[skip navigation]
[ASD Home][Lines Query][Levels Query][List of Spectra][Ground States and Ionization Energies][Bibliography][Help] NIST Physical Measurement Laboratory
National Institute of Standards and Technology NIST Physical Measurement Laboratory
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 (2023). NIST Atomic Spectra Database (ver. 5.11), [Online]. Available: https://physics.nist.gov/asd [2024, October 11]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 

 At. Num.   Ion  Charge   El.  name   Ionization  Energy 
 (eV) 
Uncertainty
 (eV) 
 References 
Fluorine    17.42282                   0.00005     L7481,L526 
+1  Fluorine    34.97081                   0.00012     L369 
+2  Fluorine    [62.70798]                  0.00025     L11770 
+3  Fluorine    [87.175]                    0.017       L11770 
+4  Fluorine    [114.249]                    0.006       L11770 
+5  Fluorine    157.16311                   0.00025     L6491 
+6  Fluorine    185.1868                    0.0006      L6335 
+7  Fluorine    (953.8983)                   0.0003      L21139 
+8  Fluorine    (1 103.1175302)                0.0000019   L19200 

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

[ASD Home][Lines Query][Levels Query][List of Spectra][Ground States and Ionization Energies][Bibliography][Help] NIST Physical Measurement Laboratory