![[skip navigation]](/Images/dot_t.gif){kind=small}
![[ASD Home]](https://physics.nist.gov/PhysRefData/ASD/Images/ASD-sm.gif "ASD Home"){kind=small} ![[Lines Query]](https://physics.nist.gov/PhysRefData/ASD/Images/Lines.gif "Lines Query"){kind=small} ![[Levels Query]](https://physics.nist.gov/PhysRefData/ASD/Images/Levels.gif "Levels Query"){kind=small} ![[List of Spectra]](https://physics.nist.gov/PhysRefData/ASD/Images/List.gif "List of Spectra"){kind=small} ![[Ground States and Ionization Energies]](https://physics.nist.gov/PhysRefData/ASD/Images/GS-IE.gif "Ground States and Ionization Energies"){kind=small} ![[Bibliography]](https://physics.nist.gov/PhysRefData/ASD/Images/Bib.gif "Bibliography"){kind=small} ![[Help]](https://physics.nist.gov/PhysRefData/ASD/Images/Help.gif "Help"){kind=small} |
 |
| NIST Atomic Spectra Database Ionization Energies Data
Mt (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 30]. 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 (b) (eV) | Uncertainty (c) (eV) | References
--------|------------|-------------|-------------------|-----------------|--------------------------------------|----------------------|--------------
109 | Meitnerium | Db | [Rn].5f14.6d5 | <5/2> | (50.0) | 1.9 | L8672c99
109 | Meitnerium | Rf | [Rn].5f14.6d4 | 0 | | |
109 | Meitnerium | Lr | [Rn].5f14.6d3 | <3/2> | | |
109 | Meitnerium | No | [Rn].5f14.6d2 | <2> | (94.0) | 2.1 | L8672c99
109 | Meitnerium | Md | [Rn].5f14.6d | 2D<3/2> | (109.0) | 2.2 | L8672c99
109 | Meitnerium | Fm | [Rn].5f14 | 1S0 | (187.0) | 2.2 | L8672c99
109 | Meitnerium | Es | [Rn].5f13 | 2F*<7/2> | (202.0) | 2.4 | L8672c99
109 | Meitnerium | Cf | [Rn].5f12 | 3H<6> | (235.9) | 2.5 | L8672c99
109 | Meitnerium | Bk | [Rn].5f11 | 4I*<15/2> | (257) | 3 | L8672c99
109 | Meitnerium | Cm | [Rn].5f10 | 5I<8> | (289) | 3 | L8672c99
109 | Meitnerium | Am | [Rn].5f9 | 6H*<15/2> | (318) | 3 | L8672c99
109 | Meitnerium | Pu | [Rn].5f8 | 7F<6> | (346) | 3 | L8672c99
109 | Meitnerium | Np | [Rn].5f7 | 8S*<7/2> | (386) | 3 | L8672c99
109 | Meitnerium | U | [Rn].5f6 | 7F0 | (406) | 3 | L8672c99
109 | Meitnerium | Pa | [Rn].5f5 | 6H*<5/2> | (445) | 3 | L8672c99
109 | Meitnerium | Th | [Rn].5f4 | 5I<4> | | |
109 | Meitnerium | Pt | [Xe].4f14.5d10 | 1S0 | (1035) | 4 | L8672c99
109 | Meitnerium | Ir | [Xe].4f14.5d9 | 2D<5/2> | (1072) | 4 | L8672c99
109 | Meitnerium | Os | [Xe].4f14.5d8 | 3F<4> | (1112) | 5 | L8672c99
109 | Meitnerium | Re | [Xe].4f14.5d7 | 4F<9/2> | (1154) | 5 | L8672c99
109 | Meitnerium | W | [Xe].4f14.5d6 | 5D<4> | (1195) | 5 | L8672c99
109 | Meitnerium | Ta | [Xe].4f14.5d5 | 6S<5/2> | (1234) | 5 | L8672c98,c99
109 | Meitnerium | Hf | [Xe].4f14.5d4 | 5D0 | (1311) | 4 | L8672c98,c99
109 | Meitnerium | Lu | [Xe].4f14.5d3 | 4F<3/2> | (1352) | 4 | L8672c99
109 | Meitnerium | Yb | [Xe].4f14.5d2 | 3F<2> | (1397) | 4 | L8672c99
109 | Meitnerium | Tm | [Xe].4f14.5d | 2D<3/2> | (1439) | 4 | L8672c99
109 | Meitnerium | Er | [Xe].4f14 | 1S0 | | |
109 | Meitnerium | Ho | [Cd].4f14.5p5 | 2P*<3/2> | | |
109 | Meitnerium | Dy | [Cd].4f14.5p4 | 3P<2> | | |
109 | Meitnerium | Tb | [Cd].4f14.5p3 | 2P*<3/2> | | |
109 | Meitnerium | Gd | [Cd].4f14.5p2 | 3P0 | | |
109 | Meitnerium | Eu | [Cd].4f14.5p | 2P*<1/2> | | |
109 | Meitnerium | Sm | [Cd].4f14 | 1S0 | | |
109 | Meitnerium | Pm | [Kr].4d10.4f14.5s | 2S<1/2> | | |
109 | Meitnerium | Nd | [Kr].4d10.4f14 | 1S0 | | |
109 | Meitnerium | Pr | [Kr].4d10.4f13 | 2F*<7/2> | | |
109 | Meitnerium | Ce | [Kr].4d10.4f12 | | | |
109 | Meitnerium | La | [Kr].4d10.4f11 | 4I*<15/2> | | |
109 | Meitnerium | Ba | [Kr].4d10.4f10 | 5I<8> | | |
109 | Meitnerium | Cs | [Kr].4d10.4f9 | 6H*<15/2> | | |
109 | Meitnerium | Xe | [Kr].4d10.4f8 | 7F<6> | | |
109 | Meitnerium | I | [Kr].4d10.4f7 | 8S*<7/2> | | |
109 | Meitnerium | Te | [Kr].4d10.4f6 | 7F0 | | |
109 | Meitnerium | Sb | [Kr].4d10.4f5 | 6H*<5/2> | | |
109 | Meitnerium | Sn | [Kr].4d10.4f4 | 5I<4> | | |
109 | Meitnerium | In | [Kr].4d10.4f3 | 4I*<9/2> | | |
109 | Meitnerium | Cd | [Kr].4d10.4f2 | 3H<4> | | |
109 | Meitnerium | Ag | [Kr].4d10.4f | 2F*<5/2> | | |
109 | Meitnerium | Pd | [Kr].4d10 | 1S0 | (4464) | 19 | L8672c99
109 | Meitnerium | Rh | [Kr].4d9 | 2D<5/2> | (4551) | 24 | L8672c99
109 | Meitnerium | Ru | [Kr].4d8 | 3F<4> | (4640) | 30 | L8672c99
109 | Meitnerium | Tc | [Kr].4d7 | 4F<9/2> | (4740) | 40 | L8672c99
109 | Meitnerium | Mo | [Kr].4d6 | 5D<4> | (4830) | 40 | L8672c99
109 | Meitnerium | Nb | [Kr].4d5 | <5/2> | (4920) | 50 | L8672c99
109 | Meitnerium | Zr | [Kr].4d4 | 5D0 | (5160) | 50 | L8672c99
109 | Meitnerium | Y | [Kr].4d3 | 4F<3/2> | (5250) | 60 | L8672c99
109 | Meitnerium | Sr | [Kr].4d2 | 3F<2> | (5360) | 60 | L8672c99
109 | Meitnerium | Rb | [Kr].4d | 2D<3/2> | (5450) | 70 | L8672c99
109 | Meitnerium | Kr | [Ar].3d10.4s2.4p6 | 1S0 | (5840) | 90 | L8672c99
109 | Meitnerium | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | (5930) | 90 | L8672c99
109 | Meitnerium | Se | [Ar].3d10.4s2.4p4 | 3P<2> | (6030) | 100 | L8672c99
109 | Meitnerium | As | [Ar].3d10.4s2.4p3 | *<3/2> | (6130) | 110 | L8672c99
109 | Meitnerium | Ge | [Ar].3d10.4s2.4p2 | 3P0 | (7030) | 120 | L8672c99
109 | Meitnerium | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | (7150) | 120 | L8672c99
109 | Meitnerium | Zn | [Ar].3d10.4s2 | 1S0 | (7430) | 140 | L8672c99
109 | Meitnerium | Cu | [Ar].3d10.4s | 2S<1/2> | (7550) | 150 | L8672c99
109 | Meitnerium | Ni | [Ar].3d10 | 1S0 | (11460) | 160 | L8672c99
109 | Meitnerium | Co | [Ar].3d9 | 2D<5/2> | (11660) | 170 | L8672c99
109 | Meitnerium | Fe | [Ar].3d8 | 3F<4> | (11870) | 190 | L8672c99
109 | Meitnerium | Mn | [Ar].3d7 | 4F<9/2> | (12100) | 200 | L8672c99
109 | Meitnerium | Cr | [Ar].3d6 | <4> | (12320) | 220 | L8672c99
109 | Meitnerium | V | [Ar].3d5 | <5/2> | (12530) | 240 | L8672c99
109 | Meitnerium | Ti | [Ar].3d4 | 5D0 | (13200) | 250 | L8672c99
109 | Meitnerium | Sc | [Ar].3d3 | 4F<3/2> | (13400) | 300 | L8672c99
109 | Meitnerium | Ca | [Ar].3d2 | 3F<2> | (13700) | 300 | L8672c99
109 | Meitnerium | K | [Ar].3d | 2D<3/2> | (13900) | 300 | L8672c99
109 | Meitnerium | Ar | [Ne].3s2.3p6 | 1S0 | (14500) | 300 | L8672c99
109 | Meitnerium | Cl | [Ne].3s2.3p5 | 2P*<3/2> | (14700) | 400 | L8672c99
109 | Meitnerium | S | [Ne].3s2.3p4 | 3P<2> | (14900) | 400 | L8672c99
109 | Meitnerium | P | [Ne].3s2.3p3 | 2P*<3/2> | (15100) | 400 | L8672c99
109 | Meitnerium | Si | [Ne].3s2.3p2 | 3P0 | (17900) | 400 | L8672c99
109 | Meitnerium | Al | [Ne].3s2.3p | 2P*<1/2> | (18200) | 400 | L8672c99
109 | Meitnerium | Mg | [Ne].3s2 | 1S0 | (18700) | 400 | L8672c99
109 | Meitnerium | Na | [Ne].3s | 2S<1/2> | (18900) | 500 | L8672c99
109 | Meitnerium | Ne | 1s2.2s2.2p6 | 1S0 | (36700) | 500 | L8672c99
109 | Meitnerium | F | 1s2.2s2.2p5 | 2P*<3/2> | (37200) | 500 | L8672c99
109 | Meitnerium | O | 1s2.2s2.2p4 | 3P<2> | (37800) | 500 | L8672c99
109 | Meitnerium | N | 1s2.2s2.2p3 | (0,3/2)*<3/2> | (38300) | 500 | L8672c99
109 | Meitnerium | C | 1s2.2s2.2p2 | 3P0 | (48500) | 500 | L8672c99
109 | Meitnerium | B | 1s2.2s2.2p | 2P*<1/2> | (49400) | 600 | L8672c99
109 | Meitnerium | Be | 1s2.2s2 | 1S0 | (50300) | 600 | L8672c99
109 | Meitnerium | Li | 1s2.2s | 2S<1/2> | | |
109 | Meitnerium | He | 1s2 | 1S0 | (196392) | 14 | u52
109 | Meitnerium | H | 1s | 2S<1/2> | (199605) | 15 | 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
[Rn] = 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d10.5s2.5p6.4f14.5d10.6s2.6p6
(b) If the listed ionization energy is blank, it is unknown. Only the ground state is known.
(c) Uncertainties of some of the listed values are unknown.
If you did not find the data you need, please inform the ASD Team.
|
|