Selected hydrogen bond geometry parameters (Å, °) for 7.

D–H⋯A	D–H	H⋯A	D⋯A	D–H⋯A
N8–H8A⋯O5Ab	0.91	2.38	3.126 (16)	140
N8–H8A⋯O5Bb	0.91	2.52	3.33 (2)	148
N9–H9A⋯Cl2c	0.91	2.33	3.224 (7)	169
N9–H9B⋯O6A	0.91	2.21	3.10 (8)	165
N9–H9B⋯O6Aa	0.91	2.59	3.36 (9)	143
N9–H9B⋯O6B	0.91	2.27	3.11 (9)	152
N7–H7⋯Cl1A	0.93 (8)	2.1 (4)	3.0 (4)	160 (15)
N7–H7⋯Cl1B	0.93 (8)	2.1 (5)	3.0 (5)	162 (16)
N10–H10⋯O1d	0.89 (9)	1.94 (10)	2.793 (9)	161 (8)
N16–H16⋯O2e	0.79 (8)	2.16 (8)	2.844 (8)	144 (7)
N5–H5⋯Cl2	0.94 (9)	2.23 (9)	3.093 (7)	153 (7)

^a−x + 1, −y, −z + 2.

^b−x + 1, −y, −z + 1.

^c−x, −y + 1, −z + 2.

^d x + 1, y, z.

^e−x + 1, −y + 1, −z + 1.