| Element |
References Discovery Identification |
Configuration | Term | J | E(cm-1) | g | |
| ThIVe | (36.1) | (36.1) | 6p6(1S).6d | 2D | 3/2 | 9 193.245 (83.9) | |
| ThIVe | (36.1) | (36.1) | 6p6(1S).6d | 2D | 5/2 | 14 486.34 (76.13) | 1.14? |
| ThIVe | (36.1) | (36.1) | 6p6(1S).7s | 2S | 1/2 | 23 130.75 | 2.024 |
| ThIVe | (36.1) | (49.4) | 6p6(1S).8s | 2S | 1/2 | 119 621.60 | 2.03 |
| ThIVe | (36.1) | (36.1) | 6p6(1S).7d | 2D | 3/2 | 119 684.60 | 0.81 |
| ThIVe | (36.1) | (36.1) | 6p6(1S).7d | 2D | 5/2 | 121 427.10 | 1.23 |
| ThIVe | (88.8) | (88.8) | 6p6(1S).5g | 2G | 9/2 | 159 371 | |
| ThIVe | (88.8) | (88.8) | 6p6(1S).5g | 2G | 7/2 | 159 390 | |
| ThIVe | (unp.13) | (unp.13) | 6p6(1S.)9s | 2S | 1/2 | 160 728.10 | |
| ThIVe | (unp.13) | (unp.13) | 6p6(1S).8d | 2D | 3/2 | 161 954 | |
| ThIVe | (unp.13) | (unp.13) | 6p6(1S).8d | 2D | 5/2 | 162 527.8 | |
| ThIVe | (88.8) | (88.8) | 6p6(1S).6g | 2G | 9/2 | 181 674 | |
| ThIVe | (88.8) | (88.8) | 6p6(1S).6g | 2G | 7/2 | 181 675 | |
| ThIVe | (88.8) | (88.8) | 6p6(1S).10s | 2S | 1/2 | 182 441 | |