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Table 1
Electron configuration basis for the DW calculation and orbital scaling parameters for Fe ix.
| Configurations | Scaling parameters | ||||
| even | odd | ||||
|
|
|||||
| 3s2 3p6 | 3s2 3p5 3d | 1s: | 1.4171 | 2s: | 1.1241 |
| 3s 3p6 3d | 3s 3p5 3d2 | 2p: | 1.0672 | 3s: | 1.1499 |
| 3s2 3p4 3d2 | 3s2 3p5 4s | 3p: | 1.1294 | 3d: | 1.1371 |
| 3s2 3p5 4p | 3s2 3p5 4d | 4s: | 1.1524 | 4p: | 1.1254 |
| 3s 3p6 4s | 3s 3p6 4p | 4d: | 1.1308 | 4f: | 1.2586 |
| 3s 3p6 4d | 3s 3p6 4f | 5s: | 1.1667 | 5p: | 1.1366 |
| 3s2 3p5 4f | 3s2 3p5 5s | 5d: | 1.1650 | 5f: | 1.7195 |
| 3p6 3d2 | 3s2 3p5 5d | 5g: | 1.6330 | 6s: | 1.1935 |
| 3s2 3p5 5p | 3s2 3p5 5g | 6p: | 1.1871 | 6d: | 1.2061 |
| 3s2 3p5 5f | 3s2 3p5 6s | 6f: | 1.7170 | 6g: | 1.6577 |
| 3s2 3p5 6p | 3s2 3p5 6d | ||||
| 3s2 3p5 6f | 3s2 3p5 6g | ||||
| - - - - - - - - - - - - - - - - - - - - - - | |||||
| 3s2 3p4 3d 4s | 3s2 3p4 3d 4p | ||||
| 3s2 3p4 3d 4d | 3s2 3p4 3d 4f | ||||
| 3s 3p4 3d3 | 3s2 3p3 3d3 | ||||
| 3s 3p6 5s | 3p5 3d3 | ||||
| 3s 3p6 5d | 3s 3p6 5p | ||||
| 3s 3p6 5g | 3s 3p6 5f | ||||
| 3s2 3p4 3d 5s | 3s2 3p4 3d 5p | ||||
| 3s2 3p4 3d 5d | 3s2 3p4 3d 5f | ||||
| 3s2 3p4 3d 5g | 3s 3p5 3d 5s | ||||
| 3s 3p5 3d 5p | 3s 3p5 3d 5d | ||||
| 3s 3p5 3d 5f | 3s 3p5 3d 5g | ||||
| 3s 3p6 6s | 3s 3p6 6p | ||||
| 3s 3p6 6d | 3s 3p6 6f | ||||
| 3s 3p6 6g | 3s2 3p4 3d 6p | ||||
| 3s2 3p4 3d 6s | 3s2 3p4 3d 6f | ||||
| 3s2 3p4 3d 6d | 3s 3p5 3d 6s | ||||
| 3s2 3p4 3d 6g | 3s 3p5 3d 6d | ||||
| 3s 3p5 3d 6p | 3s 3p5 3d 6g | ||||
| 3s 3p5 3d 6f | 3s 3p5 3d 4s | ||||
| 3s2 3p2 3d4 | 3s 3p5 3d 4d | ||||
| 3s2 3p4 4p2 | |||||
| 3s 3p5 3d 4p | |||||
| 3s 3p5 3d 4f | |||||
Notes. The configurations below the dashed line are correlation configurations.
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