Protactinium (Pa)
Energy Levels of Singly Ionized Protactinium ( Pa II )
Configuration Term J Level(cm-1) Ref.
5f27s2 3H 4 0.000 BW92b
5f26d7s 5K 5 823.265 BW92b
5f26d7s 5I 4 1744.800 BW92b
5f26d7s 5K 6 1764.365 BW92b
5f26d7s 5G 2 2232.135 BW92b
5f26d7s 5I 5 2555.865 BW92b
5f26d7s 5H? 3 3078.285 BW92b
5f27s2 3F 2 3150.950 BW92b
5f26d7s 5H 3 4011.455 BW92b
5f27s2 3H 5 4447.575 BW92b
5f26d7s 5H 4 4555.030 BW92b
5f26d7s 3I? 5 4716.445 BW92b
5f6d27s 5I° 4 4751.660 BW92b
5f26d7s 4 4895.130 BW92b
5f26d7s 3K 6 4924.960 BW92b
5f6d27s ° 3 5088.230 BW92b
5f26d7s 5K 7 5458.850 BW92b
° 5 23533.415 BW92b
° 5 25469.955 BW92b
° 7 30717.935 BW92b
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Pa III (5f2(3H)6d 4I°11/2) Limit
