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Table 2:

The level energies (Ryd) of Si4+ from different calculations along with the compilation of NIST v32.

ID 		Level specification NISTa AS FAC CHIANTIb MCHFc

1 		${\rm 2s^2 2p^6 ~ ^1S_0}$   0.000000 0.000000 0.000000  
2 ${\rm 2s^2 2p^5 3s ~ ^3P_2}$ 7.636576 7.627520 7.645096 7.471944 7.636311
3 ${\rm 2s^2 2p^5 3s ~ ^3P_1}$ 7.660020 7.651149 7.669024 7.496347 7.659752
4 ${\rm 2s^2 2p^5 3s ~ ^3P_0}$ 7.682625 7.672594 7.689856 7.518236 7.682296
5 ${\rm 2s^2 2p^5 3s ~ ^1P_1}$ 7.732203 7.727683 7.750462 7.576521 7.731955
6 ${\rm 2s^2 2p^5 3p ~ ^3S_1}$ 8.258379 8.246423 8.256845 8.101019 8.258102
7 ${\rm 2s^2 2p^5 3p ~ ^3D_3}$ 8.364780 8.359913 8.372963 8.189849 8.364501
8 ${\rm 2s^2 2p^5 3p ~ ^3D_2}$ 8.374174 8.369346 8.384104 8.198962 8.373860
9 ${\rm 2s^2 2p^5 3p ~ ^3D_1}$ 8.391529 8.386711 8.399595 8.215911 8.391069
10 ${\rm 2s^2 2p^5 3p ~ ^1D_2}$ 8.422766 8.418290 8.434033 8.250539 8.422583
11 ${\rm 2s^2 2p^5 3p ~ ^1P_1}$ 8.437853 8.436352 8.450207 8.264883 8.437552
12 ${\rm 2s^2 2p^5 3p ~ ^3P_2}$ 8.451074 8.446452 8.462297 8.278670 8.450769
13 ${\rm 2s^2 2p^5 3p ~ ^3P_0}$ 8.454788 8.451684 8.464687 8.280566 8.454470
14 ${\rm 2s^2 2p^5 3p ~ ^3P_1}$ 8.460253 8.457485 8.472367 8.286872 8.459926
15 ${\rm 2s^2 2p^5 3p ~ ^1S_0}$ 8.77505 8.876968 8.922108 8.851711 8.774769
16 ${\rm 2s^2 2p^5 3d ~ ^3P_0}$ 9.273318 9.270566 9.267329 9.103458 9.273033
17 ${\rm 2s^2 2p^5 3d ~ ^3P_1}$ 9.278845 9.276363 9.272374 9.109172 9.278537
18 ${\rm 2s^2 2p^5 3d ~ ^3P_2}$ 9.290708 9.288542 9.284232 9.121027 9.290319
19 ${\rm 2s^2 2p^5 3d ~ ^3F_4}$ 9.307536 9.309413 9.305353 9.132764 9.307223
20 ${\rm 2s^2 2p^5 3d ~ ^3F_3}$ 9.316348 9.318389 9.316576 9.142041 9.316025
21 ${\rm 2s^2 2p^5 3d ~ ^3F_2}$ 9.333562 9.335089 9.332421 9.158398 9.333074
22 ${\rm 2s^2 2p^5 3d ~ ^1F_3}$ 9.345281 9.349206 9.347836 9.172796 9.345075
23 ${\rm 2s^2 2p^5 3d ~ ^1D_2}$ 9.380647 9.383311 9.381456 9.205793 9.379566
24 ${\rm 2s^2 2p^5 3d ~ ^3D_1}$ 9.380036 9.384037 9.383614 9.206276 9.380304
25 ${\rm 2s^2 2p^5 3d ~ ^3D_3}$ 9.384912 9.387550 9.386841 9.210350 9.384568
26 ${\rm 2s^2 2p^5 3d ~ ^3D_2}$ 9.389823 9.392712 9.392014 9.215362 9.389434
27 ${\rm 2s^2 2p^5 3d ~ ^1P_1}$ 9.449065 9.463153 9.471244 9.302779 9.448883
28 ${\rm 2s^2 2p^5 4s ~ ^3P_2}$ 10.01823 10.025722 10.021532   10.017768
29 ${\rm 2s^2 2p^5 4s ~ ^3P_1}$ 10.03067 10.038223 10.036309   10.030362
30 ${\rm 2s^2 2p^5 4s ~ ^3P_0}$ 10.06444 10.070616 10.066578   10.063904
31 ${\rm 2s^2 2p^5 4s ~ ^1P_1}$ 10.07483 10.081318 10.081030   10.074475
32 ${\rm 2s^2 2p^5 4p ~ ^3S_1}$ 10.24486 10.248513 10.246311    
33 ${\rm 2s^2 2p^5 4p ~ ^3D_3}$ 10.27825 10.282198 10.285662    
34 ${\rm 2s^2 2p^5 4p ~ ^3D_2}$ 10.28347 10.287772 10.292513    
35 ${\rm 2s^2 2p^5 4p ~ ^1P_1}$ 10.29257 10.297196 10.302666    
36 ${\rm 2s^2 2p^5 4p ~ ^3P_2}$ 10.29820 10.302854 10.309430    
37 ${\rm 2s^2 2p^5 4p ~ ^3P_0}$ 10.32510 10.330410 10.337097    
38 ${\rm 2s^2 2p^5 4p ~ ^3D_1}$ 10.32766 10.331017 10.335484    
39 ${\rm 2s^2 2p^5 4p ~ ^1D_2}$ 10.33545 10.338814 10.345399    
40 ${\rm 2s^2 2p^5 4p ~ ^3P_1}$ 10.33545 10.339068 10.344921    
41 ${\rm 2s^2 2p^5 4p ~ ^1S_0}$ 10.43362 10.491684 10.528749    
42 ${\rm 2s^2 2p^5 4d ~ ^3P_0}$ 10.59995 10.606728 10.600389    
43 ${\rm 2s^2 2p^5 4d ~ ^3P_1}$ 10.60383 10.610847 10.604652    
44 ${\rm 2s^2 2p^5 4d ~ ^3P_2}$ 10.61133 10.618787 10.613007    
45 ${\rm 2s^2 2p^5 4d ~ ^3F_4}$ 10.61303 10.621538 10.616589    
46 ${\rm 2s^2 2p^5 4d ~ ^3F_3}$ 10.61793 10.626940 10.623125    
47 ${\rm 2s^2 2p^5 4d ~ ^1D_2}$ 10.62689 10.636085 10.632943    
48 ${\rm 2s^2 2p^5 4d ~ ^3D_3}$ 10.63038 10.640347 10.638092    
49 ${\rm 2s^2 2p^5 4d ~ ^3D_1}$ 10.64926 10.661087 10.660041    
50 ${\rm 2s^2 2p^5 4d ~ ^3F_2}$ 10.66570 10.673565 10.670477    
51 ${\rm 2s^2 2p^5 4d ~ ^3D_2}$ 10.66860 10.676813 10.674084    
52 ${\rm 2s^2 2p^5 4d ~ ^1F_3}$ 10.66937 10.677815 10.675137    
53 ${\rm 2s^2 2p^5 4f ~ ^3D_1}$ 10.68445 10.689679 10.689431    
54 ${\rm 2s^2 2p^5 4f ~ ^3D_2}$ 10.68502 10.690324 10.690251    
55 ${\rm 2s^2 2p^5 4f ~ ^3G_5}$ 10.68812 10.694274 10.694413    
56 ${\rm 2s^2 2p^5 4f ~ ^1G_4}$ 10.68821 10.694326 10.694619    
57 ${\rm 2s^2 2p^5 4f ~ ^3D_3}$ 10.69027 10.695958 10.696143    
58 ${\rm 2s^2 2p^5 4f ~ ^1D_2}$ 10.69082 10.696471 10.697012    
59 ${\rm 2s^2 2p^5 4f ~ ^1F_3}$ 10.69390 10.700062 10.700759    
60 ${\rm 2s^2 2p^5 4f ~ ^3F_4}$ 10.69399 10.700209 10.700871    

Notes. (a) Sources of NIST v3 are from the work of Martin & Zalubas (1983) and references therein. (b) Theoretical energies from Bhatia et al. (1985). (c) Data is calculated with multiconfiguration Hartree-Fock (MCHF) or multiconfiguration Dirac-Fock (MCDF) method, and available from website: http://atoms.vuse.vanderbilt.edu/


Source LaTeX | All tables | In the text

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