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

Cg2 is the centroid of the C1A/C5A–C9A ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1A—H1A2⋯O2A	0.86	2.05	2.701 (3)	131
N1B—H1B2⋯O2B	0.86	2.05	2.696 (3)	131
N1A—H1A1⋯O1B i	0.86	2.57	3.328 (3)	148
N1B—H1B1⋯O1A ii	0.86	2.50	3.235 (3)	143
N1B—H1B1⋯O2A ii	0.86	2.53	3.367 (3)	165
C12A—H12A⋯Cg2iii	0.96	2.99	3.773 (2)	140

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