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