NIST Atomic Ionization Energies Output

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, April 26]. 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
2	0	Helium	24.587389011	0.000000025	L17714
2	+1	Helium	(54.4177655282)	0.0000000010	L19200

NIST Atomic Spectra Database Ionization Energies Data He (all spectra) 2 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, April 26]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F BibTex Citation (new window)