NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Uranium (U)

Atomic Number = 92

Atomic Weight = 238.0289

Reference E95


Isotope    Mass       Abundance Spin Mag Moment

234U       234.040946 0.005%    0    
235U       235.043924 0.720%    7/2  -0.35
238U       238.050784 99.275%   0    

 
U I  Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f36d7s2  5L°6
     Ionization energy  49958.4 cm-1 (6.1941 eV)   Ref. CABC82
 
U II Ground State 1s22s22p63s23p63d104s24p64d104f145s25p65d106s26p65f37s2  4I°9/2
     Ionization energy  85000 cm-1 (10.6 eV)   Ref. SRC71