NIST Physical Measurement Laboratory Handbook of Basic Atomic Spectroscopic Data

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Atomic Data for Silicon (Si)

Atomic Number = 14

Atomic Weight = 28.0855

Reference E95


Isotope   Mass       Abundance Spin Mag Moment

28Si      27.976927  92.23%    0    
29Si      28.976495  4.67%     1/2  -0.5553
30Si      29.973770  3.10%     0    

 
Si I  Ground State 1s22s22p63s23p2  3P0
      Ionization energy  65747.76 cm-1 (8.15168 eV)   Ref. MKMD94
 
Si II Ground State 1s22s22p63s23p  2P°1/2
      Ionization energy  131838.14 cm-1 (16.34584 eV)   Ref. MZ83