Crystallographic data and structural refinement details of complexes 1–3.
| Complexes | 1 | 2 | 3 |
| Empirical formula | C44H29N4O4Zn | C47H32N4O5Cd | C61H40N4O8Zn2 |
| Formula weight | 743.08 | 845.16 | 1087.71 |
| Temperature (K) | 143 K | 296 K | 296 K |
| Wavelength (Å) | 0.71073 | 0.71073 | 0.71073 |
| Crystal system | Monoclinic | Triclinic | Monoclinic |
| Space group | P2/c | P21/c | P21/c |
| a (Å) | 14.366(2) | 11.885(3) | 8.040(5) |
| b (Å) | 24.779(4) | 32.905(8) | 27.239(17) |
| c (Å) | 11.229(19) | 10.927(3) | 25.707(16) |
| α (°) | 90 | 90 | 90 |
| β (°) | 90.011(2) | 98.710(3) | 97.818(8) |
| γ (°) | 90 | 90 | 90 |
| Z | 4 | 4 | 4 |
| F(000) | 1532 | 1720 | 2232 |
| ρ calcd/g cm−3 | 1.235 | 1.329 | 1.295 |
| μ (mm−1) | 0.660 | 0.566 | 0.917 |
| θ range [°] | 0.822 to 24.999 | 2.665 to 24.711 | 1.696 to 27.455 |
| Collected reflections | 6961 | 7050 | 12 649 |
| Unique reflections | 4453 | 5517 | 9851 |
| R 1, wR2 [I > 2σ(I)] | 0.0949 to 0.2634 | 0.0878 to 0.2247 | 0.0677 to 0.1597 |
| R 1, wR2 [all data] | 0.1413 to 0.3028 | 0.1099 to 0.2391 | 0.0910 to 0.1700 |
| GOF | 1.037 | 1.081 | 1.122 |