NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Ytterbium (Yb)

Atomic Number = 70

Atomic Weight = 173.04

Reference E95


  Isotope   Mass   Abundance   Spin   Mag Moment 
              
168Yb167.9338940.13%0 
170Yb169.9347593.05%0 
171Yb170.93632314.3%1/2+0.4919
172Yb171.93637821.9%0 
173Yb172.93820816.12%5/2-0.6776
174Yb173.93885931.8%0 
176Yb175.94256412.7%0 

Yb I  Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f146s2 1S0
       Ionization energy  50443.2 cm-1 (6.25416 eV)   Ref. A80

Yb II Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f146s 2S1/2
       Ionization energy  98207 cm-1 (12.176 eV)   Ref. SK79