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National Institute of Standards and Technology NIST Physical Measurement Laboratory
NIST Atomic Spectra Database
Ionization Energies Data

Pd (all spectra)
46 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) 
  67 241.14         
  [156 700]           
  [265 600]           
  (371 000)           
  (492 000)           
  (678 000)           
  (815 000)           
  (968 000)           
  (1 137 000)           
  (1 290 000)           
  [1 924 200]           
  (2 097 000)           
  (2 307 000)           
  (2 508 000)           
  (2 758 000)           
  [2 977 000]           
  (3 444 000)           
  [3 690 000]           
  (6 533 000)           
  (7 009 000)           
  (7 525 000)           
  (8 066 000)           
  (8 590 000)           
  (9 235 000)           
  (9 824 000)           
  (10 405 000)           
  (11 018 000)           
  (11 598 000)           
  [13 257 000]           
  [13 761 200]           
  [14 366 900]           
  [15 075 000]           
  [15 826 800]           
  [16 257 000]           
  [17 590 000]           
  [18 138 340]           
  [42 621 000]           
  [44 158 000]           
  [45 834 000]           
  [47 435 000]           
  [50 342 000]           
  [52 173 000]           
  [54 513 000]           
  (55 999 850)           
  (232 094 350)           
  (238 923 010)           
Notes:
a Uncertainty of the listed value is unknown.

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

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