Table 6. Parameters of π–π interactions (Å).
| (1) | (2) | (3) | (4) | |
|---|---|---|---|---|
| Centroid-to-centroid | 3.6461 (6) | 3.6485 (6) | 3.6337 (5) | 3.6370 (5) |
| Plane-to-plane shift | 0.770 (3) | 0.829 (3) | 0.8599 (19) | 0.8290 (19) |
| Plane-to-centroid | 3.5639 (3) | 3.5532 (2) | 3.53045 (15) | 3.54130 (15) |