NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Rhenium (Re)

Atomic Number = 75

Atomic Weight = 186.207

Reference E95

Isotope    Mass        Abundance Spin Mag Moment
185Re 184.952951 37.40% 5/2 +3.172 187Re 186.955744 62.60% 5/2 +3.2197
Re I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d56s2  6S5/2
      Ionization energy  63181.6 cm-1 (7.83352 eV)   Ref. CS96
Re II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d56s  7S3