NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Zirconium (Zr)

Atomic Number = 40

Atomic Weight = 91.224

Reference E95

Isotope   Mass       Abundance Spin Mag Moment
90Zr 89.904703 51.45% 0 91Zr 90.905644 11.22% 5/2 -1.303 92Zr 91.905039 17.15% 0 94Zr 93.906314 17.38% 0 96Zr 95.908275 2.80% 0
Zr I  Ground State 1s22s22p63s23p63d104s24p64d25s2  3F2
      Ionization energy  53506.0 cm-1 (6.63390 eV)   Ref. HHMR86
Zr II Ground State 1s22s22p63s23p63d104s24p64d25s  4F3/2
      Ionization energy  106000 cm-1 (13.1 eV)   Ref. J98