Table 3. Reference and Interpolated Ec Values, in hartree, for the Be Isoelectronic Series.
| Z | CCSD | local SPL | global SPL | local LB | Padé[1/1] | local two-leg |
|---|---|---|---|---|---|---|
| 4 | –0.0920 | –0.0876 | –0.1049 | –0.0925 | –0.0911 | –0.1046 |
| 5 | –0.1089 | –0.1041 | –0.1250 | –0.1100 | –0.1076 | –0.1246 |
| 6 | –0.1244 | –0.1202 | –0.1455 | –0.1271 | –0.1229 | –0.1444 |
| 7 | –0.1389 | –0.1363 | –0.1668 | –0.1443 | –0.1373 | –0.1645 |
| 8 | –0.1534 | –0.1532 | –0.1898 | –0.1626 | –0.1517 | –0.1859 |
| 9 | –0.1683 | –0.1717 | –0.2157 | –0.1826 | –0.1666 | –0.2098 |
| 10 | –0.1833 | –0.1920 | –0.2447 | –0.2046 | –0.1817 | –0.2361 |