NIST Atomic Spectra Database Ionization Energies Data
Np (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)
|
At. Num. | El. name | Isoel. Seq. | Ground Shells a | Ground Level | Ionization Energy (eV) |
Uncertainty (eV) |
References |
---|---|---|---|---|---|---|---|
93 | Neptunium | Np | [Rn]5f46d7s2 | 6L11/2 | 6.26554 | 0.00025 | L15992 |
93 | Neptunium | U | [Rn]5f46d7s | 7L5 | [11.5] | 0.4 | L13741c99 |
93 | Neptunium | Pa | [Rn]5f5 | 6H°5/2 | [19.7] | 0.4 | L13741c99 |
93 | Neptunium | Th | [Rn]5f4 | 5I4 | [33.8] | 0.4 | L13741c99 |
93 | Neptunium | Ac | [Rn]5f3 | 4I°9/2 | (48.0) | 1.9 | L8672c99 |
93 | Neptunium | Ra | [Rn]5f2 | 3H4 | (65.0) | 2.0 | L8672c99 |
93 | Neptunium | Fr | [Rn]5f | 2F°5/2 | (92) | 5 | L582 |
93 | Neptunium | Rn | [Hg]5f6p5 | (107) | 5 | L582 | |
93 | Neptunium | At | [Hg]5f6p4 | ° | (121) | 6 | L582 |
93 | Neptunium | Po | [Hg]5f6p3 | (136) | 7 | L582 | |
93 | Neptunium | Bi | [Hg]5f6p2 | ° | (151) | 8 | L582 |
93 | Neptunium | Pb | [Hg]6p2 | 3P0 | (179.0) | 2.5 | L8672c99 |
93 | Neptunium | Tl | [Hg]6p | 2P°1/2 | (196) | 3 | L8672c99 |
93 | Neptunium | Hg | [Xe]4f145d106s2 | 1S0 | (233) | 3 | L8672c99 |
93 | Neptunium | Au | [Xe]4f145d106s | 2S1/2 | (252) | 3 | L8672c99 |
93 | Neptunium | Pt | [Xe]4f145d10 | 1S0 | (355) | 3 | L8672c99 |
93 | Neptunium | Ir | [Xe]4f145d9 | 2D5/2 | (382) | 3 | L8672c99 |
93 | Neptunium | Os | [Xe]4f145d8 | 3F4 | (408) | 3 | L8672c99 |
93 | Neptunium | Re | [Xe]4f145d7 | 4F9/2 | (438) | 3 | L8672c99 |
93 | Neptunium | W | [Xe]4f145d6 | 5D4 | (466) | 4 | L8672c99 |
93 | Neptunium | Ta | [Xe]4f145d5 | 6S5/2 | (495) | 4 | L8672c99 |
93 | Neptunium | Hf | [Xe]4f145d4 | 5D0 | (535) | 4 | L8672c99 |
93 | Neptunium | Lu | [Xe]4f145d3 | 4F3/2 | (565) | 4 | L8672c99 |
93 | Neptunium | Yb | [Xe]4f145d2 | 3F2 | (596) | 4 | L8672c99 |
93 | Neptunium | Tm | [Xe]4f145d | 2D3/2 | (626) | 4 | L8672c99 |
93 | Neptunium | Er | [Xe]4f14 | 1S0 | (770) | 40 | L582 |
93 | Neptunium | Ho | [Cd]4f145p5 | 2P°3/2 | (810) | 40 | L582 |
93 | Neptunium | Dy | [Cd]4f145p4 | 3P2 | (850) | 40 | L582 |
93 | Neptunium | Tb | [Cd]4f145p3 | 2P°3/2 | (880) | 40 | L582 |
93 | Neptunium | Gd | [Cd]4f145p2 | 3P0 | (980) | 50 | L582 |
93 | Neptunium | Eu | [Cd]4f145p | 2P°1/2 | (1 020) | 50 | L582 |
93 | Neptunium | Sm | [Cd]4f14 | 1S0 | (1 130) | 60 | L582 |
93 | Neptunium | Pm | [Kr]4d104f145s | 2S1/2 | (1 170) | 60 | L582 |
93 | Neptunium | Nd | [Kr]4d104f14 | 1S0 | (1 280) | 60 | L582 |
93 | Neptunium | Pr | [Kr]4d104f13 | 2F°7/2 | (1 360) | 70 | L582 |
93 | Neptunium | Ce | [Kr]4d104f12 | (1 430) | 70 | L582 | |
93 | Neptunium | La | [Kr]4d104f11 | 4I°15/2 | (1 510) | 70 | L582 |
93 | Neptunium | Ba | [Kr]4d104f10 | 5I8 | (1 590) | 80 | L582 |
93 | Neptunium | Cs | [Kr]4d104f9 | 6H°15/2 | (1 670) | 80 | L582 |
93 | Neptunium | Xe | [Kr]4d104f8 | 7F6 | (1 740) | 90 | L582 |
93 | Neptunium | I | [Kr]4d104f7 | 8S°7/2 | (1 820) | 90 | L582 |
93 | Neptunium | Te | [Kr]4d104f6 | 7F0 | (1 910) | 100 | L582 |
93 | Neptunium | Sb | [Kr]4d104f5 | 6H°5/2 | (1 990) | 100 | L582 |
93 | Neptunium | Sn | [Kr]4d104f4 | 5I4 | (2 070) | 100 | L582 |
93 | Neptunium | In | [Kr]4d104f3 | 4I°9/2 | (2 140) | 110 | L582 |
93 | Neptunium | Cd | [Kr]4d104f2 | 3H4 | (2 230) | 110 | L582 |
93 | Neptunium | Ag | [Kr]4d104f | 2F°5/2 | (2 310) | 110 | L582 |
93 | Neptunium | Pd | [Kr]4d10 | 1S0 | (2 675) | 4 | L8672c99 |
93 | Neptunium | Rh | [Kr]4d9 | 2D5/2 | (2 745) | 4 | L8672c99 |
93 | Neptunium | Ru | [Kr]4d8 | 3F4 | (2 817) | 4 | L8672c99 |
93 | Neptunium | Tc | [Kr]4d7 | 4F9/2 | (2 894) | 4 | L8672c99 |
93 | Neptunium | Mo | [Kr]4d6 | 5D4 | (2 969) | 4 | L8672c99 |
93 | Neptunium | Nb | [Kr]4d5 | 5/2 | (3 041) | 4 | L8672c99 |
93 | Neptunium | Zr | [Kr]4d4 | 5D0 | (3 181) | 5 | L8672c99 |
93 | Neptunium | Y | [Kr]4d3 | 4F3/2 | (3 255) | 5 | L8672c99 |
93 | Neptunium | Sr | [Kr]4d2 | 3F2 | (3 338) | 5 | L8672c99 |
93 | Neptunium | Rb | [Kr]4d | 2D3/2 | (3 413) | 5 | L8672c99 |
93 | Neptunium | Kr | [Ar]3d104s24p6 | 1S0 | (3 718) | 6 | L8672c99 |
93 | Neptunium | Br | [Ar]3d104s24p5 | 2P°3/2 | (3 792) | 6 | L8672c99 |
93 | Neptunium | Se | [Ar]3d104s24p4 | 3P2 | (3 872) | 7 | L8672c99 |
93 | Neptunium | As | [Ar]3d104s24p3 | °3/2 | (3 947) | 10 | L8672c99 |
93 | Neptunium | Ge | [Ar]3d104s24p2 | 3P0 | (4 353) | 12 | L8672c99 |
93 | Neptunium | Ga | [Ar]3d104s24p | 2P°1/2 | (4 441) | 15 | L8672c99 |
93 | Neptunium | Zn | [Ar]3d104s2 | 1S0 | (4 658) | 19 | L8672c99 |
93 | Neptunium | Cu | [Ar]3d104s | 2S1/2 | (4 744) | 24 | L8672c99 |
93 | Neptunium | Ni | [Ar]3d10 | 1S0 | (7 610) | 30 | L8672c99 |
93 | Neptunium | Co | [Ar]3d9 | 2D5/2 | (7 770) | 40 | L8672c99 |
93 | Neptunium | Fe | [Ar]3d8 | 3F4 | (7 950) | 40 | L8672c99 |
93 | Neptunium | Mn | [Ar]3d7 | 4F9/2 | (8 130) | 50 | L8672c99 |
93 | Neptunium | Cr | [Ar]3d6 | 4 | (8 310) | 50 | L8672c99 |
93 | Neptunium | V | [Ar]3d5 | 5/2 | (8 480) | 60 | L8672c99 |
93 | Neptunium | Ti | [Ar]3d4 | 5D0 | (8 890) | 60 | L8672c99 |
93 | Neptunium | Sc | [Ar]3d3 | 4F3/2 | (9 070) | 70 | L8672c99 |
93 | Neptunium | Ca | [Ar]3d2 | 3F2 | (9 270) | 90 | L8672c99 |
93 | Neptunium | K | [Ar]3d | 2D3/2 | (9 450) | 90 | L8672c99 |
93 | Neptunium | Ar | [Ne]3s23p6 | 1S0 | (9 970) | 100 | L8672c99 |
93 | Neptunium | Cl | [Ne]3s23p5 | 2P°3/2 | (10 130) | 110 | L8672c99 |
93 | Neptunium | S | [Ne]3s23p4 | 3P2 | (10 300) | 120 | L8672c99 |
93 | Neptunium | P | [Ne]3s23p3 | 2P°3/2 | (10 470) | 120 | L8672c99 |
93 | Neptunium | Si | [Ne]3s23p2 | 3P0 | (11 730) | 140 | L8672c99 |
93 | Neptunium | Al | [Ne]3s23p | 2P°1/2 | (11 930) | 150 | L8672c99 |
93 | Neptunium | Mg | [Ne]3s2 | 1S0 | (12 320) | 160 | L8672c99 |
93 | Neptunium | Na | [Ne]3s | 2S1/2 | (12 500) | 170 | L8672c99 |
93 | Neptunium | Ne | 1s22s22p6 | 1S0 | (25 870) | 190 | L8672c99 |
93 | Neptunium | F | 1s22s22p5 | 2P°3/2 | (26 300) | 200 | L8672c99 |
93 | Neptunium | O | 1s22s22p4 | 3P2 | (26 770) | 220 | L8672c99 |
93 | Neptunium | N | 1s22s22p3 | (0,3/2)°3/2 | (27 210) | 240 | L8672c99 |
93 | Neptunium | C | 1s22s22p2 | 3P0 | (31 910) | 250 | L8672c99 |
93 | Neptunium | B | 1s22s22p | 2P°1/2 | (32 500) | 300 | L8672c99 |
93 | Neptunium | Be | 1s22s2 | 1S0 | (33 300) | 300 | L8672c99 |
93 | Neptunium | Li | 1s22s | 2S1/2 | (33 722.2) | 0.7 | L16264c99 |
93 | Neptunium | He | 1s2 | 1S0 | (132 911) | 3 | L12128 |
93 | Neptunium | H | 1s | 2S1/2 | (135 202) | 4 | L19200 |
If you did not find the data you need, please inform the ASD Team.