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Wavelength:
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Energy:
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Show autoionization states:
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Ac I
U
[cm
-1
]
0
42000
9900
10000
13450
13500
13712.9
14940.7
17199.7
17683.9
17700
19012.5
17736.3
17950.7
21195.9
22401.5
22801.1
23475.9
23898.9
23916.8
24969.3
25729
27009.8
26066
26533.2
26836.2
28568.4
29500
30396.6
31494.7
32219.6
32867.4
33429.8
31800.4
32918.4
33673.7
32495.7
34658.5
33756.4
34360.3
34788.1
35870
0
2231.4
13300
13200
13000
12500
12100
12078.1
10906
9863.6
9217.3
~
~
11650
19250
26850
34450
7s
2
7p
a
1
S
2
P
o
1/2
7s
2
(a
1
S)7p, j=1/2
2
P
o
3/2
7s
2
(a
1
S)7p, j=3/2
6s
2
7p
a
1
S
2
P
o
1/2
6s
2
(a
1
S)7p, j=1/2
2
P
o
3/2
6s
2
(a
1
S)7p, j=3/2
6sd7s7p
a
3
D
4
F
o
3/2
6sd7s(a
3
D)7p, j=3/2
4
F
o
5/2
6sd7s(a
3
D)7p, j=5/2
4
D
o
1/2
6sd7s(a
3
D)7p, j=1/2
4
F
o
7/2
6sd7s(a
3
D)7p, j=7/2
4
F
o
9/2
6sd7s(a
3
D)7p, j=9/2
4
D
o
3/2
6sd7s(a
3
D)7p, j=3/2
2
D
o
3/2
6sd7s(a
3
D)7p, j=3/2
2
D
o
5/2
6sd7s(a
3
D)7p, j=5/2
6d7s7p
a
3
D
4
D
o
5/2
6d7s(a
3
D)7p, j=5/2
4
P
o
1/2
6d7s(a
3
D)7p, j=1/2
4
P
o
3/2
6d7s(a
3
D)7p, j=3/2
4
D
o
7/2
6d7s(a
3
D)7p, j=7/2
4
P
o
5/2
6d7s(a
3
D)7p, j=5/2
2
F
o
5/2
6d7s(a
3
D)7p, j=5/2
2
F
o
7/2
6d7s(a
3
D)7p, j=7/2
2
P
o
1/2
6d7s(a
3
D)7p, j=1/2
2
P
o
3/2
6d7s(a
3
D)7p, j=3/2
a
1
D
2
D
o
3/2
6d7s(a
1
D)7p, j=3/2
2
D
o
5/2
6d7s(a
1
D)7p, j=5/2
2
F
o
5/2
6d7s(a
1
D)7p, j=5/2
2
F
o
7/2
6d7s(a
1
D)7p, j=7/2
2
P
o
1/2
6d7s(a
1
D)7p, j=1/2
2
P
o
3/2
6d7s(a
1
D)7p, j=3/2
6d
2
7p
a
3
F
4
G
o
5/2
6d
2
(a
3
F)7p, j=5/2
4
G
o
7/2
6d
2
(a
3
F)7p, j=7/2
4
G
o
9/2
6d
2
(a
3
F)7p, j=9/2
4
G
o
11/2
6d
2
(a
3
F)7p, j=11/2
?
o
3/2
6d
2
(a
3
F)7p, j=3/2
6d
2
(a
3
F)7p, j=3/2
6d
2
(a
3
F)7p, j=3/2
?
o
5/2
6d
2
(a
3
F)7p, j=5/2
6d
2
(a
3
F)7p, j=5/2
?
o
7/2
6d
2
(a
3
F)7p, j=7/2
6d
2
(a
3
F)7p, j=7/2
?
o
9/2
6d
2
(a
3
F)7p, j=9/2
6d
2
(a
3
F)7p, j=9/2
6d7s
2
2
D
3/2
6d7s
2
, j=3/2
6d7s
2
2
D
o
5/2
6d7s
2
, j=5/2
6d
2
7s
a
3
P
4
P
5/2
6d
2
(a
3
P)7s, j=5/2
4
P
3/2
6d
2
(a
3
P)7s, j=3/2
4
P
1/2
6d
2
(a
3
P)7s, j=1/2
a
3
F
2
F
7/2
6d
2
(a
3
F)7s, j=7/2
2
F
5/2
6d
2
(a
3
F)7s, j=5/2
4
F
9/2
6d
2
(a
3
F)7s, j=9/2
4
F
7/2
6d
2
(a
3
F)7s, j=7/2
4
F
5/2
6d
2
(a
3
F)7s, j=5/2
4
F
3/2
6d
2
(a
3
F)7s, j=3/2
4462.73
5636.6
5812.4
4384.53
6691.27
4716.58
5569.3
5258.24
4179.98
4183.12
7290.4
3767.8
2968.82
3835.32
3885.56
3725.22
3076.44
3288.9
3174.23
3036.93
3701.3
3143.71
4808.8
4855.7
4860.2
4552.2
4705.8
4613.93
4621.7
4610.1
4682.2
4868.9
4690.5
4557.3
5660.2
6359.86
6275.7
6447.8
6469.7
7866.1
6618.2
6170.2
5957.5
5344.7
5271.6
5618.8
4487.6
5830.6
5674.2
4963.5
4375.1
4184.17
4486.6
4186.05
4194.4
4198.7
4087.76
4081.04
4004.64
4031.95
4034.63
4063.1
4198.7
4113.8
4402.1
4417.3
4426.9
4201.9
4396.71
4471.8
4336.3
4218.02
4208.9
4294.62
4262.4
3179.52
3171.17
3111.57
3257.77
3082.96
3549.47
3929.52
3795.86
3416.29
3380.96
3303.28
Ac I
U
[eV]
0
5.2
~
~
1.4
2.4
3.3
4.3