### Atomic Data for Scandium (Sc)

### Atomic Number = 21

### Atomic Weight = 44.955910

### Reference = E95

    Isotope   Mass       Abundance Spin Mag Moment

    45Sc      44.955910  100%      7/2  +4.756

    Sc I  Ground State 1s22s22p63s23p63d4s2  2D3/2
          Ionization energy  52922.0 cm-1 (6.56149 eV)   Ref. SC85

    Sc II Ground State 1s22s22p63s23p63d4s  3D1
          Ionization energy  103237.1 cm-1 (12.79977 eV)   Ref. SC85