Table 1.
Selected bond lengths (Å) for reported complexes. The Mn–O bond lengths vary depending on manganese oxidation state, but not significantly due to the redox-inactive metal M. M–O bond lengths vary with ionic radius. All e.s.d.s were calculated rigorously from the full covariance matrix.40
| [1-Ca(DME)(OTf)]2+ | [2-Ca(DME)(OTf)]+ | [1-Sr(DME)(OTf)]2+ | [2-Sr(DME)(OTf)]+ | [1-Na]24+ | [1-Zn(CH3CN)]3+ | [2-Y(DME)(OTf)]2+ | |
|---|---|---|---|---|---|---|---|
| M–Mn1 | 3.317(1) | 3.283(1) | 3.476(1) | 3.424(1) | 3.216(3) | 3.0005(8) | 3.3011(6) |
| M–Mn2 | 3.749(1) | 3.802(1) | 4.005(1) | 3.923(1) | 3.739(3) | 3.3495(9) | 3.7533(6) |
| M–Mn3 | 4.042(1) | 4.034(1) | 4.149(1) | 4.166(1) | 3.942(3) | 3.7595(9) | 3.8592(6) |
| Mn1–Mn2 | 3.0480(9) | 3.0111(9) | 3.062(1) | 3.020(2) | 3.076(2) | 3.065(1) | 3.2110(7) |
| Mn1–Mn3 | 3.0486(9) | 3.1537(9) | 3.051(1) | 3.142(2) | 3.000(2) | 3.038(1) | 3.0494(7) |
| Mn2–Mn3 | 3.0179(9) | 3.0541(9) | 3.025(1) | 3.064(2) | 3.004(2) | 3.0739(9) | 3.1223(7) |
| M–O2 | 2.349(3) | 2.368(3) | 2.510(5) | 2.508(5) | 2.300(6) | 2.008(3) | 2.269(2) |
| M–O1 | 2.452(3) | 2.397(3) | 2.651(4) | 2.536(5) | 2.422(6) | 2.090(3) | 2.232(2) |
| Mn1–O2 | 1.842(3) | 1.887(3) | 1.841(4) | 1.869(5) | 1.840(5) | 1.862(3) | 1.889(2) |
| Mn1–O1 | 2.017(3) | 1.939(3) | 2.022(4) | 1.943(5) | 1.995(5) | 1.981(3) | 2.150(2) |
| Mn2–O1 | 1.913(3) | 2.159(3) | 1.932(4) | 1.856(5) | 1.936(5) | 1.946(3) | 2.177(2) |
| Mn3–O1 | 1.958(3) | 1.860(3) | 1.936(4) | 2.172(5) | 1.889(5) | 1.960(3) | 1.895(2) |
| Avg. Mn– O1 | 1.96 | 1.99 | 1.96 | 1.99 | 1.94 | 1.96 | 2.07 |