Table 3. Selected Hydrogen Bonding Parameters (Å, deg) for the Halide Complexes of L^a.

D–H···A	D···A	H···A	∠D–H···A
1
N1–H1···Cl1	3.0674(18)	2.14	178.1
N2–H22···Cl1	3.126(2)	2.25	159.5
N3–H32N···Cl1	3.146(2)	2.23	170.6
2
N2–H21N···Br1	3.3398(12)	2.48(2)	168.0(19)
N3–H31N···Br1	3.3622(12)	2.52(2)	167.2(19)
3
N(4)–H(4A)···I(2)	3.827(5)	3.22(6)	129(4))
N(13)–H(13B)···I(2)i	2.76(5)	3.573(5)	159(5)
N(4)–H(4B)···O(1S)	2.13(6)	2.935(6)	157(5)
N(13)–H(13A)···O(1S)i	2.10(6)	2.948(6)	178(5)
O(1S) −H(1S) ···I(1)	2.87(6)	3.539(4)	148(6)

^a(i) Symmetry code: 1 – x + 1, −y + 1, −z.