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[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

Md (all spectra)
101 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) 
  [53 100]         
  [100 000]         
  [196 000]         
  [323 000]         
  (436 000)         
  (613 000)         
  (774 000)         
  (928 000)         
  (1 161 000)         
  (1 307 000)         
  (1 508 000)         
  (1 735 000)         
  (1 937 000)         
  (2 100 000)         
  (2 271 000)         
  (2 480 000)         
  (2 690 000)         
  (2 900 000)         
  (3 110 000)         
  (3 320 000)         
  (3 530 000)         
  (3 726 000)         
  (3 920 000)         
  (5 315 000)         
  (5 565 000)         
  (5 831 000)         
  (6 130 000)         
  (6 404 000)         
  (6 678 000)         
  (7 138 000)         
  (7 420 000)         
  (7 727 000)         
  (8 017 000)         
  (9 388 000)         
  (9 719 000)         
  (10 060 000)         
  (10 390 000)         
  (11 570 000)         
  (11 950 000)         
  (13 030 000)         
  (13 420 000)         
  (14 860 000)         
  (15 600 000)         
  (16 320 000)         
  (17 051 000)         
  (17 780 000)         
  (18 500 000)         
  (19 240 000)         
  (20 000 000)         
  (20 800 000)         
  (21 600 000)         
  (22 300 000)         
  (23 100 000)         
  (23 800 000)         
  (24 600 000)         
  (28 334 000)         
  (28 971 000)         
  (29 641 000)         
  (30 343 000)         
  (31 012 000)         
  (31 665 000)         
  (33 141 000)         
  (33 827 000)         
  (34 569 000)         
  (35 254 000)         
  (38 053 000)         
  (38 715 000)         
  (39 441 000)         
  (40 118 000)         
  (45 030 000)         
  (45 828 000)         
  (47 861 000)         
  (48 659 000)         
  (76 090 000)         
  (77 566 000)         
  (79 131 000)         
  (80 817 000)         
  (82 406 000)         
  (83 938 000)         
  (88 156 000)         
  (89 778 000)         
  (91 584 000)         
  (93 238 000)         
  (97 875 000)         
  (99 295 000)         
  (100 852 000)         
  (102 295 000)         
  (117 459 000)         
  (119 249 000)         
  (122 838 000)         
  (124 500 000)         
  (250 145 000)         
  (253 968 000)         
  (258 235 000)         
  (262 114 000)         
  (318 194 000)         
  (323 759 000)         
  (330 639 000)         
  (335 110 000)         
  (1 307 147 000)         
  (1 328 910 000)         
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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