Thorium (Th)
Persistent Lines of Neutral Thorium ( Th I )
Int. Wavelength Aki Energy Configuration Term J Line Aki
(Å) (108s-1) Levels (cm-1) Ref. Ref.
800 3304.2383 0.000 6d27s2 3F 2 PE83
30255.452 ° 3
500 3348.7684 0.000 6d27s2 3F 2 PE83
29853.143 ° 2
700 3421.2100 4961.659 6d27s2 3F 4 PE83
34182.708 ° 5
600 3706.7672 8111.005 6d27s2 1G 4 PE83
35081.017 ° 5
1000 3719.4347 0.000 6d27s2 3F 2 PE83
26878.162 6d27s7p 3G° 3
1000 3803.0750 0.000 6d27s2 3F 2 PE83
26287.049 6d27s7p 3D° 1
800 3828.3846 0.000 6d27s2 3F 2 PE83
26113.270 ° 2
600 3895.4192 7795.275 5f6d7s2 3H° 4 PE83
33459.180 5f6d7s7p 3H 4
700 3967.3921 4961.659 6d27s2 3F 4 PE83
30160.003 ° 4
500 4012.4952 2869.259 6d27s2 3F 3 PE83
27784.366 ° 2
400 4112.7545 0.000 6d27s2 3F 2 PE83
24307.749 ° 2
500 4115.7589 5563.142 6d3(4F)7s 5F 1 PE83
29853.143 ° 2
200 5067.9737 7795.275 5f6d7s2 3H° 4 PE83
27521.527 4
200 5231.1597 2558.057 6d27s2 3P 0 PE83
21668.956 6d27s7p 5P° 1
120 5760.5508 0.000 6d27s2 3F 2 PE83
17354.639 5f6d7s2 3D° 1
100 6169.8221 4961.659 6d27s2 3F 4 PE83
21165.096 5f6d7s2 3D° 3
100 6457.2824 7795.275 5f6d7s2 3H° 4 PE83
23277.387 5f6d7s7p 5I 5
90 6989.6553 7795.275 5f6d7s2 3H° 4 PE83
22098.187 5f6d7s7p 5I 4
70 8967.6403 8800.251 6d3(4F)7s 5F 4 PE83
19948.395 6d27s7p 5F° 4