Actinium Ac III even

Element	References Discovery    Identification		Configuration	Term	J	E(cm-1)
AcIIIe	(57.3)	(57.3)	7s	2S	1/2	0.0
AcIIIe	(57.3)	(57.3)	6d	2D	3/2	801.0
AcIIIe	(57.3)	(57.3)	6d	2D	5/2	4 203.9