NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Iodine (I)

Atomic Number = 53

Atomic Weight = 126.90447

Reference E95


Isotope    Mass        Abundance Spin Mag Moment

127I       126.904473  100%      5/2  +2.808

 
I I  Ground State 1s22s22p63s23p63d104s24p64d105s25p5  2P3/2
     Ionization energy  84295.14 cm-1 (10.45126 eV)   Ref. M62
 
I II Ground State 1s22s22p63s23p63d104s24p64d105s25p4  3P2
     Ionization energy  154304 cm-1 (19.1313 eV)   Ref. MC60