NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Yttrium (Y)

Atomic Number = 39

Atomic Weight = 88.90585

Reference E95


  Isotope   Mass   Abundance   Spin   Mag Moment 
              
89Y88.905849100%1/2-0.1373

Y I  Ground State 1s22s22p63s23p63d104s24p64d5s2 2D3/2
       Ionization energy  50145.6 cm-1 (6.2173 eV)   Ref. GRTE73,JS00

Y II Ground State 1s22s22p63s23p63d104s24p65s2 1S0
       Ionization energy  98590 cm-1 (12.224 eV)   Ref. NJK91