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Table 6
Level energies for Fe viii.
| i | Conf. | Lev. | Eexp | Ecalc | |||
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| 1 | 3s2 3p6 3d | 2D3/2 | 0.0 | 0.0 | |||
| 2 | 3s2 3p6 3d | 2D5/2 | 1836 | 2038 ( − 202) | |||
| 3 | 3s2 3p5 3d2 | 4D1/2 | 391108 | 384967 (6141) | |||
| 4 | 3s2 3p5 3d2 | 4D3/2 | 391988 | 385994 (5994) | |||
| 5 | 3s2 3p5 3d2 | 4D5/2 | 393455 | 387729 (5726) | |||
| 6 | 3s2 3p5 3d2 | 4D7/2 | 395605 | 390297 (5308) | |||
| 7 | 3s2 3p5 3d2 | 4G11/2 | – | 408204 | |||
| 8 | 3s2 3p5 3d2 | 4G9/2 | – | 409793 | |||
| 9 | 3s2 3p5 3d2 | 4G7/2 | – | 411883 | |||
| 10 | 3s2 3p5 3d2 | 4P5/2 | – | 413481 | |||
| 11 | 3s2 3p5 3d2 | 4G5/2 | – | 414197 | |||
| 12 | 3s2 3p5 3d2 | 4P3/2 | – | 416763 | |||
| 13 | 3s2 3p5 3d2 | 4P1/2 | – | 419214 | |||
| 14 | 3s2 3p5 3d2 | 4F3/2 | – | 423625 | |||
| 15 | 3s2 3p6 4s | 2S1/2 | – | 424077 | |||
| 41 | 3s2 3p6 4p | 2P1/2 | 510277 | 509420 (857) | |||
| 42 | 3s2 3p6 4p | 2P3/2 | 515550 | 512194 (3356) | |||
| 43 | 3s2 3p5 3d2 | 2P3/2 | 508518 | 521315 ( − 12797) | |||
| 44 | 3s2 3p5 3d2 | 2P1/2 | 520822 | 531502 ( − 10680) | |||
| 45 | 3s2 3p5 3d2 | 2F5/2 | 535910 | 553736 ( − 17826) | |||
| 46 | 3s2 3p5 3d2 | 2F7/2 | 541755 | 559876 ( − 18121) | |||
| 47 | 3s2 3p5 3d2 | 2P1/2 | 591964 | 611822 ( − 19858) | |||
| 48 | 3s2 3p5 3d2 | 2P3/2 | 595152 | 614976 ( − 19824) | |||
| 49 | 3s2 3p5 3d2 | 2D5/2 | 596465 | 624968 ( − 28503) | |||
| 50 | 3s2 3p5 3d2 | 2D3/2 | 597065 | 625143 ( − 28078) | |||
| 51 | 3s2 3p6 4d | 2D3/2 | 653717 | 657978 ( − 4261) | |||
| 52 | 3s2 3p6 4d | 2D5/2 | 654197 | 658461 ( − 4264) | |||
| 53 | 3s2 3p6 4f | 2F5/2 | 763703 | 728932 (34771) | |||
| 54 | 3s2 3p6 4f | 2F7/2 | 763799 | 729150 (34649) | |||
| 61 | 3s2 3p5 3d 4s | 2P1/2 | 837661 | 839279 ( − 1618) | |||
| 62 | 3s2 3p5 3d 4s | 4F9/2 | – | 844540 | |||
| 63 | 3s2 3p5 3d 4s | 2P3/2 | 842829 | 844766 ( − 1937) | |||
| 64 | 3s2 3p5 3d 4s | 4F7/2 | 847145 | 847137 (8) | |||
| 65 | 3s2 3p5 3d 4s | 4F5/2 | 849899 | 849973 ( − 74) | |||
| 66 | 3s2 3p5 3d 4s | 4F3/2 | 852849 | 853003 ( − 154) | |||
| 67 | 3s2 3p5 3d 4s | 2F7/2 | 855100 | 856493 ( − 1393) | |||
| 68 | 3s2 3p5 3d 4s | 2F5/2 | 860615 | 862322 ( − 1707) | |||
| 69 | 3s2 3p5 3d 4s | 4D7/2 | 874711 | 878133 ( − 3422) | |||
| 70 | 3s2 3p6 5d | 2D3/2 | – | 878690 | |||
| 71 | 3s2 3p6 5d | 2D5/2 | – | 878916 | |||
| 72 | 3s2 3p5 3d 4s | 4D5/2 | 876765 | 880421 ( − 3656) | |||
| 73 | 3s2 3p5 3d 4s | 4D3/2 | 877476 | 881507 ( − 4031) | |||
| 74 | 3s2 3p5 3d 4s | 4D1/2 | 878264 | 882329 ( − 4065) | |||
| 75 | 3s2 3p5 3d 4s | 2D5/2 | 879021 | 884089 ( − 5068) | |||
| 76 | 3s2 3p5 3d 4s | 2D3/2 | 881345 | 886603 ( − 5258) | |||
| 77 | 3s2 3p5 3d 4s | 2F5/2 | 884331 | 888349 ( − 4018) | |||
| 78 | 3s2 3p5 3d 4s | 2F7/2 | 887325 | 890584 ( − 3259) | |||
| 79 | 3s2 3p5 3d 4s | 2D3/2 | 889113 | 893935 ( − 4822) | |||
| 80 | 3s2 3p5 3d 4s | 2D5/2 | 890845 | 895255 ( − 4410) | |||
| 81 | 3s2 3p6 5f | 2F5/2 | 927059 | 926655 (404) | |||
| 82 | 3s2 3p6 5f | 2F7/2 | 927102 | 926734 (368) | |||
| 90 | 3s2 3p6 6f | 2F5/2 | 1016560 | 1015284 (1276) | |||
| 91 | 3s2 3p6 6f | 2F7/2 | 1016570 | 1015322 (1248) | |||
| 103 | 3s2 3p6 7f | 2F5/2 | 1069873 | 1068877 (996) | |||
| 104 | 3s2 3p6 7f | 2F7/2 | 1070029 | 1068900 (1129) | |||
Notes. The columns provide: the experimental level energies Eexp (cm-1), those for the 23 configuration target (Table 5) Ecalc (cm-1). Values in parentheses indicate differences with the observed and theoretical energies. The full dataset is available at the CDS.
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