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, May 4]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
|
------------------------------------------------------------------------------------------------------------------------------------------------------ At. num | El. Name | Isoel. Seq. | Ground Shells (a) | Ground Level | Ionization Energy (eV) | Uncertainty (eV) | References --------|--------------|-------------|--------------------|-----------------|--------------------------------------|----------------------|----------- 91 | Protactinium | Pa | [Rn].5f2.6d.7s2 | 4K<11/2> | [5.89] | 0.12 | L16359 91 | Protactinium | Th | [Rn].5f2.7s2 | 3H<4> | [11.9] | 0.4 | L13741c99 91 | Protactinium | Ac | [Rn].5f2.6d | 4I<11/2> | [18.6] | 0.4 | L13741c99 91 | Protactinium | Ra | [Rn].5f2 | 3H<4> | [30.9] | 0.4 | L13741c99 91 | Protactinium | Fr | [Rn].5f | 2F*<5/2> | (44.3) | 0.4 | L12354c99 91 | Protactinium | Rn | [Hg].6p6 | 1S0 | (72.0) | 2.0 | L8672c99 91 | Protactinium | At | [Hg].6p5 | 2P*<3/2> | (85.1) | 2.0 | L8672c99 91 | Protactinium | Po | [Hg].6p4 | 3P<2> | (98.9) | 2.1 | L8672c99 91 | Protactinium | Bi | [Hg].6p3 | 4S*<3/2> | (111.0) | 2.2 | L8672c99 91 | Protactinium | Pb | [Hg].6p2 | 3P0 | (137.0) | 2.2 | L8672c99 91 | Protactinium | Tl | [Hg].6p | 2P*<1/2> | (153.0) | 2.4 | L8672c99 91 | Protactinium | Hg | [Xe].4f14.5d10.6s2 | 1S0 | (187.0) | 2.5 | L8672c99 91 | Protactinium | Au | [Xe].4f14.5d10.6s | 2S<1/2> | (203) | 3 | L8672c99 91 | Protactinium | Pt | [Xe].4f14.5d10 | 1S0 | (292) | 3 | L8672c99 91 | Protactinium | Ir | [Xe].4f14.5d9 | 2D<5/2> | (316) | 3 | L8672c99 91 | Protactinium | Os | [Xe].4f14.5d8 | 3F<4> | (342) | 3 | L8672c99 91 | Protactinium | Re | [Xe].4f14.5d7 | 4F<9/2> | (369) | 3 | L8672c99 91 | Protactinium | W | [Xe].4f14.5d6 | 5D<4> | (395) | 3 | L8672c99 91 | Protactinium | Ta | [Xe].4f14.5d5 | 6S<5/2> | (423) | 3 | L8672c99 91 | Protactinium | Hf | [Xe].4f14.5d4 | 5D0 | (460) | 4 | L8672c99 91 | Protactinium | Lu | [Xe].4f14.5d3 | 4F<3/2> | (488) | 4 | L8672c99 91 | Protactinium | Yb | [Xe].4f14.5d2 | 3F<2> | (518) | 4 | L8672c99 91 | Protactinium | Tm | [Xe].4f14.5d | 2D<3/2> | (546) | 4 | L8672c99 91 | Protactinium | Er | [Xe].4f14 | 1S0 | (690) | 40 | L582 91 | Protactinium | Ho | [Cd].4f14.5p5 | 2P*<3/2> | (720) | 40 | L582 91 | Protactinium | Dy | [Cd].4f14.5p4 | 3P<2> | (760) | 40 | L582 91 | Protactinium | Tb | [Cd].4f14.5p3 | 2P*<3/2> | (790) | 40 | L582 91 | Protactinium | Gd | [Cd].4f14.5p2 | 3P0 | (880) | 40 | L582 91 | Protactinium | Eu | [Cd].4f14.5p | 2P*<1/2> | (920) | 50 | L582 91 | Protactinium | Sm | [Cd].4f14 | 1S0 | (1020) | 50 | L582 91 | Protactinium | Pm | [Kr].4d10.4f14.5s | 2S<1/2> | (1060) | 50 | L582 91 | Protactinium | Nd | [Kr].4d10.4f14 | 1S0 | (1150) | 60 | L582 91 | Protactinium | Pr | [Kr].4d10.4f13 | 2F*<7/2> | (1220) | 60 | L582 91 | Protactinium | Ce | [Kr].4d10.4f12 | | (1300) | 60 | L582 91 | Protactinium | La | [Kr].4d10.4f11 | 4I*<15/2> | (1370) | 70 | L582 91 | Protactinium | Ba | [Kr].4d10.4f10 | 5I<8> | (1450) | 70 | L582 91 | Protactinium | Cs | [Kr].4d10.4f9 | 6H*<15/2> | (1520) | 80 | L582 91 | Protactinium | Xe | [Kr].4d10.4f8 | 7F<6> | (1600) | 80 | L582 91 | Protactinium | I | [Kr].4d10.4f7 | 8S*<7/2> | (1670) | 80 | L582 91 | Protactinium | Te | [Kr].4d10.4f6 | 7F0 | (1760) | 90 | L582 91 | Protactinium | Sb | [Kr].4d10.4f5 | 6H*<5/2> | (1830) | 90 | L582 91 | Protactinium | Sn | [Kr].4d10.4f4 | 5I<4> | (1910) | 100 | L582 91 | Protactinium | In | [Kr].4d10.4f3 | 4I*<9/2> | (1980) | 100 | L582 91 | Protactinium | Cd | [Kr].4d10.4f2 | 3H<4> | (2060) | 100 | L582 91 | Protactinium | Ag | [Kr].4d10.4f | 2F*<5/2> | (2130) | 110 | L582 91 | Protactinium | Pd | [Kr].4d10 | 1S0 | (2483) | 4 | L8672c99 91 | Protactinium | Rh | [Kr].4d9 | 2D<5/2> | (2550) | 4 | L8672c99 91 | Protactinium | Ru | [Kr].4d8 | 3F<4> | (2620) | 4 | L8672c99 91 | Protactinium | Tc | [Kr].4d7 | 4F<9/2> | (2696) | 4 | L8672c99 91 | Protactinium | Mo | [Kr].4d6 | 5D<4> | (2766) | 4 | L8672c99 91 | Protactinium | Nb | [Kr].4d5 | <5/2> | (2837) | 4 | L8672c99 91 | Protactinium | Zr | [Kr].4d4 | 5D0 | (2968) | 4 | L8672c99 91 | Protactinium | Y | [Kr].4d3 | 4F<3/2> | (3040) | 4 | L8672c99 91 | Protactinium | Sr | [Kr].4d2 | 3F<2> | (3119) | 5 | L8672c99 91 | Protactinium | Rb | [Kr].4d | 2D<3/2> | (3193) | 5 | L8672c99 91 | Protactinium | Kr | [Ar].3d10.4s2.4p6 | 1S0 | (3488) | 5 | L8672c99 91 | Protactinium | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | (3558) | 5 | L8672c99 91 | Protactinium | Se | [Ar].3d10.4s2.4p4 | 3P<2> | (3637) | 6 | L8672c99 91 | Protactinium | As | [Ar].3d10.4s2.4p3 | *<3/2> | (3709) | 6 | L8672c99 91 | Protactinium | Ge | [Ar].3d10.4s2.4p2 | 3P0 | (4077) | 7 | L8672c99 91 | Protactinium | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | (4161) | 10 | L8672c99 91 | Protactinium | Zn | [Ar].3d10.4s2 | 1S0 | (4370) | 12 | L8672c99 91 | Protactinium | Cu | [Ar].3d10.4s | 2S<1/2> | [4454] | 5 | L10278 91 | Protactinium | Ni | [Ar].3d10 | 1S0 | (7181) | 19 | L8672c99 91 | Protactinium | Co | [Ar].3d9 | 2D<5/2> | (7341) | 24 | L8672c99 91 | Protactinium | Fe | [Ar].3d8 | 3F<4> | (7510) | 30 | L8672c99 91 | Protactinium | Mn | [Ar].3d7 | 4F<9/2> | (7690) | 40 | L8672c99 91 | Protactinium | Cr | [Ar].3d6 | <4> | (7870) | 40 | L8672c99 91 | Protactinium | V | [Ar].3d5 | <5/2> | (8040) | 50 | L8672c99 91 | Protactinium | Ti | [Ar].3d4 | 5D0 | (8410) | 50 | L8672c99 91 | Protactinium | Sc | [Ar].3d3 | 4F<3/2> | (8590) | 60 | L8672c99 91 | Protactinium | Ca | [Ar].3d2 | 3F<2> | (8780) | 60 | L8672c99 91 | Protactinium | K | [Ar].3d | 2D<3/2> | (8960) | 70 | L8672c99 91 | Protactinium | Ar | [Ne].3s2.3p6 | 1S0 | (9460) | 90 | L8672c99 91 | Protactinium | Cl | [Ne].3s2.3p5 | 2P*<3/2> | (9620) | 90 | L8672c99 91 | Protactinium | S | [Ne].3s2.3p4 | 3P<2> | (9790) | 100 | L8672c99 91 | Protactinium | P | [Ne].3s2.3p3 | 2P*<3/2> | (9950) | 110 | L8672c99 91 | Protactinium | Si | [Ne].3s2.3p2 | 3P0 | (11100) | 120 | L8672c99 91 | Protactinium | Al | [Ne].3s2.3p | 2P*<1/2> | (11290) | 120 | L8672c99 91 | Protactinium | Mg | [Ne].3s2 | 1S0 | (11660) | 140 | L8672c99 91 | Protactinium | Na | [Ne].3s | 2S<1/2> | (11840) | 150 | L8672c99 91 | Protactinium | Ne | 1s2.2s2.2p6 | 1S0 | (24660) | 160 | L8672c99 91 | Protactinium | F | 1s2.2s2.2p5 | 2P*<3/2> | (25080) | 170 | L8672c99 91 | Protactinium | O | 1s2.2s2.2p4 | 3P<2> | (25540) | 190 | L8672c99 91 | Protactinium | N | 1s2.2s2.2p3 | (0,3/2)*<3/2> | (25970) | 200 | L8672c99 91 | Protactinium | C | 1s2.2s2.2p2 | 3P0 | (30230) | 220 | L8672c99 91 | Protactinium | B | 1s2.2s2.2p | 2P*<1/2> | (30800) | 240 | L8672c99 91 | Protactinium | Be | 1s2.2s2 | 1S0 | (31520) | 250 | L8672c99 91 | Protactinium | Li | 1s2.2s | 2S<1/2> | (31971.6) | 0.6 | L16264c99 91 | Protactinium | He | 1s2 | 1S0 | (126304.8) | 0.7 | L21139 91 | Protactinium | H | 1s | 2S<1/2> | (128507) | 3 | L19200 ------------------------------------------------------------------------------------------------------------------------------------------------------ Notes: (a) Designations used in the ground shell lists: [Ne] = 1s2.2s2.2p6 [Ar] = 1s2.2s2.2p6.3s2.3p6 [Kr] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6 [Cd] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2 [Xe] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2.5p6 [Hg] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2.5p6.4f14.5d10.6s2 [Rn] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2.5p6.4f14.5d10.6s2.6p6
If you did not find the data you need, please inform the ASD Team.