NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Aluminum (Al)

Atomic Number = 13

Atomic Weight = 26.98154

Reference E95

  Isotope   Mass   Abundance   Spin   Mag Moment 

Al I  Ground State 1s22s22p63s23p 2P1/2
       Ionization energy  48278.48 cm-1 (5.985768 eV)   Ref. KM91b

Al II Ground State 1s22s22p63s2 1S0
       Ionization energy  151862.5 cm-1 (18.82855 eV)   Ref. KM91b