Synthesis and Characterization of Novel Thiourea Derivatives and Their Nickel and Copper Complexes

Table 4

Hydrogen bonding geometry (Å, °) for HL¹, HL², HL⁴, and Ni(L³)₂ compounds.

Compound	D–H⋯A	D–H	H⋯A	D⋯A	D–H⋯A
HL^1	N2–H2⋯S1^i	0.83(2)	2.68(2)	3.470(4)	159.8(19)
	C2–H7⋯O1^ii	0.93	2.38	3.189(4)	146
	C9–H9C⋯S1	0.96	2.50	3.020(4)	114
	C10–H10A⋯O1	0.96	2.44	2.818(4)	103
	C10–H10C⋯N2	0.96	2.44	2.801(4)	102
HL^2	N1–H1N⋯O1^iii	0.83(3)	2.10(3)	2.880(2)	157(2)
	C9–H9A⋯S1	0.97	2.59	3.054(2)	109
HL^4	N1–H1N⋯S1^iv	0.82(3)	2.65(3)	3.442(2)	165(3)
	C2–H2⋯O^v	0.93	2.49	3.290(4)	144
	C9–H9A⋯O	0.97	2.27	3.009(4)	132
	C13A–H13B⋯S	1.04	2.51	3.084(18)	114
	C13A–H13D⋯S	0.97	2.57	3.084(18)	113
Ni(L^3)2	C2–H2B⋯S1	0.99	2.51	2.918(8)	104
	C10–H10A⋯O1	0.95	2.35	2.679(8)	100
	C13–H16A⋯S2	0.99	2.52	2.963(9)	107

Symmetry codes: ⁱ1−𝑥, 2−𝑦, −𝑧; ⁱⁱ−𝑥, 2−𝑦, −𝑧; ⁱⁱⁱ𝑥, 1/2−𝑦, −1/2+𝑧; ^iv1−𝑥, −𝑦, −𝑧; ^v1−𝑥, −𝑦, 1−𝑧.