Table 1. Hydrogen-bond geometry (Å, °).
Cg1 and Cg2 are the centroids of the N2/C3–C7and N3/C9–C13 rings, respectively.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| C7—H1⋯Cg2i | 0.93 | 2.97 | 3.819 (2) | 153 |
| C15—H16⋯Cg1ii | 0.96 | 2.94 | 3.836 (2) | 156 |
Symmetry codes: (i) 
; (ii) 
.
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