(2s2s) 1 S Z= 2 He 0
Table 1. Novikov N.V. // Wave Function Value Database http://cdfe.sinp.msu.ru/services/wftables/
| j | R n1,l1 (α1,r) | R n2,l2 (α2,r) | g | ||
| n1 l1 | α1 | n2 l2 | α2 | ||
| 1 | 2s | 1.5741 | 2s | 2.1047 | 0.6620715985939324E+00 |
| 2 | 1s | 2.0000 | 2s | 2.1047 | -0.7383665659740261E-01 |
| 3 | 2s | 1.5741 | 1s | 2.0000 | 0.1950696051564054E-01 |
| 4 | 1s | 2.0000 | 1s | 2.0000 | -0.3076604478385804E-02 |
| 5 | 2s | 2.0832 | 3s | 3.7805 | 0.4142658709323067E-01 |
| 6 | 1s | 2.0000 | 3s | 3.7805 | 0.9686804195191562E-03 |
| 7 | 2s | 2.0832 | 1s | 2.0000 | 0.4742779967627816E-02 |
| 8 | 1s | 2.0000 | 1s | 2.0000 | 0.1568372938670814E-03 |
| 9 | 3s | 3.9167 | 4s | 4.0012 | -0.9205740873319818E-02 |
| 10 | 1s | 2.0000 | 4s | 4.0012 | -0.1047966515283607E-02 |
| 11 | 3s | 3.9167 | 1s | 2.0000 | -0.5713877380215594E-03 |
| 12 | 1s | 2.0000 | 1s | 2.0000 | -0.9198871966750055E-04 |
| 13 | 2p | 1.9164 | 2p | 1.3005 | 0.3878656655479178E+00 |
| 14 | 2p | 1.7741 | 4p | 3.1767 | -0.3074540899734669E-01 |
| 15 | 2p | 3.4409 | 4p | 6.0189 | 0.1369239391069001E-01 |
| 16 | 3d | 3.6632 | 3d | 3.6632 | 0.1646112485996979E-01 |
| 17 | 3d | 7.6797 | 4d | 15.9849 | -0.3873592705761968E-02 |
| 18 | 4f | 9.4212 | 4f | 9.4212 | -0.2788460623502673E-02 |
| 19 | 2p | 4.5487 | 2p | 4.5487 | -0.2295856987045514E-02 |
| 20 | 2p | 9.9790 | 3p | 8.7354 | 0.8875059104476602E-03 |
| 21 | 4p | 13.3926 | 4p | 13.3926 | 0.1307333731172527E-03 |
| 22 | 2p | 4.2541 | 4p | 12.7514 | 0.3231231596720066E-03 |
| 23 | 3p | 23.5973 | 4p | 22.8622 | 0.9338553977752270E-04 |
| 24 | 3d | 12.1700 | 3d | 12.1700 | 0.9816806285760070E-03 |
| 25 | 4d | 18.7485 | 4d | 18.7485 | -0.5008498073334751E-03 |
| 26 | 5d | 26.0128 | 5d | 26.0128 | -0.1888150792197482E-04 |
| 27 | 3d | 6.4375 | 5d | 17.0401 | 0.2134070197868110E-02 |
| 28 | 4f | 20.4645 | 4f | 20.4645 | 0.3867640569779959E-04 |
| 29 | 5f | 26.6703 | 5f | 26.6703 | -0.6681589408061998E-04 |
| 30 | 5g | 30.0567 | 5g | 30.0567 | 0.1442889870949047E-03 |
| 31 | 1s | 1.2528 | 1s | 2.0782 | -0.1079646079008546E-02 |
| 32 | 1s | 2.0046 | 4s | 13.5142 | 0.9192295951932016E-05 |
| 33 | 1s | 2.8406 | 2s | 4.0102 | 0.8029327889586557E-04 |
| 34 | 2s | 15.5968 | 4s | 15.4593 | 0.2315296075266193E-05 |
| 35 | 1s | 2.5633 | 3s | 4.5283 | -0.1864961487032537E-04 |
| 36 | 1s | 2.0000 | 2s | 5.2274 | -0.9355133274609050E-04 |
| 37 | 2s | 10.9398 | 3s | 7.2996 | -0.1105814149275807E-05 |
| 38 | 3s | 15.9107 | 4s | 13.4831 | -0.2705569365955181E-05 |
| 39 | 4s | 18.8723 | 5s | 19.6216 | 0.3868786328531741E-06 |
| 40 | 1s | 1.9968 | 2s | 1.1465 | 0.3203741097542688E-02 |
| 41 | 1s | 1.3068 | 2s | 4.4919 | 0.1542280964357050E-03 |
| 42 | 1s | 2.0033 | 3s | 1.1414 | 0.1323863695435453E-02 |
| 43 | 1s | 2.0000 | 4s | 1.1022 | -0.5350028178429052E-03 |
| 44 | 1s | 2.0000 | 5s | 1.0803 | -0.3969165151421003E-03 |
Energy= -0.77860113 a.u.
Table 2. Kheifets A.S. // J.Phys B26, 2053, (1993)
| j | R n1,l1 (α1,r) | R n2,l2 (α2,r) | g | ||
| n1 l1 | α1 | n2 l2 | α2 | ||
| 1 | 2s | 2.0000 | 2s | 2.0000 | 0.832 |
| 2 | 2s | 2.0000 | 3s | 2.0000 | -0.176 |
| 3 | 2s | 2.0000 | 4s | 2.0000 | -0.052 |
| 4 | 2p | 2.0000 | 2p | 2.0000 | 0.483 |
| 5 | 2p | 2.0000 | 3p | 2.0000 | -0.190 |
| 6 | 2p | 2.0000 | 4p | 2.0000 | -0.069 |
Energy= -0.77374087 a.u.