Persistent Lines of Neutral Lanthanum ( La I )
Wavelength Energy Configuration Term J
(Å) Levels (cm-1)
3574.43 0.000 5d6s2 2D 3/2
27968.54 4f5d(3D°)6s ° 3/2
return
4060.33 4121.572 5d2(3F)6s 4F 9/2
28743.24 4f5d(3G°)6s 4G° 11/2
return
4187.32 0.000 5d6s2 2D 3/2
23874.95 5d6s(3D)6p ° 5/2
return
4280.27 1053.164 5d6s2 2D 5/2
24409.68 4f5d(1G°)6s ° 7/2
return
4949.77 0.000 5d6s2 2D 3/2
20197.34 5d6s(1D)6p ° 1/2
return
5145.42 3010.002 5d2(3F)6s 4F 5/2
22439.36 5d2(3F)6p 4D° 3/2
return
5177.31 3494.526 5d2(3F)6s 4F 7/2
22804.25 5d2(3F)6p 4D° 5/2
return
5211.86 4121.572 5d2(3F)6s 4F 9/2
23303.26 5d2(3F)6p 4D° 7/2
return
5234.27 4121.572 5d2(3F)6s 4F 9/2
23221.10 5d6s(3D)6p ° 7/2
return
5455.15 1053.164 5d6s2 2D 5/2
19379.40 5d2(3F)6p 2D° 5/2
return
5501.34 0.000 5d6s2 2D 3/2
18172.35 5d2(3F)6p 2D° 3/2
return
5791.34 4121.572 5d2(3F)6s 4F 9/2
21384.00 5d2(3F)6p 4F° 9/2
return
6249.93 4121.572 5d2(3F)6s 4F 9/2
20117.38 5d2(3F)6p 4G° 11/2
return
6394.23 3494.526 5d2(3F)6s 4F 7/2
19129.31 5d2(3F)6p 4G° 9/2
return