Open Access
Table 1
Comparison of energy levels (in eV) from present FAC calculations and NIST (Kramida et al. 2024) for selected ions.
| Ion | State | FAC | NIST (Kramida et al. 2024) |
|---|---|---|---|
| Y+ | 4d5s2 2D3/2 (Y) | 0 | 0 |
| 5s2 1S0 | 4.728 | 6.217 | |
| 4d5s 3D1 | 4.978 | 6.321 | |
| 4d5s 3D2 | 4.994 | 6.347 | |
| 4d5s 3D3 | 5.021 | 6.397 | |
| 5s5p 3P°0 | 7.626 | 9.124 | |
| 5s5p 3P°1 | 7.637 | 9.165 | |
| 5s5p 3P°2 | 7.638 | 9.273 | |
| Sr+ | 5s2 1S0 (Sr) | 0 | 0 |
| 4p65s 2S1/2 | 4.603 | 5.695 | |
| 4p64d 2D3/2 | 6.878 | 7.500 | |
| 4p64d 2D5/2 | 6.879 | 7.534 | |
| 4p65p 2P°1/2 | 7.279 | 8.635 | |
| 4p65p 2P°3/2 | 7.360 | 8.735 | |
| Te2+ | 5s25p3 4S°3/2 (Te+) | 0 | 0 |
| 5s25p2 3P0 | 17.798 | 18.600 | |
| 5s25p2 3P1 | 18.274 | 19.189 | |
| 5s25p2 3P2 | 18.740 | 19.612 | |
| 5s25p5d 3D°1 | 31.560 | 32.950 | |
| 5s25p5d 3D°3 | 32.466 | 33.589 | |
| 5s25p5d 3D°2 | 31.872 | 33.789 | |
| 5s25p5d 3P°0 | 32.581 | -- | |
| 5s25p5d 3P°2 | 32.665 | 33.070 | |
| 5s25p5d 3P°1 | 32.628 | 33.204 | |
| Ce2+ | 4f5d2 4H°7/2 (Ce+) | 0 | 0 |
| 4f2 3H4 | 12.388 | 10.956 | |
| 4f2 3H5 | 12.498 | 11.145 | |
| 4f2 3H6 | 12.642 | 11.344 | |
| 4f5d 1G°4 | 10.701 | 11.362 | |
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