Table 3. Summary of π–π contacts (Å) in (I).
| Ring 1 | Ring 2 | Distance | Symmetry operation |
|---|---|---|---|
| Cg(C8–C13) | Cg(S3,C14,N4,C20–C15) | 3.848 (4) | x, y, z |
| Cg(C8–C13) | Cg(C15–C20) | 3.891 (5) | x, y, z |
| Cg(S3—C14—N4—C20—C15) | Cg(C21–C26) | 3.923 (4) | − 1 + x, y, z |
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