Ac | Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr | ||
f0 | f1 | f2 | f3 | f4 | f5 | f6 | f7 | f8 | f9 | f10 | f11 | f12 | f13 | f14 | ||
orbit | electrons (max) | energy (eV) | ||||||||||||||
1S 1/2 |
2
|
-106774
|
-109693
|
-112670
|
-115708
|
-118809
|
-121973
|
-125203
|
-128502
|
-131870
|
-135310
|
-138825
|
-142416
|
-146087
|
-149840
|
-153678
|
2S 1/2 |
2
|
-19710
|
-20335
|
-20974
|
-21630
|
-22301
|
-22989
|
-23694
|
-24417
|
-25159
|
-25920
|
-26702
|
-27504
|
-28327
|
-29174
|
-30043
|
2P 1/2 |
2
|
-18988
|
-19596
|
-20219
|
-20858
|
-21512
|
-22182
|
-22869
|
-23574
|
-24297
|
-25039
|
-25800
|
-26581
|
-27383
|
-28207
|
-29054
|
2P 3/2 |
4
|
-15741
|
-16167
|
-16598
|
-17034
|
-17476
|
-17924
|
-18378
|
-18837
|
-19303
|
-19774
|
-20251
|
-20734
|
-21223
|
-21718
|
-22219
|
3S 1/2 |
2
|
-4931
|
-5109
|
-5291
|
-5477
|
-5667
|
-5862
|
-6062
|
-6268
|
-6478
|
-6694
|
-6916
|
-7143
|
-7377
|
-7616
|
-7863
|
3P 1/2 |
2
|
-4603
|
-4774
|
-4948
|
-5126
|
-5309
|
-5496
|
-5688
|
-5885
|
-6087
|
-6295
|
-6507
|
-6726
|
-6950
|
-7180
|
-7417
|
3P 3/2 |
4
|
-3862
|
-3988
|
-4116
|
-4245
|
-4377
|
-4510
|
-4645
|
-4782
|
-4921
|
-5061
|
-5204
|
-5349
|
-5496
|
-5645
|
-5796
|
3D 3/2 |
4
|
-3335
|
-3452
|
-3571
|
-3690
|
-3812
|
-3935
|
-4060
|
-4187
|
-4316
|
-4447
|
-4580
|
-4715
|
-4852
|
-4990
|
-5131
|
3D 5/2 |
6
|
-3183
|
-3291
|
-3401
|
-3512
|
-3624
|
-3738
|
-3853
|
-3969
|
-4087
|
-4207
|
-4328
|
-4451
|
-4575
|
-4700
|
-4828
|
4S 1/2 |
2
|
-1241
|
-1297
|
-1354
|
-1412
|
-1471
|
-1531
|
-1593
|
-1656
|
-1721
|
-1788
|
-1856
|
-1926
|
-1998
|
-2072
|
-2148
|
4P 1/2 |
2
|
-1095
|
-1148
|
-1200
|
-1254
|
-1309
|
-1366
|
-1423
|
-1482
|
-1543
|
-1605
|
-1669
|
-1734
|
-1801
|
-1870
|
-1941
|
4P 3/2 |
4
|
-905
|
-945
|
-985
|
-1024
|
-1065
|
-1105
|
-1146
|
-1188
|
-1230
|
-1273
|
-1316
|
-1360
|
-1405
|
-1450
|
-1495
|
4D 3/2 |
4
|
-671
|
-705
|
-739
|
-773
|
-808
|
-843
|
-878
|
-914
|
-951
|
-988
|
-1025
|
-1063
|
-1102
|
-1141
|
-1181
|
4D 5/2 |
6
|
-635
|
-667
|
-699
|
-731
|
-763
|
-796
|
-828
|
-861
|
-895
|
-928
|
-963
|
-997
|
-1032
|
-1067
|
-1103
|
4F 5/2 |
6
|
-327.66
|
-352.10
|
-376.43
|
-400.82
|
-425.36
|
-450.10
|
-475.08
|
-500.58
|
-526.37
|
-552.48
|
-578.92
|
-605.70
|
-632.83
|
-660.32
|
-688.17
|
4F 7/2 |
8
|
-318.78
|
-342.54
|
-366.16
|
-389.81
|
-413.56
|
-437.48
|
-461.60
|
-486.19
|
-511.05
|
-536.17
|
-561.58
|
-587.29
|
-613.30
|
-639.62
|
-666.25
|
5S 1/2 |
2
|
-284.64
|
-300.69
|
-316.52
|
-332.30
|
-348.15
|
-364.13
|
-380.31
|
-396.95
|
-413.89
|
-431.15
|
-448.80
|
-466.84
|
-485.32
|
-504.28
|
-523.74
|
5P 1/2 |
2
|
-229.55
|
-243.57
|
-257.34
|
-271.04
|
-284.78
|
-298.63
|
-312.65
|
-327.09
|
-341.79
|
-356.78
|
-372.11
|
-387.79
|
-403.88
|
-420.38
|
-437.35
|
5P 3/2 |
4
|
-186.56
|
-196.88
|
-206.74
|
-216.32
|
-225.70
|
-234.93
|
-244.08
|
-253.35
|
-262.58
|
-271.80
|
-281.01
|
-290.22
|
-299.46
|
-308.73
|
-318.04
|
5D 3/2 |
4
|
-106.40
|
-113.58
|
-120.35
|
-126.85
|
-133.17
|
-139.36
|
-145.45
|
-151.65
|
-157.81
|
-163.94
|
-170.05
|
-176.16
|
-182.28
|
-188.41
|
-194.56
|
5D 5/2 |
6
|
-100.18
|
-106.76
|
-112.90
|
-118.75
|
-124.40
|
-129.88
|
-135.24
|
-140.67
|
-146.02
|
-151.31
|
-156.55
|
-161.74
|
-166.91
|
-172.05
|
-177.16
|
5F 5/2 |
6
|
-22.42
|
-24.18
|
-25.75
|
-27.20
|
-28.55
|
-29.82
|
-31.03
|
-32.30
|
-33.52
|
-34.70
|
-35.84
|
-36.95
|
-38.03
|
-39.09
|
-40.12
|
5F 7/2 |
8
|
-21.92
|
-23.56
|
-25.01
|
-26.34
|
-27.57
|
-28.71
|
-29.78
|
-30.89
|
-31.96
|
-32.97
|
-33.95
|
-34.88
|
-35.77
|
-36.63
|
-37.46
|
5G 7/2 |
8
|
-8.73
|
-8.73
|
-8.73
|
-8.72
|
-8.72
|
-8.72
|
-8.72
|
-8.72
|
-8.72
|
-8.71
|
-8.71
|
-8.71
|
-8.71
|
-8.71
|
-8.71
|
5G 9/2 |
10
|
-8.73
|
-8.73
|
-8.73
|
-8.72
|
-8.72
|
-8.72
|
-8.72
|
-8.72
|
-8.72
|
-8.71
|
-8.71
|
-8.71
|
-8.71
|
-8.71
|
-8.71
|
6S 1/2 |
2
|
-63.07
|
-66.04
|
-68.74
|
-71.28
|
-73.72
|
-76.09
|
-78.41
|
-80.79
|
-83.17
|
-85.54
|
-87.93
|
-90.34
|
-92.79
|
-95.27
|
-97.81
|
6P 1/2 |
2
|
-47.57
|
-49.73
|
-51.66
|
-53.46
|
-55.16
|
-56.79
|
-58.39
|
-60.03
|
-61.65
|
-63.26
|
-64.87
|
-66.50
|
-68.14
|
-69.81
|
-71.51
|
6P 3/2 |
4
|
-40.52
|
-41.97
|
-43.20
|
-44.29
|
-45.27
|
-46.17
|
-47.02
|
-47.85
|
-48.64
|
-49.39
|
-50.11
|
-50.79
|
-51.46
|
-52.10
|
-52.72
|
spin-orbit splitting (eV) | Ac | Th | Pa | U | Np | Pu | Am | Cm | Bk | Cf | Es | Fm | Md | No | Lr | |
2p |
3246.16
|
3429.39
|
3621.74
|
3823.66
|
4035.63
|
4258.14
|
4491.73
|
4736.95
|
4994.41
|
5264.74
|
5548.63
|
5846.81
|
6160.05
|
6489.18
|
6835.10
|
|
3p |
741.15
|
785.39
|
831.95
|
880.93
|
932.46
|
986.67
|
1043.70
|
1103.70
|
1166.82
|
1233.23
|
1303.09
|
1376.61
|
1453.99
|
1535.43
|
1621.17
|
|
3d |
152.94
|
161.20
|
169.80
|
178.75
|
188.06
|
197.74
|
207.80
|
218.25
|
229.09
|
240.35
|
252.03
|
264.14
|
276.69
|
289.70
|
303.17
|
|
4p |
190.14
|
202.69
|
215.94
|
229.94
|
244.73
|
260.34
|
276.83
|
294.23
|
312.59
|
331.97
|
352.43
|
374.01
|
396.79
|
420.83
|
446.20
|
|
4d |
35.22
|
37.46
|
39.80
|
42.26
|
44.82
|
47.50
|
50.31
|
53.23
|
56.29
|
59.47
|
62.79
|
66.25
|
69.85
|
73.60
|
77.50
|
|
4f |
8.88
|
9.56
|
10.27
|
11.02
|
11.80
|
12.62
|
13.48
|
14.38
|
15.33
|
16.31
|
17.34
|
18.41
|
19.53
|
20.70
|
21.92
|
|
5p |
42.99
|
46.69
|
50.60
|
54.73
|
59.09
|
63.70
|
68.57
|
73.74
|
79.21
|
84.99
|
91.10
|
97.57
|
104.41
|
111.65
|
119.31
|
|
5d |
6.22
|
6.82
|
7.45
|
8.10
|
8.77
|
9.48
|
10.21
|
10.98
|
11.79
|
12.63
|
13.51
|
14.42
|
15.37
|
16.36
|
17.40
|
|
5f |
0.50
|
0.62
|
0.74
|
0.86
|
0.99
|
1.12
|
1.26
|
1.40
|
1.56
|
1.72
|
1.89
|
2.07
|
2.26
|
2.46
|
2.66
|
|
6p |
7.05
|
7.76
|
8.46
|
9.17
|
9.89
|
10.62
|
11.38
|
12.18
|
13.01
|
13.87
|
14.77
|
15.71
|
16.69
|
17.72
|
18.80
|