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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H1O2⋯N1i	0.98 (2)	1.65 (2)	2.629 (1)	175 (2)
N2—H1N2⋯O1ii	0.88 (2)	2.04 (2)	2.898 (2)	165.4 (18)
N2—H2N2⋯O2iii	0.88 (2)	2.37 (2)	3.231 (2)	165.8 (17)
C3—H3⋯Cl1iv	0.99 (2)	2.82 (2)	3.780 (2)	163.4 (16)
C6—H6⋯O1v	0.91 (2)	2.58 (2)	3.095 (2)	116.3 (15)

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