NIST Atomic Spectra Database Ionization Energies Data
Ac (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, March 28]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
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At. Num. | El. name | Isoel. Seq. | Ground Shells a | Ground Level | Ionization Energy (eV) |
Uncertainty (eV) |
References |
---|---|---|---|---|---|---|---|
89 | Actinium | Ac | [Rn]6d7s2 | 2D3/2 | 5.380235 | 0.000012 | L22136,L17893 |
89 | Actinium | Ra | [Rn]7s2 | 1S0 | [11.75] | 0.03 | L15123 |
89 | Actinium | Fr | [Rn]7s | 2S1/2 | [17.436] | 0.006 | L22136,L12354,L22076 |
89 | Actinium | Rn | [Hg]6p6 | 1S0 | [44.8] | 1.4 | L13741 |
89 | Actinium | At | [Hg]6p5 | 2P°3/2 | (55.0) | 1.9 | L8672c99 |
89 | Actinium | Po | [Hg]6p4 | 3P2 | (67.0) | 2.0 | L8672c99 |
89 | Actinium | Bi | [Hg]6p3 | 4S°3/2 | (79.0) | 2.0 | L8672c99 |
89 | Actinium | Pb | [Hg]6p2 | 3P0 | (98.9) | 2.1 | L8672c99 |
89 | Actinium | Tl | [Hg]6p | 2P°1/2 | (113.9) | 2.2 | L8672c99 |
89 | Actinium | Hg | [Xe]4f145d106s2 | 1S0 | (143.9) | 2.2 | L8672c99 |
89 | Actinium | Au | [Xe]4f145d106s | 2S1/2 | (161.1) | 2.4 | L8672c99 |
89 | Actinium | Pt | [Xe]4f145d10 | 1S0 | (233.0) | 2.5 | L8672c99 |
89 | Actinium | Ir | [Xe]4f145d9 | 2D5/2 | (255) | 3 | L8672c99 |
89 | Actinium | Os | [Xe]4f145d8 | 3F4 | (279) | 3 | L8672c99 |
89 | Actinium | Re | [Xe]4f145d7 | 4F9/2 | (305) | 3 | L8672c99 |
89 | Actinium | W | [Xe]4f145d6 | 5D4 | (330) | 3 | L8672c99 |
89 | Actinium | Ta | [Xe]4f145d5 | 6S5/2 | (355) | 3 | L8672c99 |
89 | Actinium | Hf | [Xe]4f145d4 | 5D0 | (390) | 3 | L8672c99 |
89 | Actinium | Lu | [Xe]4f145d3 | 4F3/2 | (416) | 3 | L8672c99 |
89 | Actinium | Yb | [Xe]4f145d2 | 3F2 | (444) | 4 | L8672c99 |
89 | Actinium | Tm | [Xe]4f145d | 2D3/2 | (470) | 4 | L8672c99 |
89 | Actinium | Er | [Xe]4f14 | 1S0 | (610) | 30 | L582 |
89 | Actinium | Ho | [Cd]4f145p5 | 2P°3/2 | (640) | 30 | L582 |
89 | Actinium | Dy | [Cd]4f145p4 | 3P2 | (670) | 30 | L582 |
89 | Actinium | Tb | [Cd]4f145p3 | 2P°3/2 | (710) | 40 | L582 |
89 | Actinium | Gd | [Cd]4f145p2 | 3P0 | (780) | 40 | L582 |
89 | Actinium | Eu | [Cd]4f145p | 2P°1/2 | (820) | 40 | L582 |
89 | Actinium | Sm | [Cd]4f14 | 1S0 | (920) | 50 | L582 |
89 | Actinium | Pm | [Kr]4d104f145s | 2S1/2 | (950) | 50 | L582 |
89 | Actinium | Nd | [Kr]4d104f14 | 1S0 | (1 030) | 50 | L582 |
89 | Actinium | Pr | [Kr]4d104f13 | 2F°7/2 | (1 100) | 50 | L582 |
89 | Actinium | Ce | [Kr]4d104f12 | (1 170) | 60 | L582 | |
89 | Actinium | La | [Kr]4d104f11 | 4I°15/2 | (1 240) | 60 | L582 |
89 | Actinium | Ba | [Kr]4d104f10 | 5I8 | (1 310) | 70 | L582 |
89 | Actinium | Cs | [Kr]4d104f9 | 6H°15/2 | (1 380) | 70 | L582 |
89 | Actinium | Xe | [Kr]4d104f8 | 7F6 | (1 460) | 70 | L582 |
89 | Actinium | I | [Kr]4d104f7 | 8S°7/2 | (1 530) | 80 | L582 |
89 | Actinium | Te | [Kr]4d104f6 | 7F0 | (1 610) | 80 | L582 |
89 | Actinium | Sb | [Kr]4d104f5 | 6H°5/2 | (1 680) | 80 | L582 |
89 | Actinium | Sn | [Kr]4d104f4 | 5I4 | (1 750) | 90 | L582 |
89 | Actinium | In | [Kr]4d104f3 | 4I°9/2 | (1 820) | 90 | L582 |
89 | Actinium | Cd | [Kr]4d104f2 | 3H4 | (1 900) | 100 | L582 |
89 | Actinium | Ag | [Kr]4d104f | 2F°5/2 | (1 970) | 100 | L582 |
89 | Actinium | Pd | [Kr]4d10 | 1S0 | (2 298) | 4 | L8672c99 |
89 | Actinium | Rh | [Kr]4d9 | 2D5/2 | (2 362) | 4 | L8672c99 |
89 | Actinium | Ru | [Kr]4d8 | 3F4 | (2 430) | 4 | L8672c99 |
89 | Actinium | Tc | [Kr]4d7 | 4F9/2 | (2 503) | 4 | L8672c99 |
89 | Actinium | Mo | [Kr]4d6 | 5D4 | (2 572) | 4 | L8672c99 |
89 | Actinium | Nb | [Kr]4d5 | 5/2 | (2 639) | 4 | L8672c99 |
89 | Actinium | Zr | [Kr]4d4 | 5D0 | (2 762) | 4 | L8672c99 |
89 | Actinium | Y | [Kr]4d3 | 4F3/2 | (2 833) | 4 | L8672c99 |
89 | Actinium | Sr | [Kr]4d2 | 3F2 | (2 908) | 4 | L8672c99 |
89 | Actinium | Rb | [Kr]4d | 2D3/2 | (2 980) | 4 | L8672c99 |
89 | Actinium | Kr | [Ar]3d104s24p6 | 1S0 | (3 264) | 5 | L8672c99 |
89 | Actinium | Br | [Ar]3d104s24p5 | 2P°3/2 | (3 334) | 5 | L8672c99 |
89 | Actinium | Se | [Ar]3d104s24p4 | 3P2 | (3 409) | 5 | L8672c99 |
89 | Actinium | As | [Ar]3d104s24p3 | °3/2 | (3 479) | 5 | L8672c99 |
89 | Actinium | Ge | [Ar]3d104s24p2 | 3P0 | (3 811) | 6 | L8672c99 |
89 | Actinium | Ga | [Ar]3d104s24p | 2P°1/2 | (3 893) | 6 | L8672c99 |
89 | Actinium | Zn | [Ar]3d104s2 | 1S0 | (4 093) | 7 | L8672c99 |
89 | Actinium | Cu | [Ar]3d104s | 2S1/2 | [4 175] | 4 | L10278 |
89 | Actinium | Ni | [Ar]3d10 | 1S0 | (6 767) | 12 | L8672c99 |
89 | Actinium | Co | [Ar]3d9 | 2D5/2 | (6 923) | 15 | L8672c99 |
89 | Actinium | Fe | [Ar]3d8 | 3F4 | (7 088) | 19 | L8672c99 |
89 | Actinium | Mn | [Ar]3d7 | 4F9/2 | (7 265) | 24 | L8672c99 |
89 | Actinium | Cr | [Ar]3d6 | 4 | (7 430) | 30 | L8672c99 |
89 | Actinium | V | [Ar]3d5 | 5/2 | (7 600) | 40 | L8672c99 |
89 | Actinium | Ti | [Ar]3d4 | 5D0 | (7 950) | 40 | L8672c99 |
89 | Actinium | Sc | [Ar]3d3 | 4F3/2 | (8 120) | 50 | L8672c99 |
89 | Actinium | Ca | [Ar]3d2 | 3F2 | (8 310) | 50 | L8672c99 |
89 | Actinium | K | [Ar]3d | 2D3/2 | (8 480) | 60 | L8672c99 |
89 | Actinium | Ar | [Ne]3s23p6 | 1S0 | (8 970) | 60 | L8672c99 |
89 | Actinium | Cl | [Ne]3s23p5 | 2P°3/2 | (9 120) | 70 | L8672c99 |
89 | Actinium | S | [Ne]3s23p4 | 3P2 | (9 290) | 90 | L8672c99 |
89 | Actinium | P | [Ne]3s23p3 | 2P°3/2 | (9 440) | 90 | L8672c99 |
89 | Actinium | Si | [Ne]3s23p2 | 3P0 | (10 480) | 100 | L8672c99 |
89 | Actinium | Al | [Ne]3s23p | 2P°1/2 | (10 660) | 110 | L8672c99 |
89 | Actinium | Mg | [Ne]3s2 | 1S0 | (11 030) | 120 | L8672c99 |
89 | Actinium | Na | [Ne]3s | 2S1/2 | (11 200) | 120 | L8672c99 |
89 | Actinium | Ne | 1s22s22p6 | 1S0 | (23 480) | 140 | L8672c99 |
89 | Actinium | F | 1s22s22p5 | 2P°3/2 | (23 890) | 150 | L8672c99 |
89 | Actinium | O | 1s22s22p4 | 3P2 | (24 340) | 160 | L8672c99 |
89 | Actinium | N | 1s22s22p3 | (0,3/2)°3/2 | (24 760) | 170 | L8672c99 |
89 | Actinium | C | 1s22s22p2 | 3P0 | (28 610) | 190 | L8672c99 |
89 | Actinium | B | 1s22s22p | 2P°1/2 | (29 160) | 200 | L8672c99 |
89 | Actinium | Be | 1s22s2 | 1S0 | (29 850) | 220 | L8672c99 |
89 | Actinium | Li | 1s22s | 2S1/2 | (30 293.1) | 0.5 | L16264c99 |
89 | Actinium | He | 1s2 | 1S0 | (119 945.7) | 0.6 | L21139 |
89 | Actinium | H | 1s | 2S1/2 | (122 063.1) | 2.2 | L19200 |
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