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Table A.4
Computed ionization potentials for Cr I–Cr XXIII as a function of the plasma screening parameter μ (a.u.). Spectroscopic values (NIST) are also listed for comparison.
| Ion | IP (eV) | ||||
|---|---|---|---|---|---|
| NISTa | μ = 0.0 | μ = 0.1 | μ = 0.25 | ||
| Cr I | 6.76651(4) | 9.36 | 7.62 | 3.13 | |
| Cr II | 16.486305(15) | 20.6 | 16.48 | 8.83 | |
| Cr III | 30.959(25) | 34.16 | 26.75 | 15.33 | |
| Cr IV | 49.16(5) | 52.93 | 42.12 | 27.66 | |
| Cr V | 69.46(4) | 65.43 | 52.23 | 33.20 | |
| Cr VI | 90.6349(7) | 86.71 | 70.73 | 48.32 | |
| Cr VII | 160.29(6) | 156.73 | 138.12 | 112.10 | |
| Cr VIII | 184.76(15) | 185.46 | 164.28 | 134.98 | |
| Cr IX | 209.5(3) | 212.53 | 188.78 | 155.98 | |
| Cr X | 244.5(5) | 240.10 | 213.69 | 177.11 | |
| Cr XI | 270.8(5) | 266.81 | 237.76 | 197.53 | |
| Cr XII | 296.7(6) | 294.57 | 262.91 | 219.03 | |
| Cr XIII | 354.7(3) | 355.38 | 321.20 | 274.28 | |
| Cr XIV | 384.163(6) | 383.55 | 346.80 | 296.37 | |
| Cr XV | 1011.6(5) | 1004.16 | 963.74 | 904.82 | |
| Cr XVI | 1097.2(1.4) | 1096.29 | 1053.19 | 990.39 | |
| Cr XVII | 1188.0(2.1) | 1187.57 | 1141.80 | 1075.06 | |
| Cr XVIII | 1294.8(1.6) | 1294.09 | 1245.62 | 1174.95 | |
| Cr XIX | 1394.5(7) | 1395.68 | 1344.52 | 1269.85 | |
| Cr XX | 1495.1(7) | 1494.11 | 1440.25 | 1361.65 | |
| Cr XXI | 1634.1(5) | 1633.70 | 1577.27 | 1495.22 | |
| Cr XXII | 1721.183(7) | 1719.53 | 1660.41 | 1574.54 | |
| Cr XXIII | 7481.8628(7) | 7488.10 | 7425.71 | 7332.83 | |
Notes:(a) Kramida et al. (2020).
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