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

59Co      58.933198  100%      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