### Atomic Data for Oxygen (O)

### Atomic Number = 8

### Atomic Weight = 15.9994

### Reference = E95

    Isotope   Mass       Abundance Spin Mag Moment

    16O       15.994915  99.76%    0
    17O       16.999311  0.048%    5/2  -1.89379
    18O       17.999160  0.20%     0

    O I  Ground State 1s22s22p4  3P2
         Ionization energy  109837.02 cm-1 (13.61805 eV)   Ref. MG93

    O II Ground State 1s22s22p3  4S°3/2
         Ionization energy  283270.9 cm-1 (35.1211 eV)   Ref. MKM93