NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Gold (Au)

Atomic Number = 79

Atomic Weight = 196.966543

Reference E95

  Isotope   Mass   Abundance   Spin   Mag Moment 

Au I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s 2S1/2
       Ionization energy  74408.88 cm-1 (9.22553 eV)   Ref. BG78

Au II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d10 1S0
       Ionization energy  162950 cm-1 (20.20 eV)   Ref. RW97