NIST Atomic Spectra Database Ionization Energies Data
Er (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 5]. 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 --------|----------|-------------|-------------------|-----------------|--------------------------------------|----------------------|------------ 68 | Erbium | Er | [Xe].4f12.6s2 | 3H<6> | 6.1077 | 0.0010 | L4277 68 | Erbium | Ho | [Xe].4f12.6s | (6,1/2)<13/2> | [11.916] | 0.020 | L19870c180 68 | Erbium | Dy | [Xe].4f12 | 3H<6> | [22.70] | 0.03 | L19883c180 68 | Erbium | Tb | [Xe].4f11 | 4I*<15/2> | [42.42] | 0.04 | L19883c180 68 | Erbium | Gd | [Xe].4f10 | 5I<8> | [65.1] | 0.4 | L4095 68 | Erbium | Eu | [Cd].4f10.5p5 | * | (96) | 5 | L582 68 | Erbium | Sm | [Cd].4f10.5p4 | | (114) | 6 | L582 68 | Erbium | Pm | [Cd].4f10.5p3 | * | (131) | 7 | L582 68 | Erbium | Nd | [Cd].4f10.5p2 | | (158) | 8 | L582 68 | Erbium | Pr | [Cd].4f10.5p | * | (177) | 9 | L582 68 | Erbium | Ce | [Cd].4f10 | | (201) | 10 | L582 68 | Erbium | La | [Cd].4f9 | * | (235) | 11 | L582 68 | Erbium | Ba | [Cd].4f8 | | (268) | 14 | L582 68 | Erbium | Cs | [Cd].4f7 | * | (290) | 15 | L582 68 | Erbium | Xe | [Kr].4d10.4f7.5s | * | (311) | 16 | L582 68 | Erbium | I | [Kr].4d10.4f7 | 8S*<7/2> | (345) | 17 | L582 68 | Erbium | Te | [Kr].4d10.4f6 | 7F0 | (381) | 19 | L582 68 | Erbium | Sb | [Kr].4d10.4f5 | 6H*<5/2> | (415) | 21 | L582 68 | Erbium | Sn | [Kr].4d10.4f4 | 5I<4> | (450) | 22 | L582 68 | Erbium | In | [Kr].4d10.4f3 | 4I*<9/2> | (486) | 25 | L582 68 | Erbium | Cd | [Kr].4d10.4f2 | 3H<4> | (520) | 30 | L582 68 | Erbium | Ag | [Kr].4d10.4f | 2F*<5/2> | (555) | 5 | L582c99 68 | Erbium | Pd | [Kr].4d10 | 1S0 | (770) | 4 | L8672c99 68 | Erbium | Rh | [Kr].4d9 | 2D<5/2> | (810) | 4 | L8672c99 68 | Erbium | Ru | [Kr].4d8 | 3F<4> | (853) | 4 | L8672c99 68 | Erbium | Tc | [Kr].4d7 | 4F<9/2> | (899) | 4 | L8672c99 68 | Erbium | Mo | [Kr].4d6 | 5D<4> | (943) | 4 | L8672c99 68 | Erbium | Nb | [Kr].4d5 | 6S<5/2> | (989) | 4 | L8672c99 68 | Erbium | Zr | [Kr].4d4 | 5D0 | (1046) | 4 | L8672c99 68 | Erbium | Y | [Kr].4d3 | 4F<3/2> | (1092) | 4 | L8672c99 68 | Erbium | Sr | [Kr].4d2 | 3F<2> | (1142) | 4 | L8672c99 68 | Erbium | Rb | [Kr].4d | 2D<3/2> | (1188) | 4 | L8672c99 68 | Erbium | Kr | [Ar].3d10.4s2.4p6 | 1S0 | (1370) | 4 | L8672c99 68 | Erbium | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | (1416) | 5 | L8672c99 68 | Erbium | Se | [Ar].3d10.4s2.4p4 | 3P<2> | (1468) | 5 | L8672c99 68 | Erbium | As | [Ar].3d10.4s2.4p3 | 4S*<3/2> | (1516) | 5 | L8672c99 68 | Erbium | Ge | [Ar].3d10.4s2.4p2 | 3P0 | (1625) | 5 | L8672c99 68 | Erbium | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | (1678) | 4 | L8672c99 68 | Erbium | Zn | [Ar].3d10.4s2 | 1S0 | (1803) | 4 | L8672c99 68 | Erbium | Cu | [Ar].3d10.4s | 2S<1/2> | [1858.5] | 0.5 | L5473 68 | Erbium | Ni | [Ar].3d10 | 1S0 | (3157) | 4 | L8672c99 68 | Erbium | Co | [Ar].3d9 | 2D<5/2> | (3265) | 4 | L8672c99 68 | Erbium | Fe | [Ar].3d8 | 3F<4> | (3381) | 4 | L8672c99 68 | Erbium | Mn | [Ar].3d7 | 4F<9/2> | (3505) | 4 | L8672c99 68 | Erbium | Cr | [Ar].3d6 | <4> | (3624) | 4 | L8672c99 68 | Erbium | V | [Ar].3d5 | <5/2> | (3742) | 4 | L8672c99 68 | Erbium | Ti | [Ar].3d4 | 5D0 | (3916) | 4 | L8672c99 68 | Erbium | Sc | [Ar].3d3 | 4F<3/2> | (4038) | 4 | L8672c99 68 | Erbium | Ca | [Ar].3d2 | 3F<2> | (4170) | 4 | L8672c99 68 | Erbium | K | [Ar].3d | 2D<3/2> | (4294) | 4 | L8672c99 68 | Erbium | Ar | [Ne].3s2.3p6 | 1S0 | (4639) | 4 | L8672c99 68 | Erbium | Cl | [Ne].3s2.3p5 | 2P*<3/2> | (4748) | 4 | L8672c99 68 | Erbium | S | [Ne].3s2.3p4 | 3P<2> | (4866) | 4 | L8672c99 68 | Erbium | P | [Ne].3s2.3p3 | 2P*<3/2> | (4978) | 5 | L8672c99 68 | Erbium | Si | [Ne].3s2.3p2 | 3P0 | (5329) | 5 | L8672c99 68 | Erbium | Al | [Ne].3s2.3p | 2P*<1/2> | (5455) | 5 | L8672c99 68 | Erbium | Mg | [Ne].3s2 | 1S0 | (5695) | 5 | L8672c99 68 | Erbium | Na | [Ne].3s | 2S<1/2> | (5815) | 6 | L8672c99 68 | Erbium | Ne | 1s2.2s2.2p6 | 1S0 | (12918) | 6 | L8672c99 68 | Erbium | F | 1s2.2s2.2p5 | 2P*<3/2> | (13217) | 7 | L8672c99 68 | Erbium | O | 1s2.2s2.2p4 | 3P<2> | (13548) | 10 | L8672c99 68 | Erbium | N | 1s2.2s2.2p3 | (0,3/2)*<3/2> | (13855) | 12 | L8672c99 68 | Erbium | C | 1s2.2s2.2p2 | 3P0 | (15146) | 15 | L8672c99 68 | Erbium | B | 1s2.2s2.2p | 2P*<1/2> | (15511) | 19 | L8672c99 68 | Erbium | Be | 1s2.2s2 | 1S0 | (15971) | 24 | L8672c99 68 | Erbium | Li | 1s2.2s | 2S<1/2> | (16274.56) | 0.12 | L16264c99 68 | Erbium | He | 1s2 | 1S0 | (65848.24) | 0.12 | L21139 68 | Erbium | H | 1s | 2S<1/2> | (67241.48) | 0.07 | 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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