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

Cg1 and Cg2 are the centroids of the phenyl rings C15–C20 and C3–C8, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C20—H20⋯O3i	0.93	2.68	3.468 (2)	143
C14—H14⋯O1ii	0.93	2.65	3.4886 (17)	150
C11—H11⋯Cg1iii	0.93	2.85	3.646 (2)	144
C17—H17⋯Cg2iv	0.93	2.77	3.630 (2)	154

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