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NIST Atomic Spectra Database
Ionization Energies Data

P (all spectra)
15 Data Rows Found 
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2024). NIST Atomic Spectra Database (ver. 5.12), [Online]. Available: https://physics.nist.gov/asd [2025, May 17]. 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 
15  0  Phosphorus    10.486686                 0.000015   L5148 
15  +1  Phosphorus    [19.76949]                 0.00004    L11770 
15  +2  Phosphorus    30.20264                  0.00009    L7147 
15  +3  Phosphorus    51.44387                  0.00012    L7147 
15  +4  Phosphorus    65.02511                  0.00012    L7147,L2613 
15  +5  Phosphorus    [220.430]                   0.005      L11770 
15  +6  Phosphorus    [263.57]                    0.06       L7147 
15  +7  Phosphorus    [309.60]                    0.10       L7147 
15  +8  Phosphorus    [372.31]                    0.21       L11770 
15  +9  Phosphorus    [424.40]                    0.09       L11770 
15  +10  Phosphorus    [479.44]                    0.05       L11770 
15  +11  Phosphorus    [560.62]                    0.10       L11770 
15  +12  Phosphorus    (611.741)                   0.007      L16264c99 
15  +13  Phosphorus    (2 816.90868)                 0.00019    L21139 
15  +14  Phosphorus    (3 069.842145)                0.000014   L19200 

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