Table 2. Hydrogen-bond geometry (Å, °).

Cg1 and Cg2 are the centroids of the C1–C6 and N3–N4/C9–C12 rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C4—H4⋯N4i	0.95	2.47	3.349 (6)	154
C10—H10⋯O2ii	0.95	2.55	3.283 (5)	134
C12—H12⋯O1iii	0.95	2.49	3.439 (5)	174
O1—H1⋯N1	0.90 (8)	1.76 (8)	2.557 (4)	146 (7)
C13—H13A⋯Cg2iv	0.98	2.86	3.740 (6)	149
C13—H13B⋯Cg1v	0.98	2.71	3.592 (6)	150

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) ; (v) .