The irreducible spherical tensor ligand-field components of rank k and order m (Bkm) and strength parameters (S) (in cm−1) of YbIII(CH(SiMe3)2)3 determined from the ab initio ground L (SF) and J (SO) manifolds.
| B 0 2 | B 2 2 | B 0 4 | B 2 4 | B 3 4 | B 4 4 | B 0 6 | B 2 6 | B 3 6 | B 4 6 | B 6 6 | S | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SF-CASSCF | −1839 | 11 | −24 | 3 | 317 | 3 | 43 | 2 | 185 | 3 | 216 | 487 |
| SF-CASPT2 | −2302 | 74 | −97 | 173 | 374 | 161 | −465 | 58 | 331 | 62 | 550 | 630 |
| SO-CASSCF | −1854 | 11 | −33 | 3 | 316 | 3 | 36 | 2 | 167 | 3 | 221 | 490 |
| SO-CASPT2 | −2319 | 75 | −104 | 168 | 368 | 164 | −454 | 51 | 296 | 55 | 580 | 634 |