Table 2
Comparison of calculated and observed excitation energies in Ni XVII in cm-1.
| State | ERCI | ENIST | ΔE |
|
|
|||
| 3s21S0 | 0 | 0 | |
|
264 431 | 264 431 | 0 |
|
272 650 | 272 634 | 16 |
|
293 707 | 293 686 | 21 |
|
401 590 | 401 302 | 288 |
| 3p23P0 | 628 065 | 627 914 | 151 |
| 3p21D2 | 639 086 | 638 820 | 266 |
| 3p23P1 | 643 914 | 643 807 | 107 |
| 3p23P2 | 669 689 | 669 535 | 154 |
| 3p21S0 | 755 195 | 754 513 | 682 |
| 3s3d 3D1 | 771 391 | 771 268 | 123 |
| 3s3d 3D2 | 773 061 | 772 953 | 108 |
| 3s3d 3D3 | 775 691 | 775 567 | 124 |
| 3s3d 1D2 | 865 079 | 864 465 | 614 |
|
1 054 212 | 1 053 937 | 275 |
|
1 068 917 | 1 068 632 | 285 |
|
1 081 412 | 1 081 126 | 286 |
|
1 086 391 | 1 086 107 | 284 |
|
1 115 712 | 1 115 521 | 191 |
|
1 118 619 | 1 118 392 | 227 |
|
1 133 959 | 1 133 775 | 184 |
|
1 136 049 | 1 135 732 | 317 |
|
1 136 356 | 1 136 123 | 233 |
|
1 136 892 | 1 136 643 | 249 |
|
1 209 617 | 1 209 017 | 600 |
|
1 223 592 | 1 222 730 | 862 |
| 3d23F2 | 1 558 116 | 1 557 900? | 216 |
| 3d23F3 | 1 560 874 | 1 560 490 | 384 |
| 3d23F4 | 1 564 179 | 1 563 822 | 357 |
| 3d21D2 | 1 595 636 | 1 594 821 | 815 |
| 3d23P0 | 1 598 455 | 1 597 400? | 1055 |
| 3d23P1 | 1 599 485 | 1 598 889 | 596 |
| 3d21G4 | 1 602 182 | 1 601 404 | 778 |
| 3d23P2 | 1 602 280 | 1 601 729 | 551 |
| 3d21S0 | 1 692 810 | ||
Notes. ERCI are energies that include low-frequency Breit, vacuum polarization, and self-energy corrections from present calculations. ENIST observed energies from the NIST Atomic Spectra Database (ver. 5.3; Kramida et al. 2015). Energies for all states in Ni XVII as well as energies for the ions Ca IX – As XXII and Kr XXV are available at the CDS.
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