NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableFrancium Atomic DataFrancium Strong LinesFrancium Neutral Atom Persistent LinesFrancium Neutral Atom Energy LevelsFrancium Singly Ionized Persistent LinesFrancium Singly Ionized Energy LevelsFrancium References
Switch to ASCII Version

Persistent Lines of Neutral Francium ( Fr I )

  Intensity   Wavelength (Å)   Aki
(108s-1)		   Energy
Levels (cm -1 )		   Configurations   Terms   J   Line
Ref.		   Aki
Ref.		 
                          
  4225.655      0.0007s2S1/2ABDJ90 
    23658.3068p2P3/2  
         
  4325.361      0.0007s2S1/2ABDJ90 
    23112.9608p2P°1/2  
         
  7179.866      0.0007s2S1/2ABDJ90 
    13923.9987p2P°3/2  
         
  8169.418      0.0007s2S1/2ABDJ90 
    12237.4097p2P°1/2  
         


Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableFrancium Atomic DataFrancium Strong LinesFrancium Neutral Atom Persistent LinesFrancium Neutral Atom Energy LevelsFrancium Singly Ionized Persistent LinesFrancium Singly Ionized Energy LevelsFrancium References
Switch to ASCII Version