### Atomic Data for Iron (Fe)

### Atomic Number = 26

### Atomic Weight = 55.847

### Reference = E95

    Isotope   Mass       Abundance Spin Mag Moment

    54Fe      53.939612  5.82%     0
    56Fe      55.934939  91.18%    0
    57Fe      56.935396  2.1 %     1/2  +0.09044
    58Fe      57.933277  0.28%     0

    Fe I  Ground State 1s22s22p63s23p63d64s2  5D4
          Ionization energy  63737 cm-1 (7.9024 eV)   Ref. SC85

    Fe II Ground State 1s22s22p63s23p63d64s  6D9/2
          Ionization energy  130563 cm-1 (16.1877 eV)   Ref. SC85