Table 1. Hydrogen-bond geometry (Å, °).
Cg1 andCg2 are the centroids of the thiophene and benzene rings, respectively.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C4—H4⋯N8i | 0.95 | 2.61 | 3.514 (3) | 159 |
| C2—H2⋯Cg1ii | 0.95 | 2.79 | 3.702 (3) | 161 |
| C6—H6A⋯Cg2iii | 0.99 | 2.72 | 3.515 (3) | 137 |
| C6—H6A⋯Cg2iv | 0.99 | 2.72 | 3.515 (3) | 137 |
Symmetry codes: (i)
; (ii)
; (iii)
; (iv)
.