NIST Atomic Ionization Energies Output

NIST Atomic Spectra Database Ionization Energies Data Si (all spectra) 14 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)

------------------------------------------------------------------------------------------------------------------------------------------------
At. num | El. Name | Isoel. Seq. | Ground Shells (a) | Ground Level |        Ionization Energy (eV)        |   Uncertainty (eV)   | References
--------|----------|-------------|-------------------|--------------|--------------------------------------|----------------------|-------------
     14 | Silicon  | Si          | [Ne].3s2.3p2      | 3P0          |              8.15168                 |           0.00003    |       L5815
     14 | Silicon  | Al          | [Ne].3s2.3p       | 2P*<1/2>     |             16.34585                 |           0.00004    |       L5815
     14 | Silicon  | Mg          | [Ne].3s2          | 1S0          |             33.49300                 |           0.00009    |       L5815
     14 | Silicon  | Na          | [Ne].3s           | 2S<1/2>      |             45.14179                 |           0.00007    | L5815,L6098
     14 | Silicon  | Ne          | 1s2.2s2.2p6       | 1S0          |            166.767                   |           0.003      |       L3934
     14 | Silicon  | F           | 1s2.2s2.2p5       | 2P*<3/2>     |           [205.279]                  |           0.005      |        c192
     14 | Silicon  | O           | 1s2.2s2.2p4       | 3P<2>        |           [246.57]                   |           0.05       |        c193
     14 | Silicon  | N           | 1s2.2s2.2p3       | 4S*<3/2>     |           [303.59]                   |           0.05       |        c193
     14 | Silicon  | C           | 1s2.2s2.2p2       | 3P0          |           [351.28]                   |           0.06       |        c193
     14 | Silicon  | B           | 1s2.2s2.2p        | 2P*<1/2>     |           [401.38]                   |           0.04       |      L11770
     14 | Silicon  | Be          | 1s2.2s2           | 1S0          |           [476.273]                  |           0.019      |        c192
     14 | Silicon  | Li          | 1s2.2s            | 2S<1/2>      |           (523.415)                  |           0.007      |   L16264c99
     14 | Silicon  | He          | 1s2               | 1S0          |          (2437.65805)                |           0.00017    |      L21139
     14 | Silicon  | H           | 1s                | 2S<1/2>      |          (2673.177958)               |           0.000017   |      L19200
------------------------------------------------------------------------------------------------------------------------------------------------
Notes:
(a) Designations used in the ground shell lists:
     [Ne] = 1s2.2s2.2p6

If you did not find the data you need, please inform the ASD Team.