Table 1. Selected geometric parameters (Å, °) for compound 1 .
| Mn1—N1 | 2.0495 (17) | Mn1—N3 | 2.0810 (16) |
| Mn1—N2 | 2.0600 (16) | Mn1—N4 | 2.1336 (17) |
| N1—Mn1—N2 | 118.35 (7) | N1—Mn1—N4 | 101.27 (7) |
| N1—Mn1—N3 | 112.93 (6) | N2—Mn1—N4 | 93.83 (7) |
| N2—Mn1—N3 | 123.57 (7) | N3—Mn1—N4 | 97.99 (6) |