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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C6—H6C⋯O1i	0.96	2.42	3.255 (4)	145
C8—H8B⋯O1ii	0.97	2.68	3.463 (3)	138
C5—H5B⋯O2iii	0.97	2.67	3.323 (3)	125
C7—H7C⋯O2iv	0.96	2.50	3.415 (4)	158

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