Actinium (Ac)
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Persistent Lines of Neutral Actinium ( Ac I )
Int. Wavelength Aki Energy Configuration Term J Line Aki
(Å) (108s-1) Levels (cm-1) Ref. Ref.
400 3885.56 0.00 6d7s2 2D 3/2 MFT57
25729.03 6d7s(3D)7p 2P° 1/2
1000 4179.98 0.00 6d7s2 2D 3/2 MFT57
23916.84 6d7s(3D)7p 2F° 5/2
500 4183.12 0.00 6d7s2 2D 3/2 MFT57
23898.86 6d7s(3D)7p 4P° 5/2
400 4194.40 2231.43 6d7s2 2D 5/2 MFT57
26066.04 6d7s(1D)7p 2D° 3/2
300 4384.53 0.00 6d7s2 2D 3/2 MFT57
22801.10 6d7s(3D)7p 4P° 3/2
400 4396.71 2231.43 6d7s2 2D 5/2 MFT57
24969.30 6d7s(3D)7p 2F° 7/2
400 4462.73 0.00 6d7s2 2D 3/2 MFT57
22401.52 6d7s(3D)7p 4P° 1/2
300 4613.93 2231.43 6d7s2 2D 5/2 MFT57
23898.86 6d7s(3D)7p 4P° 5/2
500 4716.58 0.00 6d7s2 2D 3/2 MFT57
21195.87 6d7s(3D)7p 4D° 5/2
300 5258.24 0.00 6d7s2 2D 3/2 MFT57
19012.46 6d7s(3D)7p 4D° 3/2
300 6359.86 2231.43 6d7s2 2D 5/2 MFT57
17950.71 6d7s(3D)7p 2D° 5/2
200 6691.27 0.00 6d7s2 2D 3/2 MFT57
14940.72 6d7s(3D)7p 4F° 5/2
300 7290.40 0.00 6d7s2 2D 3/2 MFT57
13712.90 6d7s(3D)7p 4F° 3/2
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