![[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
La (all spectra) |
Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2024). NIST Atomic Spectra Database (ver. 5.12), [Online]. Available: https://physics.nist.gov/asd [2025, April 27]. 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
--------|-----------|-------------|-------------------|----------------|--------------------------------------|----------------------|--------------
57 | Lanthanum | La | [Xe].5d.6s2 | 2D<3/2> | 5.5769 | 0.0006 | L3974,L16228
57 | Lanthanum | Ba | [Xe].5d2 | 3F<2> | 11.18496 | 0.00006 | L8469
57 | Lanthanum | Cs | [Xe].5d | 2D<3/2> | 19.1773 | 0.0006 | L3974,L3420
57 | Lanthanum | Xe | [Cd].5p6 | 1S0 | [49.95] | 0.06 | L3974
57 | Lanthanum | I | [Cd].5p5 | 2P*<3/2> | [61.6] | 0.6 | L3974,L3749
57 | Lanthanum | Te | [Cd].5p4 | 3P<2> | (74.0) | 2.0 | L8672c99
57 | Lanthanum | Sb | [Cd].5p3 | 4S*<3/2> | (88.0) | 2.0 | L8672c99
57 | Lanthanum | Sn | [Cd].5p2 | 3P0 | (105.0) | 2.1 | L8672c99
57 | Lanthanum | In | [Cd].5p | 2P*<1/2> | (119.0) | 2.2 | L8672c99
57 | Lanthanum | Cd | [Kr].4d10.5s2 | 1S0 | [151.4] | 0.7 | L6980
57 | Lanthanum | Ag | [Kr].4d10.5s | 2S<1/2> | [168.77] | 0.12 | L5438
57 | Lanthanum | Pd | [Kr].4d10 | 1S0 | (275.0) | 2.5 | L8672c99
57 | Lanthanum | Rh | [Kr].4d9 | 2D<5/2> | (303) | 3 | L8672c99
57 | Lanthanum | Ru | [Kr].4d8 | 3F<4> | (332) | 3 | L8672c99
57 | Lanthanum | Tc | [Kr].4d7 | 4F<9/2> | (364) | 3 | L8672c99
57 | Lanthanum | Mo | [Kr].4d6 | 5D<4> | (393) | 3 | L8672c99
57 | Lanthanum | Nb | [Kr].4d5 | 6S<5/2> | (431) | 3 | L8672c99
57 | Lanthanum | Zr | [Kr].4d4 | 5D0 | (464) | 3 | L8672c99
57 | Lanthanum | Y | [Kr].4d3 | 4F<3/2> | (498) | 3 | L8672c99
57 | Lanthanum | Sr | [Kr].4d2 | 3F<2> | (533) | 4 | L8672c99
57 | Lanthanum | Rb | [Kr].4d | 2D<3/2> | (566) | 4 | L8672c99
57 | Lanthanum | Kr | [Ar].3d10.4s2.4p6 | 1S0 | (696) | 4 | L8672c99
57 | Lanthanum | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | (731) | 4 | L8672c99
57 | Lanthanum | Se | [Ar].3d10.4s2.4p4 | 3P<2> | (770) | 4 | L8672c99
57 | Lanthanum | As | [Ar].3d10.4s2.4p3 | 4S*<3/2> | (806) | 4 | L8672c99
57 | Lanthanum | Ge | [Ar].3d10.4s2.4p2 | 3P0 | (865) | 4 | L8672c99
57 | Lanthanum | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | (906) | 4 | L8672c99
57 | Lanthanum | Zn | [Ar].3d10.4s2 | 1S0 | (995) | 4 | L8672c99
57 | Lanthanum | Cu | [Ar].3d10.4s | 2S<1/2> | [1039.09] | 0.12 | L5473
57 | Lanthanum | Ni | [Ar].3d10 | 1S0 | (1800) | 4 | L8672c99
57 | Lanthanum | Co | [Ar].3d9 | 2D<5/2> | (1884) | 4 | L8672c99
57 | Lanthanum | Fe | [Ar].3d8 | 3F<4> | (1974) | 4 | L8672c99
57 | Lanthanum | Mn | [Ar].3d7 | 4F<9/2> | (2069) | 4 | L8672c99
57 | Lanthanum | Cr | [Ar].3d6 | (0,4)<4> | (2162) | 5 | L8672c99
57 | Lanthanum | V | [Ar].3d5 | (0,5/2)<5/2> | (2259) | 5 | L8672c99
57 | Lanthanum | Ti | [Ar].3d4 | 5D0 | (2377) | 5 | L8672c99
57 | Lanthanum | Sc | [Ar].3d3 | 4F<3/2> | (2473) | 5 | L8672c99
57 | Lanthanum | Ca | [Ar].3d2 | 3F<2> | (2577) | 4 | L8672c99
57 | Lanthanum | K | [Ar].3d | 2D<3/2> | (2674) | 4 | L8672c99
57 | Lanthanum | Ar | [Ne].3s2.3p6 | 1S0 | (2950) | 4 | L8672c99
57 | Lanthanum | Cl | [Ne].3s2.3p5 | 2P*<3/2> | (3036) | 4 | L8672c99
57 | Lanthanum | S | [Ne].3s2.3p4 | 3P<2> | (3133) | 4 | L8672c99
57 | Lanthanum | P | [Ne].3s2.3p3 | 2P*<3/2> | (3222) | 4 | L8672c99
57 | Lanthanum | Si | [Ne].3s2.3p2 | 3P0 | (3416) | 4 | L8672c99
57 | Lanthanum | Al | [Ne].3s2.3p | 2P*<1/2> | (3515) | 4 | L8672c99
57 | Lanthanum | Mg | [Ne].3s2 | 1S0 | (3704) | 4 | L8672c99
57 | Lanthanum | Na | [Ne].3s | 2S<1/2> | (3800) | 4 | L8672c99
57 | Lanthanum | Ne | 1s2.2s2.2p6 | 1S0 | (8669) | 4 | L8672c99
57 | Lanthanum | F | 1s2.2s2.2p5 | 2P*<3/2> | (8914) | 4 | L8672c99
57 | Lanthanum | O | 1s2.2s2.2p4 | 3P<2> | (9184) | 4 | L8672c99
57 | Lanthanum | N | 1s2.2s2.2p3 | (0,3/2)*<3/2> | (9437) | 4 | L8672c99
57 | Lanthanum | C | 1s2.2s2.2p2 | 3P0 | (10136) | 4 | L8672c99
57 | Lanthanum | B | 1s2.2s2.2p | 2P*<1/2> | (10426) | 4 | L8672c99
57 | Lanthanum | Be | 1s2.2s2 | 1S0 | (10789) | 5 | L8672c99
57 | Lanthanum | Li | 1s2.2s | 2S<1/2> | (11033.40) | 0.05 | L16264c99
57 | Lanthanum | He | 1s2 | 1S0 | (45145.00) | 0.04 | L21139
57 | Lanthanum | H | 1s | 2S<1/2> | (46245.77) | 0.03 | 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
If you did not find the data you need, please inform the ASD Team.
|
|