Inverse-trans-influence calculated from eqn (1) for the MBr3(OPcy3)3 (M = Am, Nd, Pr, Ce, La) series6.
| MBr3(OPcy3)3 | Am | Nd | Pr | Ce | La |
|---|---|---|---|---|---|
| Radius (Å)a | 0.975 | 0.983 | 0.99 | 1.01 | 1.032 |
| ITIM–Br | 98.8(2) | 98.9(2) | 98.8(2) | 99.0(2) | 99.1(1) |
| ITIM–O | 98.2(2) | 98.6(3) | 98.4(2) | 98.6(1) | 99.0(3) |
6-Coordinate Shannon ionic radius.