NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Manganese (Mn)

Atomic Number = 25

Atomic Weight = 54.93805

Reference E95


  Isotope   Mass   Abundance   Spin   Mag Moment 
              
55Mn54.938047100%5/2+3.4687

Mn I  Ground State 1s22s22p63s23p63d54s2 6S5/2
       Ionization energy  59959.4 cm-1 (7.43402 eV)   Ref. SC85

Mn II Ground State 1s22s22p63s23p63d54s 7S3
       Ionization energy  126145.0 cm-1 (15.6400 eV)   Ref. SC85