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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C1—H1B⋯O2ii	0.97	2.53	3.396 (5)	149
C2—H2A⋯O1iii	0.97	2.49	3.417 (4)	160
C3—H3A⋯O2ii	0.93	2.66	3.412 (5)	139
C6—H6A⋯N2iv	0.93	2.39	3.314 (4)	176

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