NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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

Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableHelium Atomic DataHelium Strong LinesHelium Neutral Atom Persistent LinesHelium Neutral Atom Energy LevelsHelium Singly Ionized Persistent LinesHelium Singly Ionized Energy LevelsHelium References
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Persistent Lines of Neutral Helium ( He I )

  Intensity   Wavelength (Å)   Aki
(108s-1)
   Energy
Levels (cm -1 )
   Configurations   Terms   J   Line
Ref.
   Aki
Ref.
 
                          
  100  522.21309 2.4356     0.0001s21S0M02D96
   191492.71201s4p11  
         
  400  537.02992 5.6634     0.0001s21S0M02D96
   186209.36511s3p11  
         
 1000  584.3343617.989     0.0001s21S0M02D96
   171134.89701s2p11  
         
   60 3888.6046 0.0947159855.97451s2s3S1M02D96
   185564.85471s3p30  
         
  200 3888.6456 0.0947159855.97451s2s3S1M02D96
   185564.58401s3p31  
         
  300 3888.6489 0.0947159855.97451s2s3S1M02D96
   185564.56201s3p32  
         
  500 5875.6148 0.7070169086.76661s2p32M02D96
   186101.54631s3d3D3  
         
  250 5875.6404 0.5303169086.84301s2p31M02D96
   186101.54881s3d3D2  
         
  120 5875.9663 0.3927169087.83091s2p30M02D96
   186101.59301s3d3D1  
         
  200 6678.1517 0.6369171134.89701s2p11M02D96
   186104.96681s3d1D2  
         
  100 7065.1771 0.1547169086.76661s2p32M02D96
   183236.79181s3s3S1  
         
   60 7065.2153 0.0928169086.84301s2p31M02D96
   183236.79181s3s3S1  
         
   20 7065.7086 0.0309169087.83091s2p30M02D96
   183236.79181s3s3S1  
         
   50 7281.3507 0.1830171134.89701s2p11M02D96
   184864.82941s3s1S0  
         
  15010829.0911 0.1022159855.97451s2s3S1M02D96
   169087.83091s2p30  
         
  50010830.2501 0.1021159855.97451s2s3S1M02D96
   169086.84301s2p31  
         
 100010830.3398 0.1021159855.97451s2s3S1M02D96
   169086.76661s2p32  
         
  50020581.287 0.0197166277.44031s2s1S0M02D96
   171134.89701s2p11  
         


Homepage - IntroductionFinding listSelect element by name.Select element by atomic number.Select element from periodic tableHelium Atomic DataHelium Strong LinesHelium Neutral Atom Persistent LinesHelium Neutral Atom Energy LevelsHelium Singly Ionized Persistent LinesHelium Singly Ionized Energy LevelsHelium References
Switch to ASCII Version