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| NIST Atomic Spectra Database Ionization Energies Data
Pa (all spectra) |
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 25]. 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 |
|---|---|---|---|---|---|
| 91 | 0 | Protactinium | [5.89] | 0.12 | L16359 |
| 91 | +1 | Protactinium | [11.9] | 0.4 | L13741c99 |
| 91 | +2 | Protactinium | [18.6] | 0.4 | L13741c99 |
| 91 | +3 | Protactinium | [30.9] | 0.4 | L13741c99 |
| 91 | +4 | Protactinium | (44.3) | 0.4 | L12354c99 |
| 91 | +5 | Protactinium | (72.0) | 2.0 | L8672c99 |
| 91 | +6 | Protactinium | (85.1) | 2.0 | L8672c99 |
| 91 | +7 | Protactinium | (98.9) | 2.1 | L8672c99 |
| 91 | +8 | Protactinium | (111.0) | 2.2 | L8672c99 |
| 91 | +9 | Protactinium | (137.0) | 2.2 | L8672c99 |
| 91 | +10 | Protactinium | (153.0) | 2.4 | L8672c99 |
| 91 | +11 | Protactinium | (187.0) | 2.5 | L8672c99 |
| 91 | +12 | Protactinium | (203) | 3 | L8672c99 |
| 91 | +13 | Protactinium | (292) | 3 | L8672c99 |
| 91 | +14 | Protactinium | (316) | 3 | L8672c99 |
| 91 | +15 | Protactinium | (342) | 3 | L8672c99 |
| 91 | +16 | Protactinium | (369) | 3 | L8672c99 |
| 91 | +17 | Protactinium | (395) | 3 | L8672c99 |
| 91 | +18 | Protactinium | (423) | 3 | L8672c99 |
| 91 | +19 | Protactinium | (460) | 4 | L8672c99 |
| 91 | +20 | Protactinium | (488) | 4 | L8672c99 |
| 91 | +21 | Protactinium | (518) | 4 | L8672c99 |
| 91 | +22 | Protactinium | (546) | 4 | L8672c99 |
| 91 | +23 | Protactinium | (690) | 40 | L582 |
| 91 | +24 | Protactinium | (720) | 40 | L582 |
| 91 | +25 | Protactinium | (760) | 40 | L582 |
| 91 | +26 | Protactinium | (790) | 40 | L582 |
| 91 | +27 | Protactinium | (880) | 40 | L582 |
| 91 | +28 | Protactinium | (920) | 50 | L582 |
| 91 | +29 | Protactinium | (1 020) | 50 | L582 |
| 91 | +30 | Protactinium | (1 060) | 50 | L582 |
| 91 | +31 | Protactinium | (1 150) | 60 | L582 |
| 91 | +32 | Protactinium | (1 220) | 60 | L582 |
| 91 | +33 | Protactinium | (1 300) | 60 | L582 |
| 91 | +34 | Protactinium | (1 370) | 70 | L582 |
| 91 | +35 | Protactinium | (1 450) | 70 | L582 |
| 91 | +36 | Protactinium | (1 520) | 80 | L582 |
| 91 | +37 | Protactinium | (1 600) | 80 | L582 |
| 91 | +38 | Protactinium | (1 670) | 80 | L582 |
| 91 | +39 | Protactinium | (1 760) | 90 | L582 |
| 91 | +40 | Protactinium | (1 830) | 90 | L582 |
| 91 | +41 | Protactinium | (1 910) | 100 | L582 |
| 91 | +42 | Protactinium | (1 980) | 100 | L582 |
| 91 | +43 | Protactinium | (2 060) | 100 | L582 |
| 91 | +44 | Protactinium | (2 130) | 110 | L582 |
| 91 | +45 | Protactinium | (2 483) | 4 | L8672c99 |
| 91 | +46 | Protactinium | (2 550) | 4 | L8672c99 |
| 91 | +47 | Protactinium | (2 620) | 4 | L8672c99 |
| 91 | +48 | Protactinium | (2 696) | 4 | L8672c99 |
| 91 | +49 | Protactinium | (2 766) | 4 | L8672c99 |
| 91 | +50 | Protactinium | (2 837) | 4 | L8672c99 |
| 91 | +51 | Protactinium | (2 968) | 4 | L8672c99 |
| 91 | +52 | Protactinium | (3 040) | 4 | L8672c99 |
| 91 | +53 | Protactinium | (3 119) | 5 | L8672c99 |
| 91 | +54 | Protactinium | (3 193) | 5 | L8672c99 |
| 91 | +55 | Protactinium | (3 488) | 5 | L8672c99 |
| 91 | +56 | Protactinium | (3 558) | 5 | L8672c99 |
| 91 | +57 | Protactinium | (3 637) | 6 | L8672c99 |
| 91 | +58 | Protactinium | (3 709) | 6 | L8672c99 |
| 91 | +59 | Protactinium | (4 077) | 7 | L8672c99 |
| 91 | +60 | Protactinium | (4 161) | 10 | L8672c99 |
| 91 | +61 | Protactinium | (4 370) | 12 | L8672c99 |
| 91 | +62 | Protactinium | [4 454] | 5 | L10278 |
| 91 | +63 | Protactinium | (7 181) | 19 | L8672c99 |
| 91 | +64 | Protactinium | (7 341) | 24 | L8672c99 |
| 91 | +65 | Protactinium | (7 510) | 30 | L8672c99 |
| 91 | +66 | Protactinium | (7 690) | 40 | L8672c99 |
| 91 | +67 | Protactinium | (7 870) | 40 | L8672c99 |
| 91 | +68 | Protactinium | (8 040) | 50 | L8672c99 |
| 91 | +69 | Protactinium | (8 410) | 50 | L8672c99 |
| 91 | +70 | Protactinium | (8 590) | 60 | L8672c99 |
| 91 | +71 | Protactinium | (8 780) | 60 | L8672c99 |
| 91 | +72 | Protactinium | (8 960) | 70 | L8672c99 |
| 91 | +73 | Protactinium | (9 460) | 90 | L8672c99 |
| 91 | +74 | Protactinium | (9 620) | 90 | L8672c99 |
| 91 | +75 | Protactinium | (9 790) | 100 | L8672c99 |
| 91 | +76 | Protactinium | (9 950) | 110 | L8672c99 |
| 91 | +77 | Protactinium | (11 100) | 120 | L8672c99 |
| 91 | +78 | Protactinium | (11 290) | 120 | L8672c99 |
| 91 | +79 | Protactinium | (11 660) | 140 | L8672c99 |
| 91 | +80 | Protactinium | (11 840) | 150 | L8672c99 |
| 91 | +81 | Protactinium | (24 660) | 160 | L8672c99 |
| 91 | +82 | Protactinium | (25 080) | 170 | L8672c99 |
| 91 | +83 | Protactinium | (25 540) | 190 | L8672c99 |
| 91 | +84 | Protactinium | (25 970) | 200 | L8672c99 |
| 91 | +85 | Protactinium | (30 230) | 220 | L8672c99 |
| 91 | +86 | Protactinium | (30 800) | 240 | L8672c99 |
| 91 | +87 | Protactinium | (31 520) | 250 | L8672c99 |
| 91 | +88 | Protactinium | (31 971.6) | 0.6 | L16264c99 |
| 91 | +89 | Protactinium | (126 304.8) | 0.7 | L21139 |
| 91 | +90 | Protactinium | (128 507) | 3 | L19200 |
If you did not find the data you need, please inform the ASD Team.
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