NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Cerium (Ce)

Atomic Number = 58

Atomic Weight = 140.115

Reference E95


  Isotope   Mass   Abundance   Spin   Mag Moment 
              
136Ce135.9071400.19%0 
138Ce137.9059850.25%0 
140Ce139.90543388.48%0 
142Ce141.90924111.08%0 

Ce I  Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f5d6s2 14
       Ionization energy  44672 cm-1 (5.5387 eV)   Ref. WSPC78

Ce II Ground State (1s22s22p63s23p63d104s24p64d105s25p6)4f5d2 47/2
       Ionization energy  87500 cm-1 (10.85 eV)   Ref. SR65