Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1—H1⋯N7i	0.95	2.70	3.430 (2)	134
C2—H2⋯N7i	1.00	2.55	3.392 (2)	142
C2—H2⋯N8i	1.00	2.53	3.506 (2)	165
C3—H3⋯N3ii	1.00	2.46	3.351 (2)	149
C4—H4⋯N3ii	0.95	2.63	3.315 (2)	130
C4—H4⋯N4ii	0.95	2.67	3.543 (2)	154
C6—H6⋯N2	0.95	2.62	3.256 (2)	124
C7—H7⋯N6iii	0.95	2.63	3.339 (2)	132
C12—H12⋯N2ii	0.95	2.71	3.655 (2)	171
C13—H13⋯N7iv	0.95	2.74	3.379 (2)	125

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