Ytterbium (Yb)
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Atomic Data for Ytterbium (Yb)
Atomic Number = 70
Atomic Weight = 173.04
Reference E95
Isotope Mass Abundance Spin Mag Moment
168Yb 167.933894 0.13% 0
170Yb 169.934759 3.05% 0
171Yb 170.936323 14.3% 1/2 +0.4919
172Yb 171.936378 21.9% 0
173Yb 172.938208 16.12% 5/2 -0.6776
174Yb 173.938859 31.8% 0
176Yb 175.942564 12.7% 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