Table 3. Selected Bond Lengths and Angles for the Octahedral Alkaline-Earth Complexes.
| selected bond lengths [Å] and angles [°] | 15 | 19 | 16 | 17 | 21 | 18 | 22 |
|---|---|---|---|---|---|---|---|
| M–O1/O1A | 2.0211(10) | 2.3116(11) | 2.0473(19) | 2.050(2) | 2.2895(16) | 2.0635(9) | 2.3048 |
| M–O2/O2A | 2.1295(11) | 2.3724(11) | 2.075(3) | 2.107(2) | 2.3370(17) | 2.0866(9) | 2.3055 |
| M–O3/O3A | 2.0835(11) | 2.3296(12) | 2.107(3) | 2.099(2) | 2.3490(18) | 2.1063(10) | 2.3623 |
| C–O1/O1A | 1.2725(18) | 1.2669(19) | 1.268(4) | 1.268(4) | 1.261(3) | 1.2816(16) | 1.2761 |
| C–O2/O2A | 1.2376(18) | 1.2385(19) | 1.233(4) | 1.255(4) | 1.253(3) | 1.2386(16) | 1.2330 |
| O1–M–O2 | 89.77(4) | 81.28(4) | 89.49(9) | 89.34(8) | 80.68(6) | 88.92(3) | 81.06 |
| O1–M–O2A | 90.23(4) | 98.72(4) | 90.51(9) | 90.66(8) | 99.32(6) | 91.08(3) | 98.94 |
| O1–M–O3 | 91.32(4) | 87.28(4) | 89.83(10) | 92.40(8) | 90.99(6) | 90.15(4) | 89.87 |
| O1–M–O3A | 88.68(4) | 92.72(4) | 90.17(10) | 87.60(8) | 89.01(6) | 89.85(4) | 90.13 |