Index | Element | Z | I.S. | ¡÷E | Method | Ref. | Conf. | Level | |
1 | Fe | 26 | Si | 9302.5 | COMP | R121 | 3s23p2 | 3 P1 | |
2 | Fe | 26 | Si | 18561 | COMP | R121 | 3s23p2 | 3 P2 | |
3 | Fe | 26 | Si | 48069.1 | COMP | R121 | 3s23p2 | 1 D2 | |
4 | Fe | 26 | Si | 91510.2 | COMP | R121 | 3s23p2 | 1 S0 | |
5 | Fe | 26 | Si | 287205 | COMP | R121 | 3s3p3 | 3 D1 | |
6 | Fe | 26 | Si | 287360 | COMP | R121 | 3s3p3 | 3 D2 | |
7 | Fe | 26 | Si | 290210 | COMP | R121 | 3s3p3 | 3 D3 | |
8 | Fe | 26 | Si | 329647 | COMP | R121 | 3s3p3 | 3 P1 | |
9 | Fe | 26 | Si | 330279 | COMP | R121 | 3s3p3 | 3 P2 | |
10 | Fe | 26 | Si | 362330 | COMP | R121 | 3s23p2 | 1 D2 | |
11 | Fe | 26 | Si | 362330 | COMP | R121 | 3s3p3 | 1 D2 | |
12 | Fe | 26 | Si | 415462 | COMP | R121 | 3s3p3 | 3 S1 | |
13 | Fe | 26 | Si | 429400 | COMP | R121 | 3s23p3d | 3 F2 | |
14 | Fe | 26 | Si | 436400 | COMP | R121 | 3s23p3d | 3 F3 | |
15 | Fe | 26 | Si | 438050 | COMP | R121 | 3s3p3 | 1 P1 | |
16 | Fe | 26 | Si | 446900 | COMP | R121 | 3s23p3d | 3 F4 | |
17 | Fe | 26 | Si | 486358 | COMP | R121 | 3s23p3d | 3 P2 | |
18 | Fe | 26 | Si | 494942 | COMP | R121 | 3s23p3d | 3 P1 | |
19 | Fe | 26 | Si | 498870 | COMP | R121 | 3s23p3d | 1 D2 | |
20 | Fe | 26 | Si | 503340 | COMP | R121 | 3s23p3d | 3 P0 |
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Noted that here
'I.S.' ---------- the isoelectronic sequence
'Z' ---------- atomic number
'Conf.' ---------- configuration
'Level' ---------- the notation of energy level
'E' ---------- the value of the energy level
'¡÷E' ---------- error for energy level
'Method' ---------- the method by which the data is produced
'Ref.' ---------- the reference