### Atomic Data for Holmium (Ho)

### Atomic Number = 67

### Atomic Weight = 164.93032

### Reference = E95

    Isotope    Mass       Abundance Spin Mag Moment

    165Ho      164.93032  100%      7/2

    Ho I  Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f116s2  4I°15/2
          Ionization energy  48567 cm-1 (6.0215 eV)   Ref. WSPC78

    Ho II Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f11(4I°15/2)6s  (15/2,1/2)°8
          Ionization energy  95200 cm-1 (11.80 eV)   Ref. MZH78