Table 1: Target levels of Fe XIII and their threshold energies (in Ryd).
Index Configuration Level Expt.a GRASPb GRASPc CIV3d

1......
3s23p2 3P0 0.0000 0.0000 0.0000 0.0000
2...... 3s23p2 3P1 0.0848 0.0835 0.0835 0.0768
3...... 3s23p2 3P2 0.1691 0.1700 0.1693 0.1582
4...... 3s23p2 1D2 0.4380 0.4629 0.4570 0.4366
5...... 3s23p2 1S0 0.8339 0.8497 0.8513 0.8612
6...... 3s3p3 5S02   1.9719 1.8987  
7...... 3s3p3 3D01 2.6172 2.7427 2.6004 2.5978
8...... 3s3p3 3D02 2.6186 2.7437 2.6017 2.5982
9...... 3s3p3 3D03 2.6445 2.7683 2.6271 2.6212
10...... 3s3p3 3P00   3.1533 2.9915 2.9906
11...... 3s3p3 3P01 3.0040 3.1595 2.9978 2.9956
12...... 3s3p3 3P02 3.0097 3.1649 3.0033 2.9910
13...... 3s3p3 1D02 3.3017 3.5222 3.3084 3.2968
14...... 3s23p3d 3F02   4.1285 3.9508 3.9906
15...... 3s3p3 3S01 3.7860 4.1498 3.8485 3.8390
16...... 3s23p3d 3F03   4.1901 4.0120 4.0500
17...... 3s23p3d 3F04   4.2822 4.1025 4.1366
18...... 3s3p3 1P01 3.9918 4.3144 4.0650 4.0348
19...... 3s23p3d 3P02 4.4320 4.7668 4.5045 4.4884
20...... 3s23p3d 3P01 4.5102 4.8245 4.5788 4.5594
21...... 3s23p3d 3P00 4.5867 4.8765 4.6310 4.6076
22...... 3s23p3d 1D02 4.5460 4.9284 4.6237 4.5960
23...... 3s23p3d 3D01 4.6156 4.9392 4.6924 4.6642
24...... 3s23p3d 3D02 4.6406 4.9689 4.7194 4.6918
25...... 3s23p3d 3D03 4.6400 4.9694 4.7219 4.6968
26...... 3s23p3d 1F03 5.0745 5.4286 5.1884 5.2120
27...... 3p4 3P2   5.5487 5.5444  
28...... 3s23p3d 1P01 5.2005 5.5975 5.3014 5.2694
29...... 3p4 3P1   5.6581 5.6547  
30...... 3p4 3P0   5.6877 5.6844  
31...... 3s3p23d 5F1   5.7727 5.7591  
32...... 3s3p23d 5F2   5.7924 5.7792  
33...... 3p4 1D2   5.7955 5.7830  
34...... 3s3p23d 5F3   5.8246 5.8116  
35...... 3s3p23d 5F4   5.8698 5.8569  
36...... 3s3p23d 5F5   5.9286 5.9151  
37...... 3s3p23d 5D0   5.9856 5.9873  
38...... 3s3p23d 5D1   5.9911 5.9924  
39...... 3s3p23d 5D2   6.0016 6.0024  
40...... 3s3p23d 5D3   6.0179 6.0183  
41...... 3s3p23d 5D4   6.0444 6.0456  
42...... 3s3p2(1D)3d 3F2   6.2614 6.2600  
43...... 3s3p2(1D)3d 3F3   6.3008 6.2996  
44...... 3s3p2(1D)3d 3F4   6.3595 6.3587  
45...... 3s3p23d 5P3   6.4703 6.4298  
46...... 3s3p23d 5P2   6.5030 6.4626  
47...... 3s3p23d 5P1   6.5227 6.4821  
48...... 3p4 1S0   6.6097 6.6104  
49...... 3s3p2(3P)(4P)3d 3P2   6.7648 6.7631  
50...... 3s3p2(3P)(4P)3d 3P1   6.8482 6.8462  
51...... 3s3p2(3P)(4P)3d 3P0   6.9048 6.9047  
52...... 3s3p23d 3G3   7.0072 6.9720  
53...... 3s3p23d 3G4   7.0220 6.9868  
54...... 3s3p23d 3G5   7.0414 7.0060  
55...... 3s3p2(3P)(4P)3d 3D1   7.0666 7.0097  
56...... 3s3p2(3P)(4P)3d 3D2   7.0752 7.0186  
57...... 3s3p2(3P)(4P)3d 3D3   7.0921 7.0339  
58...... 3s3p23d 1G4   7.1333 7.1225  
59...... 3s3p2(1D)3d 1F3   7.2445 7.2348  
60...... 3s3p2(3P)(4P)3d 3F2   7.3369 7.3136  
61...... 3s3p2(3P)(4P)3d 3F3   7.3838 7.3622  
62...... 3s3p2(1D)3d 3D1   7.3972 7.3870  
63...... 3s3p2(1D)3d 3D2   7.4209 7.4109  
64...... 3s3p2(3P)(4P)3d 3F4   7.4509 7.4280  
65...... 3s3p2(1D)3d 3P0   7.4676 7.4415  
66...... 3s3p2(1D)3d 3D3   7.4687 7.4609  
67...... 3s3p2(1D)3d 3P1   7.4842 7.4587  
68...... 3s3p2(1D)3d 3P2   7.5160 7.4910  
69...... 3s3p2(3P)3d 1P1   7.5402 7.5333  
70...... 3s3p23d 3S1   7.6629 7.6561  
71...... 3s3p2(1S)3d 3D1   7.7297 7.6830  
72...... 3s3p2(1S)3d 3D2   7.7356 7.6721  
73...... 3s3p2(1S)3d 3D3   7.7962 7.7111  
74...... 3s3p2(3P)(2P)3d 3F2   7.8615 7.8205  
75...... 3s3p2(3P)(2P)3d 3F3   7.9025 7.8650  
76...... 3s3p2(3P)(2P)3d 3F4   7.9385 7.8993  
77...... 3s3p2(1D)3d 1D2   7.9594 7.9241  
78...... 3s3p2(3P)(2P)3d 3D3   8.1752 8.1095  
79...... 3s3p2(3P)(2P)3d 3D2   8.2051 8.1212  
80...... 3s3p2(3P)(2P)3d 3D1   8.2295 8.1344  
81...... 3s3p2(1S)3d 1D2   8.2398 8.1926  
82...... 3s3p2(1D)3d 1P1   8.3951 8.3257  
83...... 3s3p23d 1S0   8.3971 8.3913  
84...... 3s3p2(3P)(2P)3d 3P2   8.6544 8.6114  
85...... 3s3p2(3P)(2P)3d 3P1   8.7027 8.6585  
86...... 3s3p2(3P)(2P)3d 3P0   8.7262 8.6850  
87...... 3s3p2(3P)3d 1F3   8.8997 8.8197  
88...... 3s23d2 3F2   9.0282 8.9791  
89...... 3s23d2 3F3   9.0382 8.9900  
90...... 3s23d2 3F4   9.0472 9.0001  
91...... 3s3p2 1D2   9.2874 9.1905  
92...... 3s23d2 1G4   9.3583 9.2835  
93...... 3s23d2 3P0   9.3808 9.2843  
94...... 3s23d2 3P1   9.3883 9.2913  
95...... 3s23d2 3P2   9.4030 9.3049  
96...... 3s23d2 1D2   9.4997 9.4177  
97...... 3s23d2 1S0   10.1460 10.1260  
a NIST (http://www.physics.nist/gov/PhysRefData).
b Present results from 6 configurations and 97 levels.
c Present results from 13 configurations and 301 levels.
d Gupta & Tayal (1998).


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