Energy Levels of Singly Ionized Niobium ( Nb II )
Configuration Term J Level(cm-1) Ref.
4d4 5D 0 0.000 RCL00
4d4 5D 1 158.984 RCL00
4d4 5D 2 438.361 RCL00
4d4 5D 3 801.326 RCL00
4d4 5D 4 1224.823 RCL00
4d3(4F)5s 5F 1 2356.816 RCL00
4d3(4F)5s 5F 2 2629.132 RCL00
4d3(4F)5s 5F 3 3029.629 RCL00
4d3(4F)5s 5F 4 3542.561 RCL00
4d3(4F)5s 5F 5 4146.037 RCL00
4d4 3P 0 5562.241 RCL00
4d4 3P 1 6192.310 RCL00
4d4 3P 2 7261.324 RCL00
4d3(2P)5s 3P 1 14626.199 RCL00
4d3(2P)5s 3P 2 14660.755 RCL00
4d3(2P)5s 3P 0 14678.318 RCL00
4d3(4F)5p 5G° 2 33351.090 RCL00
4d3(4F)5p 5G° 3 33919.244 RCL00
4d3(4F)5p 5G° 4 34632.033 RCL00
4d3(4F)5p 5G° 5 35474.197 RCL00
4d3(4F)5p 5G° 6 36455.457 RCL00
4d3(4F)5p 5F° 1 36731.805 RCL00
4d3(4F)5p 5F° 2 36962.774 RCL00
4d3(4F)5p 5F° 3 37376.901 RCL00
4d3(4F)5p 5F° 4 37528.382 RCL00
4d3(4F)5p 5F° 5 38024.336 RCL00
4d3(4F)5p 5D° 0 37298.242 RCL00
4d3(4F)5p 5D° 1 37480.076 RCL00
4d3(4F)5p 5D° 2 37797.316 RCL00
4d3(4F)5p 5D° 3 38216.387 RCL00
4d3(4F)5p 5D° 4 38291.252 RCL00
4d2(3F)5s5p(3P) 5F° 5 51537.014 RCL00
4d2(3F)5s5p(3P) 5D° 3 52714.892 RCL00
4d2(3F)5s5p(3P) 5D° 4 53407.279 RCL00
Nb III (4F3/2) Limit 113000 M52