Actinium (Ac)
Energy Levels of Singly Ionized Actinium ( Ac II )
Configuration Term J Level(cm-1) Ref.
7s2 1S 0 0.00 MFT57
6d7s 3D 1 4739.63 MFT57
2 5267.16 MFT57
3 7426.52 MFT57
6d7s 1D 2 9087.54 MFT57
6d2 3F 2 13236.46 MFT57
3 14949.21 MFT57
4 16756.90 MFT57
6d2 3P 0 17737.10 MFT57
1 19015.32 MFT57
2 22199.45 MFT57
6d2 1D 2 19203.02 MFT57
6d2 1G 4 20848.23 MFT57
7s7p 3P° 0 20956.40 MFT57
1 22180.52 MFT57
2 26446.96 MFT57
6d7p 3F° 2 28201.11 MFT57
6d7p ° 1 29250.40 MFT57
5f7s 1F° 3 29881.09 MFT57
6d7p ° 3 31174.60 MFT57
6d7p 1D° 2 31878.87 MFT57
5f7s 3F° 4 32965.55 MFT57
6d7p 3D° 2 33304.96 MFT57
1 33388.61 MFT57
3 36144.35 MFT57
-------------------------------------------
Ac III (7s 2S1/2) Limit 94800 MHRS74
