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

Cg is the centroid of the C1–C6 ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1N⋯O1i	0.84 (2)	2.23 (2)	3.041 (3)	161 (3)
N2—H2N⋯O3ii	0.86 (2)	1.97 (2)	2.828 (3)	171 (3)
C6—H6⋯O1i	0.93	2.53	3.422 (4)	161
C7—H7B⋯O2iii	0.97	2.47	3.434 (4)	172
C15—H15⋯O2iv	0.93	2.58	3.474 (4)	162
C14—H14⋯Cg v	0.93	2.84	3.675 (5)	150

Symmetry codes: (i) -x+1, -y, -z+2; (ii) -x+1, -y, -z+1; (iii) -x, -y, -z+2; (iv) x, y, z-1; (v) -x, -y, -z+1.