### Atomic Data for Californium (Cf)

### Atomic Number = 98

### Atomic Weight = (251)

### Reference = E95

    Isotope    Mass        Abundance Spin Mag Moment

    249Cf      249.074844  0         9/2
    251Cf      251.079580  0         1/2
    252Cf      252.081621  0         0

    Cf I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f107s2  5I8
          Ionization energy  50665 cm-1 (6.2817 eV)   Ref. KDEE97

    Cf II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f107s  (8,1/2)17/2
          Ionization energy  [95000] cm-1 (11.8 eV)   Ref. CNWM70