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| NIST Atomic Spectra Database Ionization Energies Data
Ir (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
--------|----------|-------------|-------------------|-----------------|--------------------------------------|----------------------|-----------
77 | Iridium | Ir | [Xe].4f14.5d7.6s2 | 4F<9/2> | 8.96702 | 0.00022 | L8105
77 | Iridium | Os | [Xe].4f14.5d7.6s | 5F<5> | [17.0] | 0.3 | L16139
77 | Iridium | Re | [Xe].4f14.5d7 | 4F<9/2> | (28.0) | 1.6 | L8672c99
77 | Iridium | W | [Xe].4f14.5d6 | 5D<4> | (40.0) | 1.7 | L8672c99
77 | Iridium | Ta | [Xe].4f14.5d5 | 6S<5/2> | (57.0) | 1.9 | L8672c99
77 | Iridium | Hf | [Xe].4f14.5d4 | 5D0 | (72.0) | 2.0 | L8672c99
77 | Iridium | Lu | [Xe].4f14.5d3 | 4F<3/2> | (89.0) | 2.0 | L8672c99
77 | Iridium | Yb | [Xe].4f14.5d2 | 3F<2> | (105.0) | 2.1 | L8672c99
77 | Iridium | Tm | [Xe].4f14.5d | 2D<3/2> | [122.7] | 0.9 | L3654
77 | Iridium | Er | [Xe].4f14 | 1S0 | [194.8] | 0.6 | L3654
77 | Iridium | Ho | [Cd].4f14.5p5 | 2P*<3/2> | (217) | 11 | L582
77 | Iridium | Dy | [Cd].4f14.5p4 | 3P<2> | (240) | 12 | L582
77 | Iridium | Tb | [Cd].4f14.5p3 | 2P*<3/2> | (264) | 14 | L582
77 | Iridium | Gd | [Cd].4f14.5p2 | 3P0 | (303) | 15 | L582
77 | Iridium | Eu | [Cd].4f14.5p | 2P*<1/2> | (329) | 16 | L582
77 | Iridium | Sm | [Cd].4f14 | 1S0 | (356) | 17 | L582
77 | Iridium | Pm | [Cd].4f13 | 2F*<7/2> | (407) | 20 | L582
77 | Iridium | Nd | [Cd].4f12 | 3H<6> | (445) | 22 | L582
77 | Iridium | Pr | [Kr].4d10.4f12.5s | | (472) | 24 | L582
77 | Iridium | Ce | [Kr].4d10.4f12 | | (510) | 30 | L582
77 | Iridium | La | [Kr].4d10.4f11 | 4I*<15/2> | (560) | 30 | L582
77 | Iridium | Ba | [Kr].4d10.4f10 | 5I<8> | (610) | 30 | L582
77 | Iridium | Cs | [Kr].4d10.4f9 | 6H*<15/2> | (670) | 30 | L582
77 | Iridium | Xe | [Kr].4d10.4f8 | 7F<6> | (720) | 40 | L582
77 | Iridium | I | [Kr].4d10.4f7 | 8S*<7/2> | (770) | 40 | L582
77 | Iridium | Te | [Kr].4d10.4f6 | 7F0 | (820) | 40 | L582
77 | Iridium | Sb | [Kr].4d10.4f5 | 6H*<5/2> | (870) | 40 | L582
77 | Iridium | Sn | [Kr].4d10.4f4 | 5I<4> | (920) | 50 | L582
77 | Iridium | In | [Kr].4d10.4f3 | 4I*<9/2> | (980) | 50 | L582
77 | Iridium | Cd | [Kr].4d10.4f2 | 3H<4> | (1030) | 50 | L582
77 | Iridium | Ag | [Kr].4d10.4f | 2F*<5/2> | (1080) | 50 | L582
77 | Iridium | Pd | [Kr].4d10 | 1S0 | (1331) | 4 | L8672c99
77 | Iridium | Rh | [Kr].4d9 | 2D<5/2> | (1381) | 4 | L8672c99
77 | Iridium | Ru | [Kr].4d8 | 3F<4> | (1436) | 5 | L8672c99
77 | Iridium | Tc | [Kr].4d7 | 4F<9/2> | (1493) | 5 | L8672c99
77 | Iridium | Mo | [Kr].4d6 | 5D<4> | (1548) | 5 | L8672c99
77 | Iridium | Nb | [Kr].4d5 | <5/2> | (1603) | 5 | L8672c99
77 | Iridium | Zr | [Kr].4d4 | 5D0 | (1684) | 4 | L8672c99
77 | Iridium | Y | [Kr].4d3 | 4F<3/2> | (1739) | 4 | L8672c99
77 | Iridium | Sr | [Kr].4d2 | 3F<2> | (1801) | 4 | L8672c99
77 | Iridium | Rb | [Kr].4d | 2D<3/2> | (1857) | 4 | L8672c99
77 | Iridium | Kr | [Ar].3d10.4s2.4p6 | 1S0 | (2083) | 4 | L8672c99
77 | Iridium | Br | [Ar].3d10.4s2.4p5 | 2P*<3/2> | (2139) | 4 | L8672c99
77 | Iridium | Se | [Ar].3d10.4s2.4p4 | 3P<2> | (2201) | 4 | L8672c99
77 | Iridium | As | [Ar].3d10.4s2.4p3 | *<3/2> | (2258) | 4 | L8672c99
77 | Iridium | Ge | [Ar].3d10.4s2.4p2 | 3P0 | (2435) | 4 | L8672c99
77 | Iridium | Ga | [Ar].3d10.4s2.4p | 2P*<1/2> | (2500) | 4 | L8672c99
77 | Iridium | Zn | [Ar].3d10.4s2 | 1S0 | (2656) | 4 | L8672c99
77 | Iridium | Cu | [Ar].3d10.4s | 2S<1/2> | [2720.4] | 1.4 | L10278
77 | Iridium | Ni | [Ar].3d10 | 1S0 | (4540) | 4 | L8672c99
77 | Iridium | Co | [Ar].3d9 | 2D<5/2> | (4668) | 4 | L8672c99
77 | Iridium | Fe | [Ar].3d8 | 3F<4> | (4806) | 4 | L8672c99
77 | Iridium | Mn | [Ar].3d7 | 4F<9/2> | (4952) | 4 | L8672c99
77 | Iridium | Cr | [Ar].3d6 | <4> | (5092) | 5 | L8672c99
77 | Iridium | V | [Ar].3d5 | <5/2> | (5229) | 5 | L8672c99
77 | Iridium | Ti | [Ar].3d4 | 5D0 | (5466) | 5 | L8672c99
77 | Iridium | Sc | [Ar].3d3 | 4F<3/2> | (5609) | 5 | L8672c99
77 | Iridium | Ca | [Ar].3d2 | 3F<2> | (5765) | 6 | L8672c99
77 | Iridium | K | [Ar].3d | 2D<3/2> | (5910) | 6 | L8672c99
77 | Iridium | Ar | [Ne].3s2.3p6 | 1S0 | (6315) | 7 | L8672c99
77 | Iridium | Cl | [Ne].3s2.3p5 | 2P*<3/2> | (6441) | 10 | L8672c99
77 | Iridium | S | [Ne].3s2.3p4 | 3P<2> | (6580) | 12 | L8672c99
77 | Iridium | P | [Ne].3s2.3p3 | 2P*<3/2> | (6708) | 15 | L8672c99
77 | Iridium | Si | [Ne].3s2.3p2 | 3P0 | (7274) | 19 | L8672c99
77 | Iridium | Al | [Ne].3s2.3p | 2P*<1/2> | (7421) | 24 | L8672c99
77 | Iridium | Mg | [Ne].3s2 | 1S0 | (7710) | 30 | L8672c99
77 | Iridium | Na | [Ne].3s | 2S<1/2> | (7850) | 40 | L8672c99
77 | Iridium | Ne | 1s2.2s2.2p6 | 1S0 | (17040) | 40 | L8672c99
77 | Iridium | F | 1s2.2s2.2p5 | 2P*<3/2> | (17390) | 50 | L8672c99
77 | Iridium | O | 1s2.2s2.2p4 | 3P<2> | (17770) | 50 | L8672c99
77 | Iridium | N | 1s2.2s2.2p3 | (0,3/2)*<3/2> | (18120) | 60 | L8672c99
77 | Iridium | C | 1s2.2s2.2p2 | 3P0 | (20210) | 60 | L8672c99
77 | Iridium | B | 1s2.2s2.2p | 2P*<1/2> | (20650) | 70 | L8672c99
77 | Iridium | Be | 1s2.2s2 | 1S0 | (21200) | 90 | L8672c99
77 | Iridium | Li | 1s2.2s | 2S<1/2> | (21556.60) | 0.24 | L16264c99
77 | Iridium | He | 1s2 | 1S0 | (86442.44) | 0.25 | L21139
77 | Iridium | H | 1s | 2S<1/2> | (88113.6) | 1.4 | 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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