NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Ruthenium (Ru)

Atomic Number = 44

Atomic Weight = 101.07

Reference E95


  Isotope   Mass   Abundance   Spin   Mag Moment 
              
96Ru95.9075995.53%0 
98Ru97.9052871.87%0 
99Ru98.90593912.7%5/2-6.413
100Ru99.90421912.6%0 
101Ru100.90558217.1%5/2-0.7188
102Ru101.90434831.6%0 
104Ru103.90542418.6%0 

Ru I  Ground State 1s22s22p63s23p63d104s24p64d75s 5F5
       Ionization energy  59366.4 cm-1 (7.36050 eV)   Ref. CHR88a

Ru II Ground State 1s22s22p63s23p63d104s24p64d7 4F9/2
       Ionization energy  135200 cm-1 (16.76 eV)   Ref. SM58