° 5/2 23916.84 MFT57
6d7s(3D)7p 2F° 7/2 24969.30 MFT57
6d7s(3D)7p 2P° 1/2 25729.03 MFT57
6d7s(3D)7p 2P° 3/2 27009.84 MFT57
6d7s(1D)7p 2D° 3/2 26066.04 MFT57
6d7s(1D)7p 2D° 5/2 26533.16 MFT57
6d7s(1D)7p 2F° 5/2 26836.20 MFT57
6d7s(1D)7p 2F° 7/2 28568.40 MFT57
6d7s(1D)7p 2P° 3/2 30396.61 MFT57
6d2(3F)7p 4G° 5/2 31494.68 MFT57
6d2(3F)7p 4G° 7/2 32219.62 MFT57
6d2(3F)7p 4G° 9/2 32867.39 MFT57
6d2(3F)7p 4G° 11/2 33429.76 MFT57
Ac II (1S0) Limit 41700 S74