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NIST Atomic Spectra Database
Ionization Energies Data

Rh (all spectra)
45 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) 
  60 160.1         
  [145 800]          
  [250 500]          
  (339 000)          
  (508 000)          
  (645 000)          
  (782 000)          
  (928 000)          
  (1 089 000)          
  [1 673 700]          
  (1 839 000)          
  (2 033 000)          
  (2 234 000)          
  (2 468 000)          
  [2 674 400]          
  (3 140 000)          
  [3 355 000]          
  (5 960 000)          
  (6 404 000)          
  (6 912 000)          
  (7 428 000)          
  (7 936 000)          
  (8 558 000)          
  (9 122 000)          
  (9 695 000)          
  (10 276 000)          
  (10 840 000)          
  [12 453 000]          
  [12 944 500]          
  [13 530 800]          
  [14 217 000]          
  [14 928 000]          
  [15 351 000]          
  [16 639 500]          
  [17 173 350]          
  [40 469 000]          
  [41 968 000]          
  [43 603 000]          
  [45 166 000]          
  [47 910 000]          
  [49 692 000]          
  [51 972 000]          
  (53 420 210)          
  (221 697 438)          
  (228 351 930)          
Notes:
a Uncertainty of the listed value is unknown.

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