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

Cg is the centroid of the N-pyridine ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1A⋯O3ii	0.84	1.82	2.629 (4)	159
O1—H1B⋯O6	0.88	1.94	2.755 (5)	154
O6—H6A⋯O4iii	0.85	2.40	3.232 (5)	166
O6—H6B⋯O4iv	0.83	2.01	2.829 (5)	170
C4—H4A⋯O2v	0.93	2.52	3.202 (5)	131
C7—H7A⋯O6vi	0.93	2.57	3.332 (6)	140
C8—H8A⋯O4vii	0.93	2.55	3.461 (6)	169
C9—H9A⋯O3viii	0.93	2.59	3.330 (6)	137
C12—H12A⋯O4ix	0.93	2.44	3.317 (5)	158
C15—H15A⋯O3ii	0.93	2.36	3.249 (5)	160
C2—H2A⋯Cgiv	0.93	2.72	3.547 (5)	150

Symmetry codes: (ii) ; (iii) ; (iv) ; (v) ; (vi) ; (vii) ; (viii) ; (ix) .