NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Cobalt (Co)

Atomic Number = 27

Atomic Weight = 58.93320

Reference E95


  Isotope   Mass   Abundance   Spin   Mag Moment 
              
59Co58.933198100%7/2+4.627

Co I  Ground State 1s22s22p63s23p63d74s2 4F9/2
       Ionization energy  63564.6 cm-1 (7.88101 eV)   Ref. PG90

Co II Ground State 1s22s22p63s23p63d8 3F4
       Ionization energy  137795 cm-1 (17.084 eV)   Ref. SC85