Table 4. Hydrogen bonding geometry (Å, °)^a.

D—H···A	D—H	H⋯A	D⋯A	D—H···A
N1–H1A⋯O4	0.89	2.01	2.845(2)	155.4
N1–H1B⋯O2ii	0.89	1.95	2.822(2)	165.3
N1–H1C⋯O1iii	0.89	2.41	2.996(2)	123.9
N1–H1C⋯O8i	0.89	2.12	2.839(2)	137.1
N2–H2A⋯O7iv	0.89	2.23	2.922(2)	134.8
N2–H2B⋯O2ii	0.89	1.98	2.819(2)	155.9
N2–H2C⋯O3	0.89	1.77	2.653(2)	173.1
O1–H41B⋯O6	0.90(3)	1.67(3)	2.5661(19)	176(3)
O4–H31⋯O8iii	0.81(3)	1.74(3)	2.547(2)	171(3)
O7–H6⋯O2ii	0.81(3)	1.86(3)	2.669(2)	172(3)
O5–H5⋯O6V	0.78(3)	1.81(3)	2.585(2)	173(3)

^aSymmetry codes: ⁱ −x + 2, −y, −z + 1; ⁱⁱx + 1, y, z; ⁱⁱⁱ −x + 1, −y, −z + 1; ^iv −x + 1, −y + 1, −z + 1; ^v −x + 1, −y, −z + 2.