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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C6—H6⋯Cg1i	0.96 (2)	2.86 (2)	3.676 (2)	143.5 (18)

Symmetry code: (i) . Cg1 is the centroid of the C4–C9 ring.