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

Cg4 is the centroid of the C12–C17 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C11—H11C⋯Cg4i	0.96	2.84	3.477 (2)	125

Symmetry code: (i) .