Table 3. Comparison of Ba–O and Ba–N Bond Lengths (pm) as Well as Selected Bond Angles (Deg) in Trinuclear Complexes 3 and 4.
| 3 | 4 | 4 | |
|---|---|---|---|
| complex | molecule A | molecule B | |
| Ba1–O1 | 280.7(3) | 276.9(8) | 283.0(7) |
| Ba2–O1 | 270.6(3) | 260.9(7) | 264.5(7) |
| Ba2–O2 | 263.7(3) | 262.3(7) | 264.3(9) |
| Ba3–O2 | 281.9(3) | 281.7(7) | 277.6(9) |
| Ba1–N1 | 269.4(4) | 272.5(8) | 273.3(8) |
| Ba3–N2 | 279.2(3) | 271.9(8) | 270.6(10) |
| Ba1–N1–CMes | 124.3(3) | 130.2(7) | a |
| Ba3–N2–CMes | 137.1(3) | 132.0(7) | 125.8(10) |
| P1–N1–CMes | 134.3(4) | 127.2(7) | a |
| P2–N2–CMes | 123.0(3) | 127.8(8) | 133.3(10) |
| Ba1···Ba2 | 396.17(6) | 396.17(13) | 398.24(16) |
| Ba2···Ba3 | 411.59(6) | 396.89(13) | 397.84(18) |
a
The mesityl group at N1B in molecule 4B is disordered on two sites with Ba1–N1–CMes and P1–N1–CMes bond-angle pairs of 120.5(13)/131.8(17)° and 138.3(13)/127.8(17)°, respectively.