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Table 2
Level energies for Fe ix.
| i | Conf. | Lev. | Eexp | Ecalc | |||
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| 1 | 3s2 3p6 | 1S0 | 0.0 | 0.0 | |||
| 2 | 3s2 3p5 3d | 3P0 | 405772.0 | 412902 ( − 7130) | |||
| 3 | 3s2 3p5 3d | 3P1 | 408315.1 | 415718 ( − 7403) | |||
| 4 | 3s2 3p5 3d | 3P2 | 413669.2 | 421482 ( − 7813) | |||
| 5 | 3s2 3p5 3d | 3F4 | 425809.8 | 435212 ( − 9402) | |||
| 6 | 3s2 3p5 3d | 3F3 | 429310.9 | 438647 ( − 9336) | |||
| 7 | 3s2 3p5 3d | 3F2 | 433818.8 | 443252 ( − 9433) | |||
| 8 | 3s2 3p5 3d | 3D3 | 455612.2 | 465650 ( − 10038) | |||
| 9 | 3s2 3p5 3d | 1D2 | 456752.7 | 467102 ( − 10349) | |||
| 10 | 3s2 3p5 3d | 3D1 | 460616.0 | 470561 ( − 9945) | |||
| 11 | 3s2 3p5 3d | 3D2 | 462616.6 | 473000 ( − 10383) | |||
| 12 | 3s2 3p5 3d | 1F3 | 465828.4 | 476321 ( − 10493) | |||
| 13 | 3s2 3p5 3d | 1P1 | 584546 | 601508 ( − 16962) | |||
| 14 | 3s 3p6 3d | 3D1 | 726734 | 737860 ( − 11126) | |||
| 15 | 3s 3p6 3d | 3D2 | 727560 | 738828 ( − 11268) | |||
| 16 | 3s 3p6 3d | 3D3 | 728935 | 740423 ( − 11488) | |||
| 17 | 3s 3p6 3d | 1D2 | 749871 | 761945 ( − 12074) | |||
| 94 | 3s2 3p4 3d2 | 3G4 | 955790 | 982417 ( − 26627) | |||
| 95 | 3s2 3p4 3d2 | 3G5 | 956322 | 982823 ( − 26501) | |||
| 96 | 3s2 3p4 3d2 | 3G3 | 956787 | 983911 ( − 27124) | |||
| 97 | 3s2 3p5 4s | 3P1 | 950498 | 989102 ( − 38604) | |||
| 107 | 3s2 3p5 4s | 1P1 | 965568 | 1004712 ( − 39144) | |||
| 140 | 3s2 3p5 4p | 1S0 | 1089949 | 1126230 ( − 36281) | |||
| 196 | 3s2 3p5 4d | 1P1 | 1198222 | 1240063 ( − 41841) | |||
| 210 | 3s2 3p5 4d | 3D1 | 1213150 | 1254981 ( − 41831) | |||
| 237 | 3s2 3p5 4f | 3D1 | 1300923 | 1344314 ( − 43391) | |||
| 238 | 3s2 3p5 4f | 3D2 | 1302841 | 1346283 ( − 43442) | |||
| 239 | 3s2 3p5 4f | 3G5 | 1304598 | 1348616 ( − 44018) | |||
| 241 | 3s2 3p5 4f | 3D3 | 1305762 | 1349426 ( − 43664) | |||
| 243 | 3s2 3p5 4f | 3G4 | 1306319 | 1350544 ( − 44225) | |||
| 245 | 3s2 3p5 4f | 3G3 | 1310158 | 1354494 ( − 44336) | |||
| 246 | 3s2 3p5 4f | 1G4 | 1311755 | 1356693 ( − 44938) | |||
| 247 | 3s2 3p5 4f | 3F2 | 1316758 | 1362088 ( − 45330) | |||
| 250 | 3s2 3p5 4f | 1F3 | 1323657 | 1368060 ( − 44403) | |||
| 253 | 3s2 3p5 4f | 3F3 | 1324715 | 1369302 ( − 44587) | |||
| 254 | 3s2 3p5 4f | 3F4 | 1324876 | 1369536 ( − 44660) | |||
| 256 | 3s2 3p5 4f | 1D2 | 1331244 | 1376065 ( − 44821) | |||
| 261 | 3s 3p6 4p | 1P1 | 1371910 | 1397410 ( − 25500) | |||
| 263 | 3s2 3p5 5s | 1P1 | 1358363 | 1401819 ( − 43456) | |||
| 265 | 3s2 3p5 5s | 3P1 | 1372683 | 1415509 ( − 42826) | |||
| 302 | 3s2 3p5 5f | 3G5 | 1513000 | 1567244 ( − 54244) | |||
| 305 | 3s2 3p5 5f | 3G4 | 1516500 | 1568654 ( − 52154) | |||
| 308 | 3s2 3p5 5f | 1F3 | 1519790 | 1570945 ( − 51154) | |||
| 311 | 3s2 3p5 5f | 3F4 | 1518650 | 1572181 ( − 53531) | |||
| 316 | 3s2 3p5 5f | 3F2 | 1523654 | 1575726 ( − 52072) | |||
| 318 | 3s2 3p5 5f | 3F3 | 1531107 | 1584992 ( − 53885) | |||
| 319 | 3s2 3p5 5f | 1G4 | 1534318 | 1585696 ( − 51377) | |||
Notes. The columns provide: our experimental level energies Eexp (cm-1), those for the 67 configuration target (Table 1) Ecalc (cm-1). Values in parentheses indicate differences between the observed and theoretical energies. The full dataset is available at the CDS.
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