NIST Atomic Spectra Database Ionization Energies Data
Fr (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 24]. 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 |
---|---|---|---|---|---|---|---|
87 | Francium | Fr | [Rn]7s | 2S1/2 | 4.0727411 | 0.0000011 | L10714 |
87 | Francium | Rn | [Hg]6p6 | 1S0 | [22.4] | 1.9 | L16139 |
87 | Francium | At | [Hg]6p5 | 2P°3/2 | [33.5] | 1.5 | L16139 |
87 | Francium | Po | [Hg]6p4 | 3P2 | (39.1) | 1.7 | L8672c99 |
87 | Francium | Bi | [Hg]6p3 | 4S°3/2 | (50.0) | 1.9 | L8672c99 |
87 | Francium | Pb | [Hg]6p2 | 3P0 | (67.0) | 2.0 | L8672c99 |
87 | Francium | Tl | [Hg]6p | 2P°1/2 | (80.0) | 2.0 | L8672c99 |
87 | Francium | Hg | [Xe]4f145d106s2 | 1S0 | (106.0) | 2.1 | L8672c99 |
87 | Francium | Au | [Xe]4f145d106s | 2S1/2 | (120.0) | 2.2 | L8672c99 |
87 | Francium | Pt | [Xe]4f145d10 | 1S0 | (179.0) | 2.2 | L8672c99 |
87 | Francium | Ir | [Xe]4f145d9 | 2D5/2 | (200.0) | 2.4 | L8672c99 |
87 | Francium | Os | [Xe]4f145d8 | 3F4 | (222.1) | 2.5 | L8672c99 |
87 | Francium | Re | [Xe]4f145d7 | 4F9/2 | (245) | 3 | L8672c99 |
87 | Francium | W | [Xe]4f145d6 | 5D4 | (269) | 3 | L8672c99 |
87 | Francium | Ta | [Xe]4f145d5 | 6S5/2 | (293) | 3 | L8672c99 |
87 | Francium | Hf | [Xe]4f145d4 | 5D0 | (324) | 3 | L8672c99 |
87 | Francium | Lu | [Xe]4f145d3 | 4F3/2 | (349) | 3 | L8672c99 |
87 | Francium | Yb | [Xe]4f145d2 | 3F2 | (375) | 3 | L8672c99 |
87 | Francium | Tm | [Xe]4f145d | 2D3/2 | (400) | 3 | L8672c99 |
87 | Francium | Er | [Xe]4f14 | 1S0 | (530) | 30 | L582 |
87 | Francium | Ho | [Cd]4f145p5 | 2P°3/2 | (560) | 30 | L582 |
87 | Francium | Dy | [Cd]4f145p4 | 3P2 | (590) | 30 | L582 |
87 | Francium | Tb | [Cd]4f145p3 | 2P°3/2 | (620) | 30 | L582 |
87 | Francium | Gd | [Cd]4f145p2 | 3P0 | (690) | 30 | L582 |
87 | Francium | Eu | [Cd]4f145p | 2P°1/2 | (720) | 40 | L582 |
87 | Francium | Sm | [Cd]4f14 | 1S0 | (810) | 40 | L582 |
87 | Francium | Pm | [Kr]4d104f145s | 2S1/2 | (850) | 40 | L582 |
87 | Francium | Nd | [Kr]4d104f14 | 1S0 | (910) | 50 | L582 |
87 | Francium | Pr | [Kr]4d104f13 | 2F°7/2 | (980) | 50 | L582 |
87 | Francium | Ce | [Kr]4d104f12 | (1 040) | 50 | L582 | |
87 | Francium | La | [Kr]4d104f11 | 4I°15/2 | (1 110) | 50 | L582 |
87 | Francium | Ba | [Kr]4d104f10 | 5I8 | (1 180) | 60 | L582 |
87 | Francium | Cs | [Kr]4d104f9 | 6H°15/2 | (1 250) | 60 | L582 |
87 | Francium | Xe | [Kr]4d104f8 | 7F6 | (1 320) | 70 | L582 |
87 | Francium | I | [Kr]4d104f7 | 8S°7/2 | (1 380) | 70 | L582 |
87 | Francium | Te | [Kr]4d104f6 | 7F0 | (1 460) | 70 | L582 |
87 | Francium | Sb | [Kr]4d104f5 | 6H°5/2 | (1 530) | 80 | L582 |
87 | Francium | Sn | [Kr]4d104f4 | 5I4 | (1 600) | 80 | L582 |
87 | Francium | In | [Kr]4d104f3 | 4I°9/2 | (1 670) | 90 | L582 |
87 | Francium | Cd | [Kr]4d104f2 | 3H4 | (1 740) | 90 | L582 |
87 | Francium | Ag | [Kr]4d104f | 2F°5/2 | (1 810) | 90 | L582 |
87 | Francium | Pd | [Kr]4d10 | 1S0 | (2 119) | 4 | L8672c99 |
87 | Francium | Rh | [Kr]4d9 | 2D5/2 | (2 182) | 4 | L8672c99 |
87 | Francium | Ru | [Kr]4d8 | 3F4 | (2 247) | 4 | L8672c99 |
87 | Francium | Tc | [Kr]4d7 | 4F9/2 | (2 317) | 4 | L8672c99 |
87 | Francium | Mo | [Kr]4d6 | 5D4 | (2 384) | 4 | L8672c99 |
87 | Francium | Nb | [Kr]4d5 | 5/2 | (2 450) | 4 | L8672c99 |
87 | Francium | Zr | [Kr]4d4 | 5D0 | (2 564) | 4 | L8672c99 |
87 | Francium | Y | [Kr]4d3 | 4F3/2 | (2 631) | 4 | L8672c99 |
87 | Francium | Sr | [Kr]4d2 | 3F2 | (2 706) | 4 | L8672c99 |
87 | Francium | Rb | [Kr]4d | 2D3/2 | (2 774) | 4 | L8672c99 |
87 | Francium | Kr | [Ar]3d104s24p6 | 1S0 | (3 049) | 4 | L8672c99 |
87 | Francium | Br | [Ar]3d104s24p5 | 2P°3/2 | (3 115) | 4 | L8672c99 |
87 | Francium | Se | [Ar]3d104s24p4 | 3P2 | (3 190) | 5 | L8672c99 |
87 | Francium | As | [Ar]3d104s24p3 | °3/2 | (3 257) | 5 | L8672c99 |
87 | Francium | Ge | [Ar]3d104s24p2 | 3P0 | (3 556) | 5 | L8672c99 |
87 | Francium | Ga | [Ar]3d104s24p | 2P°1/2 | (3 635) | 5 | L8672c99 |
87 | Francium | Zn | [Ar]3d104s2 | 1S0 | (3 828) | 6 | L8672c99 |
87 | Francium | Cu | [Ar]3d104s | 2S1/2 | [3 907] | 4 | L10278 |
87 | Francium | Ni | [Ar]3d10 | 1S0 | (6 365) | 7 | L8672c99 |
87 | Francium | Co | [Ar]3d9 | 2D5/2 | (6 516) | 10 | L8672c99 |
87 | Francium | Fe | [Ar]3d8 | 3F4 | (6 678) | 12 | L8672c99 |
87 | Francium | Mn | [Ar]3d7 | 4F9/2 | (6 849) | 15 | L8672c99 |
87 | Francium | Cr | [Ar]3d6 | 4 | (7 013) | 19 | L8672c99 |
87 | Francium | V | [Ar]3d5 | 5/2 | (7 172) | 24 | L8672c99 |
87 | Francium | Ti | [Ar]3d4 | 5D0 | (7 500) | 30 | L8672c99 |
87 | Francium | Sc | [Ar]3d3 | 4F3/2 | (7 670) | 40 | L8672c99 |
87 | Francium | Ca | [Ar]3d2 | 3F2 | (7 850) | 40 | L8672c99 |
87 | Francium | K | [Ar]3d | 2D3/2 | (8 020) | 50 | L8672c99 |
87 | Francium | Ar | [Ne]3s23p6 | 1S0 | (8 500) | 50 | L8672c99 |
87 | Francium | Cl | [Ne]3s23p5 | 2P°3/2 | (8 640) | 60 | L8672c99 |
87 | Francium | S | [Ne]3s23p4 | 3P2 | (8 800) | 60 | L8672c99 |
87 | Francium | P | [Ne]3s23p3 | 2P°3/2 | (8 950) | 70 | L8672c99 |
87 | Francium | Si | [Ne]3s23p2 | 3P0 | (9 890) | 90 | L8672c99 |
87 | Francium | Al | [Ne]3s23p | 2P°1/2 | (10 070) | 90 | L8672c99 |
87 | Francium | Mg | [Ne]3s2 | 1S0 | (10 420) | 100 | L8672c99 |
87 | Francium | Na | [Ne]3s | 2S1/2 | (10 590) | 110 | L8672c99 |
87 | Francium | Ne | 1s22s22p6 | 1S0 | (22 330) | 120 | L8672c99 |
87 | Francium | F | 1s22s22p5 | 2P°3/2 | (22 730) | 120 | L8672c99 |
87 | Francium | O | 1s22s22p4 | 3P2 | (23 170) | 140 | L8672c99 |
87 | Francium | N | 1s22s22p3 | (0,3/2)°3/2 | (23 570) | 150 | L8672c99 |
87 | Francium | C | 1s22s22p2 | 3P0 | (27 060) | 160 | L8672c99 |
87 | Francium | B | 1s22s22p | 2P°1/2 | (27 590) | 170 | L8672c99 |
87 | Francium | Be | 1s22s2 | 1S0 | (28 260) | 190 | L8672c99 |
87 | Francium | Li | 1s22s | 2S1/2 | (28 683.4) | 0.5 | L16264c99 |
87 | Francium | He | 1s2 | 1S0 | (113 821.9) | 0.5 | L21139 |
87 | Francium | H | 1s | 2S1/2 | (115 857.5) | 0.7 | L19200 |
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