NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Iridium (Ir)

Atomic Number = 77

Atomic Weight = 192.22

Reference E95


Isotope    Mass        Abundance Spin Mag Moment

191Ir      190.960584  37.3%     3/2  +0.1461
193Ir      192.962917  62.7%     3/2  +0.1591

 
Ir I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d76s2  4F9/2
      Ionization energy  72323.9 cm-1 (8.96702 eV)   Ref. CLS97
 
Ir II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d76s  5F5