NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

[skip navigation] National Institute of Standards and Technology NIST Physical Measurement Laboratory Astatine (At) 

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableAstatine Atomic DataAstatine Strong LinesAstatine Neutral Atom Persistent Lines Astatine Neutral Atom Energy LevelsAstatine Singly Ionized Persistent LinesAstatine Singly Ionized Energy LevelsAstatine References
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Energy Levels of Neutral Astatine ( At I )

Configuration   Term   J     Level(cm-1) Ref.


6p5             2P°    3/2       0.0     M64a
 
6p4(3P)7s       4P     5/2   44549.3 ?   M64a
                       3/2   46233.6 ?   M64a
 
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At II (3P2)     Limit

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableAstatine Atomic DataAstatine Strong LinesAstatine Neutral Atom Persistent Lines Astatine Neutral Atom Energy LevelsAstatine Singly Ionized Persistent LinesAstatine Singly Ionized Energy LevelsAstatine References
Switch to Formatted Version