NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Lead (Pb)

Atomic Number = 82

Atomic Weight = 207.2

Reference E95

Isotope    Mass        Abundance Spin Mag Moment
204Pb 203.973020 1.4% 0 206Pb 205.974440 24.1% 0 207Pb 206.975872 22.1% 1/2 +0.5926 208Pb 207.976627 52.4% 0
Pb I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p21/2  (1/2,1/2)0
      Ionization energy  59819.2 cm-1 (7.41663 eV)   Ref. WA68
Pb II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p  21/2
      Ionization energy  121245.14 cm-1 (15.03248 eV)   Ref. RWS76