Thorium Th IV

Odd levels
Even levels
5f 2F5/2 0
7p 2P1/2 60 239
6f 2F5/2 127 269
8p 2P1/2 134 517
7f 2F5/2 164 555
6d 2D3/2 9 193
7s 2S1/2 23 131
8s 2S1/2 119 622
7d 2D3/2 119 685
5g 2G9/2 159 371
9s 2S1/2 160 728
8d 2D3/2 161 954
6g 2G9/2 181 674
10s 2S1/2 182 441

Ionization limit: 231 065 ± 200 cm-1 (4) S.E.

  • (4) : P.F.A. Klinkenberg, Physica B-C, Netherlands,1988, 151, 552-67.