NIST Atomic Ionization Energies Output

NIST Atomic Spectra Database Ionization Energies Data Na (all spectra) 11 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, 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
--------|----------|-------------|-------------------|--------------|--------------------------------------|----------------------|--------------
     11 | Sodium   | Na          | [Ne].3s           | 2S<1/2>      |            5.13907696                |         0.00000025   | L10921,L9648
     11 | Sodium   | Ne          | 1s2.2s2.2p6       | 1S0          |           47.28636                   |         0.00025      |         L914
     11 | Sodium   | F           | 1s2.2s2.2p5       | 2P*<3/2>     |          [71.6200]                   |         0.0012       |  L5793,L2720
     11 | Sodium   | O           | 1s2.2s2.2p4       | 3P<2>        |          [98.936]                    |         0.012        |       L11770
     11 | Sodium   | N           | 1s2.2s2.2p3       | 4S*<3/2>     |          138.404                     |         0.012        |        L7482
     11 | Sodium   | C           | 1s2.2s2.2p2       | 3P0          |         [172.23]                     |         0.05         |       L11770
     11 | Sodium   | B           | 1s2.2s2.2p        | 2P*<1/2>     |         [208.504]                    |         0.012        |       L11770
     11 | Sodium   | Be          | 1s2.2s2           | 1S0          |         [264.192]                    |         0.022        |       L11770
     11 | Sodium   | Li          | 1s2.2s            | 2S<1/2>      |         (299.856)                    |         0.007        |    L16264c99
     11 | Sodium   | He          | 1s2               | 1S0          |        (1465.0992)                   |         0.0007       |       L21139
     11 | Sodium   | H           | 1s                | 2S<1/2>      |        (1648.702285)                 |         0.000005     |       L19200
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Notes:
(a) Designations used in the ground shell lists:
     [Ne] = 1s2.2s2.2p6

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