| Element |
References Identification Prediction |
Configuration | Term | J | E(cm-1) | |
| ThLXIV | (87.3) | (87.3) | 3p6.3d9 | 2D | 5/2 | 0 |
| ThLXIV | (87.3) | (87.3) | 3p6.3d9 | 2D | 3/2 | 1 381 900 ± 3 900 |
| ThLXIV | (87.3) | (87.3) | 3p5.3d10 | 2P | 3/2 | 5 417 400 ± 1 500 |
| ThLXIV | (87.3) | (87.3) | 3p5.3d10 | 2P | 1/2 | 12 125 300 ± 7 000 |