NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Strontium (Sr)

Atomic Number = 38

Atomic Weight = 87.62

Reference E95


Isotope   Mass       Abundance Spin Mag Moment

84Sr      83.913430  0.56%     0    
86Sr      85.909267  9.86%     0    
87Sr      86.908884  7.00%     9/2  -1.093
88Sr      87.905619  82.58%    0    

 
Sr I  Ground State 1s22s22p63s23p63d104s24p65s2  1S0
      Ionization energy  45932.09 cm-1 (5.69485 eV)   Ref. RB78
 
Sr II Ground State 1s22s22p63s23p63d104s24p65s  2S1/2
      Ionization energy  88964.0 cm-1 (11.0301 eV)   Ref. M52