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NIST Atomic Spectra Database
Ionization Energies Data

S (all spectra)
16 Data Rows Found 
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2023). NIST Atomic Spectra Database (ver. 5.11), [Online]. Available: https://physics.nist.gov/asd [2024, September 8]. 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 
16  Sulfur  S  [Ne]3s23p4   3P2    10.36001                  0.00012    L7237 
16  Sulfur  P  [Ne]3s23p3   4S°3/2    23.33788                  0.00025    L7237,L5883 
16  Sulfur  Si  [Ne]3s23p2   3P0    [34.86]                    0.04       L11770 
16  Sulfur  Al  [Ne]3s23p   2P°1/2    [47.222]                   0.012      L7237 
16  Sulfur  Mg  [Ne]3s2   1S0    72.5945                   0.0004     L7237 
16  Sulfur  Na  [Ne]3s   2S1/2    88.0529                   0.0004     L7237,L4882 
16  Sulfur  Ne  1s22s22p6   1S0    280.954                    0.007      L9896 
16  Sulfur  F  1s22s22p5   2P°3/2    328.794                    0.007      L11242 
16  Sulfur  O  1s22s22p4   3P2    [379.84]                    0.21       L11770 
16  Sulfur  N  1s22s22p3   4S°3/2    [447.7]                     0.3        L11770 
16  Sulfur  C  1s22s22p2   3P0    [504.55]                    0.12       L11770 
16  Sulfur  B  1s22s22p   2P°1/2    [564.41]                    0.05       L11770 
16  Sulfur  Be  1s22s2   1S0    [651.96]                    0.12       L11770 
16  Sulfur  Li  1s22s   2S1/2    (706.994)                   0.007      L16264c99 
16  Sulfur  He  1s2   1S0    (3 223.78057)                 0.00020    L21139 
16  Sulfur  H  1s   2S1/2    (3 494.188518)                0.000019   L19200 
Notes:
a Designations used in the ground shell lists:
[Ne] = 1s22s22p6

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