NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Dysprosium (Dy)

Atomic Number = 66

Atomic Weight = 162.50

Reference E95

Isotope    Mass        Abundance Spin Mag Moment
160Dy 159.925193 2.34% 0 161Dy 160.926930 18.9% 5/2 -0.48 162Dy 161.926795 25.5% 0 163Dy 162.928728 24.9% 5/2 +0.673 164Dy 163.929171 28.2% 0
Dy I  Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f106s2  5I8
      Ionization energy  47900 cm-1 (5.9389 eV)   Ref. WSPC78
Dy II Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f9(5I8)6s  (8,1/2)17/2
      Ionization energy  94100 cm-1 (11.67 eV)   Ref. MZH78