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NIST Atomic Spectra Database
Ionization Energies Data

Re (all spectra)
75 Data Rows Found 

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, April 30]. 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
--------|----------|-------------|-------------------|-----------------|--------------------------------------|----------------------|-----------
     75 | Rhenium  | Re          | [Xe].4f14.5d5.6s2 | 6S<5/2>         |               7.83352                |            0.00011   |    L11604
     75 | Rhenium  | W           | [Xe].4f14.5d5.6s  | 7S<3>           |             [16.6]                   |            0.5       |    L16139
     75 | Rhenium  | Ta          | [Xe].4f14.5d5     | 6S<5/2>         |             (27.0)                   |            1.6       |  L8672c99
     75 | Rhenium  | Hf          | [Xe].4f14.5d4     | 5D     0        |             (39.1)                   |            1.7       |  L8672c99
     75 | Rhenium  | Lu          | [Xe].4f14.5d3     | 4F<3/2>         |             (51.9)                   |            1.9       |  L8672c99
     75 | Rhenium  | Yb          | [Xe].4f14.5d2     | 3F<2>           |             (67.0)                   |            2.0       |  L8672c99
     75 | Rhenium  | Tm          | [Xe].4f14.5d      | 2D<3/2>         |             [82.71]                  |            0.05      |     L4597
     75 | Rhenium  | Er          | [Xe].4f14         | 1S0             |            [144.4]                   |            0.4       |     L3654
     75 | Rhenium  | Ho          | [Cd].4f14.5p5     | 2P*<3/2>        |            (165)                     |            8         |      L582
     75 | Rhenium  | Dy          | [Cd].4f14.5p4     | 3P<2>           |            (187)                     |            9         |      L582
     75 | Rhenium  | Tb          | [Cd].4f14.5p3     | 2P*<3/2>        |            (208)                     |           10         |      L582
     75 | Rhenium  | Gd          | [Cd].4f14.5p2     | 3P0             |            (236)                     |           12         |      L582
     75 | Rhenium  | Eu          | [Cd].4f13.5p2     | 4F*<7/2>        |            (268)                     |           14         |      L582
     75 | Rhenium  | Sm          | [Cd].4f14         |                 |            (291)                     |           15         |      L582
     75 | Rhenium  | Pm          | [Cd].4f13         | 2F*<7/2>        |            (330)                     |           16         |      L582
     75 | Rhenium  | Nd          | [Cd].4f12         | 3H<6>           |            (377)                     |           19         |      L582
     75 | Rhenium  | Pr          | [Cd].4f11         | 4I*<15/2>       |            (403)                     |           20         |      L582
     75 | Rhenium  | Ce          | [Kr].4d10.4f12    |                 |            (429)                     |           21         |      L582
     75 | Rhenium  | La          | [Kr].4d10.4f11    | 4I*<15/2>       |            (476)                     |           24         |      L582
     75 | Rhenium  | Ba          | [Kr].4d10.4f10    | 5I<8>           |            (520)                     |           30         |      L582
     75 | Rhenium  | Cs          | [Kr].4d10.4f9     | 6H*<15/2>       |            (570)                     |           30         |      L582
     75 | Rhenium  | Xe          | [Kr].4d10.4f8     | 7F<6>           |            (620)                     |           30         |      L582
     75 | Rhenium  | I           | [Kr].4d10.4f7     | 8S*<7/2>        |            (670)                     |           30         |      L582
     75 | Rhenium  | Te          | [Kr].4d10.4f6     | 7F0             |            (720)                     |           40         |      L582
     75 | Rhenium  | Sb          | [Kr].4d10.4f5     | 6H*<5/2>        |            (760)                     |           40         |      L582
     75 | Rhenium  | Sn          | [Kr].4d10.4f4     | 5I<4>           |            (810)                     |           40         |      L582
     75 | Rhenium  | In          | [Kr].4d10.4f3     | 4I*<9/2>        |            (860)                     |           40         |      L582
     75 | Rhenium  | Cd          | [Kr].4d10.4f2     | 3H<4>           |            (910)                     |           50         |      L582
     75 | Rhenium  | Ag          | [Kr].4d10.4f      | 2F*<5/2>        |            (953)                     |           19         |   L582c99
     75 | Rhenium  | Pd          | [Kr].4d10         | 1S0             |           (1194)                     |            4         |  L8672c99
     75 | Rhenium  | Rh          | [Kr].4d9          | 2D<5/2>         |           (1242)                     |            4         |  L8672c99
     75 | Rhenium  | Ru          | [Kr].4d8          | 3F<4>           |           (1294)                     |            4         |  L8672c99
     75 | Rhenium  | Tc          | [Kr].4d7          | 4F<9/2>         |           (1349)                     |            4         |  L8672c99
     75 | Rhenium  | Mo          | [Kr].4d6          | 5D<4>           |           (1402)                     |            5         |  L8672c99
     75 | Rhenium  | Nb          | [Kr].4d5          | <5/2>           |           (1454)                     |            5         |  L8672c99
     75 | Rhenium  | Zr          | [Kr].4d4          | 5D0             |           (1530)                     |            5         |  L8672c99
     75 | Rhenium  | Y           | [Kr].4d3          | 4F<3/2>         |           (1583)                     |            5         |  L8672c99
     75 | Rhenium  | Sr          | [Kr].4d2          | 3F<2>           |           (1641)                     |            4         |  L8672c99
     75 | Rhenium  | Rb          | [Kr].4d           | 2D<3/2>         |           (1696)                     |            4         |  L8672c99
     75 | Rhenium  | Kr          | [Ar].3d10.4s2.4p6 | 1S0             |           (1912)                     |            4         |  L8672c99
     75 | Rhenium  | Br          | [Ar].3d10.4s2.4p5 | 2P*<3/2>        |           (1966)                     |            4         |  L8672c99
     75 | Rhenium  | Se          | [Ar].3d10.4s2.4p4 | 3P<2>           |           (2025)                     |            4         |  L8672c99
     75 | Rhenium  | As          | [Ar].3d10.4s2.4p3 | *<3/2>          |           (2080)                     |            4         |  L8672c99
     75 | Rhenium  | Ge          | [Ar].3d10.4s2.4p2 | 3P0             |           (2240)                     |            4         |  L8672c99
     75 | Rhenium  | Ga          | [Ar].3d10.4s2.4p  | 2P*<1/2>        |           (2302)                     |            4         |  L8672c99
     75 | Rhenium  | Zn          | [Ar].3d10.4s2     | 1S0             |           (2450)                     |            4         |  L8672c99
     75 | Rhenium  | Cu          | [Ar].3d10.4s      | 2S<1/2>         |           [2514.5]                   |            0.3       |    L10257
     75 | Rhenium  | Ni          | [Ar].3d10         | 1S0             |            4214                      |            4         |    L10191
     75 | Rhenium  | Co          | [Ar].3d9          | 2D<5/2>         |           (4335)                     |            4         |  L8672c99
     75 | Rhenium  | Fe          | [Ar].3d8          | 3F<4>           |           (4468)                     |            4         |  L8672c99
     75 | Rhenium  | Mn          | [Ar].3d7          | 4F<9/2>         |           (4609)                     |            4         |  L8672c99
     75 | Rhenium  | Cr          | [Ar].3d6          | <4>             |           (4745)                     |            4         |  L8672c99
     75 | Rhenium  | V           | [Ar].3d5          | <5/2>           |           (4877)                     |            4         |  L8672c99
     75 | Rhenium  | Ti          | [Ar].3d4          | 5D0             |           (5099)                     |            5         |  L8672c99
     75 | Rhenium  | Sc          | [Ar].3d3          | 4F<3/2>         |           (5236)                     |            5         |  L8672c99
     75 | Rhenium  | Ca          | [Ar].3d2          | 3F<2>           |           (5388)                     |            5         |  L8672c99
     75 | Rhenium  | K           | [Ar].3d           | 2D<3/2>         |           (5528)                     |            5         |  L8672c99
     75 | Rhenium  | Ar          | [Ne].3s2.3p6      | 1S0             |           (5919)                     |            6         |  L8672c99
     75 | Rhenium  | Cl          | [Ne].3s2.3p5      | 2P*<3/2>        |           (6042)                     |            6         |  L8672c99
     75 | Rhenium  | S           | [Ne].3s2.3p4      | 3P<2>           |           (6176)                     |            7         |  L8672c99
     75 | Rhenium  | P           | [Ne].3s2.3p3      | 2P*<3/2>        |           (6300)                     |           10         |  L8672c99
     75 | Rhenium  | Si          | [Ne].3s2.3p2      | 3P0             |           (6810)                     |           12         |  L8672c99
     75 | Rhenium  | Al          | [Ne].3s2.3p       | 2P*<1/2>        |           (6952)                     |           15         |  L8672c99
     75 | Rhenium  | Mg          | [Ne].3s2          | 1S0             |           (7230)                     |           19         |  L8672c99
     75 | Rhenium  | Na          | [Ne].3s           | 2S<1/2>         |           (7366)                     |           24         |  L8672c99
     75 | Rhenium  | Ne          | 1s2.2s2.2p6       | 1S0             |          (16080)                     |           30         |  L8672c99
     75 | Rhenium  | F           | 1s2.2s2.2p5       | 2P*<3/2>        |          (16410)                     |           40         |  L8672c99
     75 | Rhenium  | O           | 1s2.2s2.2p4       | 3P<2>           |          (16780)                     |           40         |  L8672c99
     75 | Rhenium  | N           | 1s2.2s2.2p3       | (0,3/2)*<3/2>   |          (17120)                     |           50         |  L8672c99
     75 | Rhenium  | C           | 1s2.2s2.2p2       | 3P0             |          (19000)                     |           50         |  L8672c99
     75 | Rhenium  | B           | 1s2.2s2.2p        | 2P*<1/2>        |          (19420)                     |           60         |  L8672c99
     75 | Rhenium  | Be          | 1s2.2s2           | 1S0             |          (19950)                     |           60         |  L8672c99
     75 | Rhenium  | Li          | 1s2.2s            | 2S<1/2>         |          (20297.40)                  |            0.21      | L16264c99
     75 | Rhenium  | He          | 1s2               | 1S0             |          (81556.58)                  |            0.20      |    L21139
     75 | Rhenium  | H           | 1s                | 2S<1/2>         |          (83162.41)                  |            0.24      |    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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