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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N11—H11A⋯O25i	0.86	2.22	3.047 (4)	161
N11—H11B⋯O22ii	0.86	2.46	3.139 (4)	136
N12—H12⋯O18iii	0.86	2.30	2.998 (3)	139
N12—H12⋯O20iii	0.86	2.16	2.896 (3)	144
N21—H21A⋯O13iv	0.86	2.31	3.142 (3)	163
N21—H21B⋯O11v	0.86	2.42	3.201 (4)	151
N22—H22⋯O28vi	0.86	2.38	3.121 (3)	145
N22—H22⋯O30vi	0.86	2.05	2.755 (3)	138
O11—H111⋯O27vii	0.84 (3)	2.30 (3)	3.103 (3)	161 (2)
O11—H111⋯O29vii	0.84 (3)	2.19 (2)	2.749 (3)	123 (2)
O11—H211⋯O18viii	0.84 (1)	1.95 (2)	2.777 (3)	173 (3)
O12—H112⋯O27	0.84 (2)	1.85 (2)	2.684 (3)	176 (2)
O12—H212⋯O28ii	0.84 (1)	1.78 (1)	2.619 (2)	172 (3)
O21—H121⋯O20iii	0.84 (2)	1.85 (1)	2.682 (3)	176 (3)
O21—H221⋯O17v	0.84 (2)	1.85 (2)	2.681 (3)	177 (2)
O22—H122⋯O23ix	0.85 (2)	1.94 (2)	2.780 (2)	173 (3)
O22—H222⋯O19	0.84 (2)	1.85 (2)	2.646 (3)	157 (3)

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