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NIST Atomic Spectra Database
Ionization Energies Data

Si (all spectra)
14 Data Rows Found 

Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2019). NIST Atomic Spectra Database (ver. 5.7.1), [Online]. Available: https://physics.nist.gov/asd [2019, November 22]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 

 At. Num.   El.  name   Isoel.  Seq.   Ground  Shells a   Ground  Level   Ionization  Energy 
 (eV) 
Uncertainty
 (eV) 
 References 
14  Silicon  Si  [Ne]3s23p2   3P0    8.15168                 0.00003   L5815 
14  Silicon  Al  [Ne]3s23p   21/2    16.34585                 0.00004   L5815 
14  Silicon  Mg  [Ne]3s2   1S0    33.49300                 0.00009   L5815 
14  Silicon  Na  [Ne]3s   2S1/2    45.14179                 0.00007   L5815,L6098 
14  Silicon  Ne  1s22s22p6   1S0    166.767                   0.003     L3934 
14  Silicon  1s22s22p5   23/2    [205.279]                  0.005     c192 
14  Silicon  1s22s22p4   3P2    [246.57]                   0.05      c193 
14  Silicon  1s22s22p3   43/2    [303.59]                   0.05      c193 
14  Silicon  1s22s22p2   3P0    [351.28]                   0.06      c193 
14  Silicon  1s22s22p   21/2    [401.38]                   0.04      L11770 
14  Silicon  Be  1s22s2   1S0    [476.273]                  0.019     c192 
14  Silicon  Li  1s22s   2S1/2    (523.415)                  0.007     L16264c99 
14  Silicon  He  1s2   1S0    (2 437.65813)                0.00020   L12128 
14  Silicon  1s   2S1/2    (2 673.17753)                0.00025   L7188 
Notes:
Designations used in the ground shell lists:
[Ne] = 1s22s22p6

If you did not find the data you need, please inform the ASD Team.

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