Persistent Lines of Neutral Niobium ( Nb I )
Wavelength Energy Configuration Term J
(Å) Levels (cm-1)
3341.97 1142.79 4d35s2 a 4F 3/2
31056.60 4d35s(a 5F)5p x 4G° 5/2
return
3343.71 1586.90 4d35s2 a 4F 5/2
31485.20 4d35s(a 5F)5p x 4G° 7/2
return
3349.06 2154.11 4d35s2 a 4F 7/2
32004.63 4d35s(a 5F)5p x 4G° 9/2
return
3358.42 2805.36 4d35s2 a 4F 9/2
32572.72 4d35s(a 5F)5p x 4G° 11/2
return
3535.30 695.25 4d4(a 5D)5s a 6D 7/2
28973.12 4d35s(a 5P)5p y 6P° 7/2
return
3535.30 0.00 4d4(a 5D)5s a 6D 1/2
28278.25 4d35s(a 5P)5p y 6P° 3/2
return
3575.85 695.25 4d4(a 5D)5s a 6D 7/2
28652.66 4d35s(a 5P)5p y 6P° 5/2
return
3580.27 1050.26 4d4(a 5D)5s a 6D 9/2
28973.12 4d35s(a 5P)5p y 6P° 7/2
return
3739.80 695.25 4d4(a 5D)5s a 6D 7/2
27427.07 4d4(a 5D)5p x 6D° 7/2
return
4058.94 1050.26 4d4(a 5D)5s a 6D 9/2
25680.36 4d4(a 5D)5p y 6F° 11/2
return
4058.94 10237.51 4d35s2 a 2D 5/2
34867.68 4d35s(a 5P)5p x 4P° 3/2
return
4079.73 695.25 4d4(a 5D)5s a 6D 7/2
25199.81 4d4(a 5D)5p y 6F° 9/2
return
4100.92 391.99 4d4(a 5D)5s a 6D 5/2
24769.91 4d4(a 5D)5p y 6F° 7/2
return
4100.92 13145.71 4d4(b 3F)5s b 4F 9/2
37523.53 4d4(c 3F)5p u 4G° 9/2
return
4123.81 154.19 4d4(a 5D)5s a 6D 3/2
24396.80 4d4(a 5D)5p y 6F° 5/2
return
4152.58 695.25 4d4(a 5D)5s a 6D 7/2
24769.91 4d4(a 5D)5p y 6F° 7/2
return
4163.66 154.19 4d4(a 5D)5s a 6D 3/2
24164.79 4d4(a 5D)5p y 6F° 3/2
return
4164.66 391.99 4d4(a 5D)5s a 6D 5/2
24396.80 4d4(a 5D)5p y 6F° 5/2
return
4168.13 0.00 4d4(a 5D)5s a 6D 1/2
23984.87 4d4(a 5D)5p y 6F° 1/2
return