Hafnium (Hf)
![](../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)
![Hafnium Atomic Data Hafnium Atomic Data](../Images/general_Y.gif)
![Hafnium Strong Lines Hafnium Strong Lines](../Images/strong_Y.gif)
![Hafnium Neutral Atom Persistent Lines Hafnium Neutral Atom Persistent Lines](../Images/persistent_B.gif)
![Hafnium Neutral Atom Energy Levels Hafnium Neutral Atom Energy Levels](../Images/energy_Y.gif)
![Hafnium Singly Ionized Persistent Lines Hafnium Singly Ionized Persistent Lines](../Images/persistent_O.gif)
![Hafnium Singly Ionized Energy Levels Hafnium Singly Ionized Energy Levels](../Images/energy_O.gif)
Persistent Lines of Neutral Hafnium ( Hf I )
Int. Wavelength Aki Energy Configuration Term J Line Aki
(Å) (108s-1) Levels (cm-1) Ref. Ref.
1000 2866.37 0.00 5d26s2 3F 2 MCS75
34877.04 5d2(3F)6s(2F)6p 1F° 3
800 2898.26 2356.68 5d26s2 3F 3 MCS75
36850.04 5d2(1G)6s(2G)6p 3G° 4
500 2904.41 4567.64 5d26s2 3F 4 MCS75
38987.85 5d2(3F)6s(2F)6p 1G° 4
900 2916.48 4567.64 5d26s2 3F 4 MCS75
38845.45 5d2(1G)6s(2G)6p 3G° 5
900 2940.77 0.00 5d26s2 3F 2 MCS75
33994.86 5d2(1G)6s(2G)6p 3F° 2
1000 3072.88 0.00 5d26s2 3F 2 MCS75
32533.32 5d2(3F)6s(2F)6p 3G° 3
1000 3682.24 0.26 0.00 5d26s2 3F 2 MCS75 M00
27149.64 5d2(3F)6s(4F)6p 3F° 2
500 4174.34 0.046 2356.68 5d26s2 3F 3 MCS75 M00
26305.78 5d2(3F)6s(4F)6p 5D° 3
300 7237.10 4567.64 5d26s2 3F 4 MCS75
18381.50 5d6s26p 3D° 3
![](../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)
![Hafnium Atomic Data Hafnium Atomic Data](../Images/general_Y.gif)
![Hafnium Strong Lines Hafnium Strong Lines](../Images/strong_Y.gif)
![Hafnium Neutral Atom Persistent Lines Hafnium Neutral Atom Persistent Lines](../Images/persistent_B.gif)
![Hafnium Neutral Atom Energy Levels Hafnium Neutral Atom Energy Levels](../Images/energy_Y.gif)
![Hafnium Singly Ionized Persistent Lines Hafnium Singly Ionized Persistent Lines](../Images/persistent_O.gif)
![Hafnium Singly Ionized Energy Levels Hafnium Singly Ionized Energy Levels](../Images/energy_O.gif)