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NIST Atomic Spectra Database
Ionization Energies Data

F (all spectra)
9 Data Rows Found 
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2022). NIST Atomic Spectra Database (ver. 5.10), [Online]. Available: https://physics.nist.gov/asd [2023, May 31]. 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   Ground  Level   Ionization  Energy 
 (eV) 		 Uncertainty
 (eV) 		  References 
9  Fluorine  F  1s22s22p5   2P°3/2    17.42282                   0.00005     L7481,L526 
9  Fluorine  O  1s22s22p4   3P2    34.97081                   0.00012     L369 
9  Fluorine  N  1s22s22p3   4S°3/2    [62.70798]                  0.00025     L11770 
9  Fluorine  C  1s22s22p2   3P0    [87.175]                    0.017       L11770 
9  Fluorine  B  1s22s22p   2P°1/2    [114.249]                    0.006       L11770 
9  Fluorine  Be  1s22s2   1S0    157.16311                   0.00025     L6491 
9  Fluorine  Li  1s22s   2S1/2    185.1868                    0.0006      L6335 
9  Fluorine  He  1s2   1S0    [953.89805]                  0.00010     L10054 
9  Fluorine  H  1s   2S1/2    (1 103.1175302)                0.0000019   L19200 

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