Niobium (Nb)
![](../Images/spacer.gif)
![](../Images/otherelements.gif)
![](../Images/spacer.gif)
![](../Images/neutralatom.gif)
![](../Images/singlyionized.gif)
![Homepage - Introduction Homepage - Introduction](../Images/mainPage.jpg)
![Finding list Finding list](../Images/findinglist.gif)
![Select element by name. Select element by name.](../Images/element_name_G.gif)
![Select element by atomic number. Select element by atomic number.](../Images/atomic_number_G.gif)
![Select element from periodic table Select element from periodic table](../Images/periodic_table_G.gif)
![](../Images/spacer.gif)
![Niobium Atomic Data Niobium Atomic Data](../Images/general_Y.gif)
![Niobium Strong Lines Niobium Strong Lines](../Images/strong_Y.gif)
![Niobium Neutral Atom Persistent Lines Niobium Neutral Atom Persistent Lines](../Images/persistent_Y.gif)
![Niobium Neutral Atom Energy Levels Niobium Neutral Atom Energy Levels](../Images/energy_Y.gif)
![Niobium Singly Ionized Persistent Lines Niobium Singly Ionized Persistent Lines](../Images/persistent_O.gif)
![Niobium Singly Ionized Energy Levels Niobium Singly Ionized Energy Levels](../Images/energy_B.gif)
Energy Levels of Singly Ionized Niobium ( Nb II )
Configuration Term J Level(cm-1) Ref.
4d4 5D 0 0.000 RCL00
1 158.984 RCL00
2 438.361 RCL00
3 801.326 RCL00
4 1224.823 RCL00
4d3(4F)5s 5F 1 2356.816 RCL00
2 2629.132 RCL00
3 3029.629 RCL00
4 3542.561 RCL00
5 4146.037 RCL00
4d4 3P 0 5562.241 RCL00
1 6192.310 RCL00
2 7261.324 RCL00
4d3(2P)5s 3P 1 14626.199 RCL00
2 14660.755 RCL00
0 14678.318 RCL00
4d3(4F)5p 5G° 2 33351.090 RCL00
3 33919.244 RCL00
4 34632.033 RCL00
5 35474.197 RCL00
6 36455.457 RCL00
4d3(4F)5p 5F° 1 36731.805 RCL00
2 36962.774 RCL00
3 37376.901 RCL00
4 37528.382 RCL00
5 38024.336 RCL00
4d3(4F)5p 5D° 0 37298.242 RCL00
1 37480.076 RCL00
2 37797.316 RCL00
3 38216.387 RCL00
4 38291.252 RCL00
4d2(3F)5s5p(3P) 5F° 5 51537.014 RCL00
4d2(3F)5s5p(3P) 5D° 3 52714.892 RCL00
4 53407.279 RCL00
------------------------------------------
Nb III (4F3/2) Limit 113000 M52
![](../Images/spacer.gif)
![](../Images/otherelements.gif)
![](../Images/spacer.gif)
![](../Images/neutralatom.gif)
![](../Images/singlyionized.gif)
![Homepage - Introduction Homepage - Introduction](../Images/mainPage.jpg)
![Finding list Finding list](../Images/findinglist.gif)
![Select element by name. Select element by name.](../Images/element_name_G.gif)
![Select element by atomic number. Select element by atomic number.](../Images/atomic_number_G.gif)
![Select element from periodic table Select element from periodic table](../Images/periodic_table_G.gif)
![](../Images/spacer.gif)
![Niobium Atomic Data Niobium Atomic Data](../Images/general_Y.gif)
![Niobium Strong Lines Niobium Strong Lines](../Images/strong_Y.gif)
![Niobium Neutral Atom Persistent Lines Niobium Neutral Atom Persistent Lines](../Images/persistent_Y.gif)
![Niobium Neutral Atom Energy Levels Niobium Neutral Atom Energy Levels](../Images/energy_Y.gif)
![Niobium Singly Ionized Persistent Lines Niobium Singly Ionized Persistent Lines](../Images/persistent_O.gif)
![Niobium Singly Ionized Energy Levels Niobium Singly Ionized Energy Levels](../Images/energy_B.gif)