NIST Atomic Ionization Energies Output

NIST Atomic Spectra Database Ionization Energies Data Cl (all spectra) 17 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 3]. 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
--------|----------|-------------|-------------------|--------------|--------------------------------------|----------------------|-----------
     17 | Chlorine | Cl          | [Ne].3s2.3p5      | 2P*<3/2>     |             12.967633                |           0.000016   |    L19191
     17 | Chlorine | S           | [Ne].3s2.3p4      | 3P<2>        |             23.81364                 |           0.00012    |     L1617
     17 | Chlorine | P           | [Ne].3s2.3p3      | 4S*<3/2>     |            [39.80]                   |           0.11       |    L11770
     17 | Chlorine | Si          | [Ne].3s2.3p2      | 3P0          |            [53.24]                   |           0.12       |    L11770
     17 | Chlorine | Al          | [Ne].3s2.3p       | 2P*<1/2>     |            [67.68]                   |           0.10       |    L11770
     17 | Chlorine | Mg          | [Ne].3s2          | 1S0          |            [96.94]                   |           0.04       |    L11770
     17 | Chlorine | Na          | [Ne].3s           | 2S<1/2>      |            114.2013                  |           0.0006     |     L6356
     17 | Chlorine | Ne          | 1s2.2s2.2p6       | 1S0          |            348.306                   |           0.007      |     L6972
     17 | Chlorine | F           | 1s2.2s2.2p5       | 2P*<3/2>     |            400.851                   |           0.012      |     L9369
     17 | Chlorine | O           | 1s2.2s2.2p4       | 3P<2>        |           [456.7]                    |           0.4        |    L11770
     17 | Chlorine | N           | 1s2.2s2.2p3       | 4S*<3/2>     |           [530.0]                    |           0.4        |    L11770
     17 | Chlorine | C           | 1s2.2s2.2p2       | 3P0          |           [591.58]                   |           0.19       |    L11770
     17 | Chlorine | B           | 1s2.2s2.2p        | 2P*<1/2>     |           [656.30]                   |           0.12       |    L11770
     17 | Chlorine | Be          | 1s2.2s2           | 1S0          |           [750.23]                   |           0.19       |    L11770
     17 | Chlorine | Li          | 1s2.2s            | 2S<1/2>      |           (809.198)                  |           0.007      | L16264c99
     17 | Chlorine | He          | 1s2               | 1S0          |          (3658.34366)                |           0.00022    |    L21139
     17 | Chlorine | H           | 1s                | 2S<1/2>      |          (3946.29179)                |           0.00007    |    L19200
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Notes:
(a) Designations used in the ground shell lists:
     [Ne] = 1s2.2s2.2p6

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