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| NIST Atomic Spectra Database Ionization Energies Data
W (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, October 10]. 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
--------|----------|-------------|-------------------|------------------|--------------------------------------|----------------------|-----------
74 | Tungsten | W | [Xe].4f14.5d4.6s2 | 5D0 | 7.86403 | 0.00010 | L11604
74 | Tungsten | Ta | [Xe].4f14.5d4.6s | 6D<1/2> | [16.37] | 0.15 | L12177
74 | Tungsten | Hf | [Xe].4f14.5d4 | 5D0 | [26.0] | 0.4 | L9087
74 | Tungsten | Lu | [Xe].4f14.5d3 | 4F<3/2> | [38.2] | 0.4 | L9087
74 | Tungsten | Yb | [Xe].4f14.5d2 | 3F<2> | [51.6] | 0.3 | L9087
74 | Tungsten | Tm | [Xe].4f14.5d | 2D<3/2> | [64.77] | 0.04 | L4597
74 | Tungsten | Er | [Xe].4f14 | 1S0 | [122.01] | 0.06 | L3694
74 | Tungsten | Ho | [Xe].4f13 | 2F*<7/2> | [141.2] | 1.2 | L9087
74 | Tungsten | Dy | [Cd].4f14.5p4 | 3P<2> | [160.2] | 1.2 | L9087
74 | Tungsten | Tb | [Cd].4f14.5p3 | 2P*<3/2> | [179.0] | 1.2 | L9087
74 | Tungsten | Gd | [Cd].4f14.5p2 | 3P0 | [208.9] | 1.2 | L9087
74 | Tungsten | Eu | [Cd].4f13.5p2 | 4F*<7/2> | [231.6] | 1.2 | L9087
74 | Tungsten | Sm | [Cd].4f14 | 1S0 | [258.3] | 1.2 | L9087
74 | Tungsten | Pm | [Cd].4f13 | 2F*<7/2> | [290.7] | 1.2 | L9087
74 | Tungsten | Nd | [Cd].4f12 | 3H<6> | [325.3] | 1.5 | L9087
74 | Tungsten | Pr | [Cd].4f11 | 4I*<15/2> | [361.9] | 1.5 | L9087
74 | Tungsten | Ce | [Kr].4d10.4f11.5s | 5I*<8> | [387.9] | 1.2 | L9087
74 | Tungsten | La | [Kr].4d10.4f11 | 4I*<15/2> | [420.7] | 1.4 | L9087
74 | Tungsten | Ba | [Kr].4d10.4f10 | 5I<8> | [462.1] | 1.4 | L9087
74 | Tungsten | Cs | [Kr].4d10.4f9 | 6H*<15/2> | [502.6] | 1.4 | L9087
74 | Tungsten | Xe | [Kr].4d10.4f8 | 7F<6> | [543.4] | 1.4 | L9087
74 | Tungsten | I | [Kr].4d10.4f7 | 8S*<7/2> | [594.5] | 1.5 | L9087
74 | Tungsten | Te | [Kr].4d10.4f6 | 7F0 | [640.6] | 1.5 | L9087
74 | Tungsten | Sb | [Kr].4d10.4f5 | 6H*<5/2> | [685.6] | 1.6 | L9087
74 | Tungsten | Sn | [Kr].4d10.4f4 | 5I<4> | [734.1] | 1.7 | L9087
74 | Tungsten | In | [Kr].4d10.4f3 | 4I*<9/2> | [784.4] | 1.9 | L9087
74 | Tungsten | Cd | [Kr].4d10.4f2 | 3H<4> | [833.4] | 1.9 | L9087
74 | Tungsten | Ag | [Kr].4d10.4f | 2F*<5/2> | [881.4] | 1.6 | L9087
74 | Tungsten | Pd | [Kr].4d10 | 1S0 | [1132.2] | 1.4 | L9087
74 | Tungsten | Rh | [Kr].4d9 | 2D<5/2> | [1180.0] | 1.4 | L9087
74 | Tungsten | Ru | [Kr].4d8 | 3F<4> | [1230.4] | 1.4 | L9087
74 | Tungsten | Tc | [Kr].4d7 | 4F<9/2> | [1283.4] | 1.4 | L9087
74 | Tungsten | Mo | [Kr].4d6 | 5D<4> | [1335.1] | 1.4 | L9087
74 | Tungsten | Nb | [Kr].4d5 | 4P<5/2> | [1386.8] | 1.4 | L9087
74 | Tungsten | Zr | [Kr].4d4 | 3P10 | [1459.9] | 1.5 | L9087
74 | Tungsten | Y | [Kr].4d3 | 4F<3/2> | [1512.4] | 1.5 | L9087
74 | Tungsten | Sr | [Kr].4d2 | 3F<2> | [1569.1] | 1.5 | L9087
74 | Tungsten | Rb | [Kr].4d | 2D<3/2> | [1621.7] | 1.5 | L9087
74 | Tungsten | Kr | [Ar].3d10.4s2.4p6 | 1S0 | [1829.8] | 1.9 | L9087
74 | Tungsten | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | [1882.9] | 2.0 | L9087
74 | Tungsten | Se | [Ar].3d10.4s2.4p4 | 3P<2> | [1940.6] | 2.0 | L9087
74 | Tungsten | As | [Ar].3d10.4s2.4p3 | 2D*<3/2> | [1994.8] | 2.0 | L9087
74 | Tungsten | Ge | [Ar].3d10.4s2.4p2 | 3P0 | [2149.1] | 2.1 | L9087
74 | Tungsten | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | [2210.0] | 1.5 | L9087
74 | Tungsten | Zn | [Ar].3d10.4s2 | 1S0 | [2354.5] | 1.4 | L9087
74 | Tungsten | Cu | [Ar].3d10.4s | 2S<1/2> | [2414.1] | 0.4 | L10257
74 | Tungsten | Ni | [Ar].3d10 | 1S0 | 4057 | 3 | L10191
74 | Tungsten | Co | [Ar].3d9 | 2D<5/2> | [4180] | 4 | L9087
74 | Tungsten | Fe | [Ar].3d8 | (0,4)<4> | [4309] | 4 | L9087
74 | Tungsten | Mn | [Ar].3d7 | (0,9/2)<9/2> | [4446] | 4 | L9087
74 | Tungsten | Cr | [Ar].3d6 | (0,4)<4> | [4578] | 4 | L9087
74 | Tungsten | V | [Ar].3d5 | (0,5/2)<5/2> | [4709] | 4 | L9087
74 | Tungsten | Ti | [Ar].3d4 | (0,0)0 | [4927] | 4 | L9087
74 | Tungsten | Sc | [Ar].3d3 | (3/2,0)<3/2> | [5063] | 4 | L14671
74 | Tungsten | Ca | [Ar].3d2 | (3/2,3/2)<2> | [5209] | 4 | L9087
74 | Tungsten | K | [Ar].3d | 2D<3/2> | [5348] | 4 | L9087
74 | Tungsten | Ar | [Ne].3s2.3p6 | 1S0 | [5719] | 5 | L9087
74 | Tungsten | Cl | [Ne].3s2.3p5 | 2P*<3/2> | [5840] | 5 | L9087
74 | Tungsten | S | [Ne].3s2.3p4 | 3P<2> | [5970] | 5 | L9087
74 | Tungsten | P | [Ne].3s2.3p3 | 2P*<3/2> | [6093] | 5 | L9087
74 | Tungsten | Si | [Ne].3s2.3p2 | 3P0 | [6596] | 7 | L14671
74 | Tungsten | Al | [Ne].3s2.3p | 2P*<1/2> | [6735] | 7 | L9087
74 | Tungsten | Mg | [Ne].3s2 | 1S0 | [7000] | 7 | L9087
74 | Tungsten | Na | [Ne].3s | 2S<1/2> | [7130] | 7 | L9087
74 | Tungsten | Ne | 1s2.2s2.2p6 | 1S0 | [15566] | 11 | L9087
74 | Tungsten | F | 1s2.2s2.2p5 | 2P*<3/2> | [15896] | 11 | L9087
74 | Tungsten | O | 1s2.2s2.2p4 | 3P<2> | [16252] | 11 | L14671
74 | Tungsten | N | 1s2.2s2.2p3 | 2P*<3/2> | [16588] | 11 | L9087
74 | Tungsten | C | 1s2.2s2.2p2 | 3P0 | [18476] | 4 | L9087
74 | Tungsten | B | 1s2.2s2.2p | 2P*<1/2> | [18872] | 3 | L9087
74 | Tungsten | Be | 1s2.2s2 | 1S0 | [19362] | 3 | L9087
74 | Tungsten | Li | 1s2.2s | 2S<1/2> | (19686.74) | 0.20 | L16264c99
74 | Tungsten | He | 1s2 | 1S0 | (79181.94) | 0.19 | L21139
74 | Tungsten | H | 1s | 2S<1/2> | (80755.91) | 0.14 | L19200
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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.
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