[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

Zr (all spectra)
40 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 [2026, October 26]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 

 Ionization  Energy 
 (cm-1) 
  53 507.832         
  105 900             
  [186 880]            
  277 602.8           
  [648 050]            
  [777 380]            
  (903 000)            
  [1 078 000]            
  (1 234 000)            
  [1 387 400]            
  [1 733 000]            
  1 905 500             
  (3 436 000)            
  (3 791 000)            
  (4 194 000)            
  (4 622 000)            
  (5 017 000)            
  (5 565 000)            
  (6 009 000)            
  (6 477 000)            
  (6 961 000)            
  (7 436 000)            
  [8 805 000]            
  [9 232 900]            
  [9 722 500]            
  [10 303 000]            
  [10 843 400]            
  [11 229 000]            
  [12 300 600]            
  [12 762 680]            
  [30 552 000]            
  [31 858 000]            
  [33 287 000]            
  [34 662 000]            
  [36 723 000]            
  [38 262 000]            
  [40 253 000]            
  (41 512 830)            
  (173 542 044)            
  (179 351 180)            
Notes:
a Uncertainty of the listed value is unknown.

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