NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Plutonium (Pu)

Atomic Number = 94

Atomic Weight = (244)

Reference E95

Isotope    Mass        Abundance Spin Mag Moment
239Pu 239.052157 0 1/2 +0.203 242Pu 242.058737 0 0 244Pu 244.064199 0 0
Pu I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f67s2  7F0
      Ionization energy  48603 cm-1 (6.0260 eV)   Ref. WCJP93,KDEE97
Pu II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f67s  8F1/2
      Ionization energy  [90000] cm-1 (11.2 eV)   Ref. CNWM70