### Atomic Data for Thorium (Th)

### Atomic Number = 90

### Atomic Weight = 232.0381

### Reference = E95

    Isotope    Mass        Abundance Spin Mag Moment

    232Th      232.038054  100%      0

    Th I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p66d27s2  3F2
          Ionization energy  50867 cm-1 (6.3067 eV)   Ref. KDEE97

    Th II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p66d27s  3/2
          Ionization energy  96000 cm-1 (11.9 eV)   Ref. MCS75