NIST Atomic Spectra Database Ionization Energies Data
Eu (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, May 2]. 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 --------|----------|-------------|-------------------|----------------|--------------------------------------|----------------------|------------ 63 | Europium | Eu | [Xe].4f7.6s2 | 8S*<7/2> | 5.670385 | 0.000005 | L13382 63 | Europium | Sm | [Xe].4f7.6s | 9S*<4> | [11.240] | 0.006 | L19870 63 | Europium | Pm | [Xe].4f7 | 8S*<7/2> | [24.84] | 0.03 | L19883c180 63 | Europium | Nd | [Xe].4f6 | 7F0 | [42.94] | 0.11 | L19883c180 63 | Europium | Pr | [Xe].4f5 | 6H*<5/2> | [63.2] | 0.4 | L4095 63 | Europium | Ce | [Cd].4f5.5p5 | | (89) | 4 | L582 63 | Europium | La | [Cd].4f5.5p4 | * | (105) | 5 | L582 63 | Europium | Ba | [Cd].4f5.5p3 | | (120) | 6 | L582 63 | Europium | Cs | [Cd].4f5.5p2 | * | (144) | 7 | L582 63 | Europium | Xe | [Cd].4f5.5p | | (161) | 8 | L582 63 | Europium | I | [Cd].4f5 | * | (183) | 9 | L582 63 | Europium | Te | [Cd].4f4 | | (213) | 11 | L582 63 | Europium | Sb | [Cd].4f3 | * | (243) | 12 | L582 63 | Europium | Sn | [Cd].4f2 | | (263) | 14 | L582 63 | Europium | In | [Kr].4d10.4f2.5s | | (281) | 14 | L582 63 | Europium | Cd | [Kr].4d10.4f2 | 3H<4> | (311) | 16 | L582 63 | Europium | Ag | [Kr].4d10.4f | 2F*<5/2> | [344.4] | 0.5 | L5532 63 | Europium | Pd | [Kr].4d10 | 1S0 | (518) | 3 | L8672c99 63 | Europium | Rh | [Kr].4d9 | 2D<5/2> | (553) | 3 | L8672c99 63 | Europium | Ru | [Kr].4d8 | 3F<4> | (590) | 4 | L8672c99 63 | Europium | Tc | [Kr].4d7 | 4F<9/2> | (630) | 4 | L8672c99 63 | Europium | Mo | [Kr].4d6 | 5D<4> | (667) | 4 | L8672c99 63 | Europium | Nb | [Kr].4d5 | 6S<5/2> | (709) | 4 | L8672c99 63 | Europium | Zr | [Kr].4d4 | 5D0 | (755) | 4 | L8672c99 63 | Europium | Y | [Kr].4d3 | 4F<3/2> | (795) | 4 | L8672c99 63 | Europium | Sr | [Kr].4d2 | 3F<2> | (838) | 4 | L8672c99 63 | Europium | Rb | [Kr].4d | 2D<3/2> | (879) | 4 | L8672c99 63 | Europium | Kr | [Ar].3d10.4s2.4p6 | 1S0 | (1037) | 4 | L8672c99 63 | Europium | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | (1078) | 4 | L8672c99 63 | Europium | Se | [Ar].3d10.4s2.4p4 | 3P<2> | (1124) | 4 | L8672c99 63 | Europium | As | [Ar].3d10.4s2.4p3 | 4S*<3/2> | (1167) | 4 | L8672c99 63 | Europium | Ge | [Ar].3d10.4s2.4p2 | 3P0 | (1249) | 4 | L8672c99 63 | Europium | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | (1296) | 4 | L8672c99 63 | Europium | Zn | [Ar].3d10.4s2 | 1S0 | (1406) | 5 | L8672c99 63 | Europium | Cu | [Ar].3d10.4s | 2S<1/2> | [1456.06] | 0.25 | L10191 63 | Europium | Ni | [Ar].3d10 | 1S0 | (2495) | 5 | L8672c99 63 | Europium | Co | [Ar].3d9 | 2D<5/2> | (2591) | 5 | L8672c99 63 | Europium | Fe | [Ar].3d8 | 3F<4> | (2697) | 4 | L8672c99 63 | Europium | Mn | [Ar].3d7 | 4F<9/2> | (2807) | 4 | L8672c99 63 | Europium | Cr | [Ar].3d6 | <4> | (2914) | 4 | L8672c99 63 | Europium | V | [Ar].3d5 | <5/2> | (3022) | 4 | L8672c99 63 | Europium | Ti | [Ar].3d4 | 5D0 | (3168) | 4 | L8672c99 63 | Europium | Sc | [Ar].3d3 | 4F<3/2> | (3279) | 4 | L8672c99 63 | Europium | Ca | [Ar].3d2 | 3F<2> | (3398) | 4 | L8672c99 63 | Europium | K | [Ar].3d | 2D<3/2> | (3510) | 4 | L8672c99 63 | Europium | Ar | [Ne].3s2.3p6 | 1S0 | (3823) | 4 | L8672c99 63 | Europium | Cl | [Ne].3s2.3p5 | 2P*<3/2> | (3921) | 4 | L8672c99 63 | Europium | S | [Ne].3s2.3p4 | 3P<2> | (4031) | 4 | L8672c99 63 | Europium | P | [Ne].3s2.3p3 | 2P*<3/2> | (4131) | 4 | L8672c99 63 | Europium | Si | [Ne].3s2.3p2 | 3P0 | (4400) | 4 | L8672c99 63 | Europium | Al | [Ne].3s2.3p | 2P*<1/2> | (4513) | 4 | L8672c99 63 | Europium | Mg | [Ne].3s2 | 1S0 | (4729) | 4 | L8672c99 63 | Europium | Na | [Ne].3s | 2S<1/2> | (4838) | 4 | L8672c99 63 | Europium | Ne | 1s2.2s2.2p6 | 1S0 | (10880) | 5 | L8672c99 63 | Europium | F | 1s2.2s2.2p5 | 2P*<3/2> | (11153) | 5 | L8672c99 63 | Europium | O | 1s2.2s2.2p4 | 3P<2> | (11457) | 5 | L8672c99 63 | Europium | N | 1s2.2s2.2p3 | (0,3/2)*<3/2> | (11739) | 5 | L8672c99 63 | Europium | C | 1s2.2s2.2p2 | 3P0 | (12718) | 6 | L8672c99 63 | Europium | B | 1s2.2s2.2p | 2P*<1/2> | (13050) | 6 | L8672c99 63 | Europium | Be | 1s2.2s2 | 1S0 | (13462) | 7 | L8672c99 63 | Europium | Li | 1s2.2s | 2S<1/2> | (13738.58) | 0.09 | L16264c99 63 | Europium | He | 1s2 | 1S0 | (55865.93) | 0.08 | L21139 63 | Europium | H | 1s | 2S<1/2> | (57120.64) | 0.05 | 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
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