Synthesis, Characterization, and Antibacterial Activities of 1H-Imidazo [5, 6-f] [1,10] Phenanthroline-2(3H)-Thione and Its Ni(II) and Cu(II) Complexes

Table 1

Physical properties of newly synthesized ligand and complexes.

Compound	Molecular formulae	Mol. wt (g/mol)	Color	% yield	MP (°C)	Elemental compositions found (Cal)					ΛΜ (Ω^−1 cm^2mol^−1)	Electrolytic nature
						C%	H%	N%	S%	M%
Ligand	[C13H8N4S]	252	Orange	68.5	264–267	59.78 (61.91)	3.19 (3.17)	21.72 (22.22)	11.71 (12.69)	—	—	—
NiL2	[NiC26H20N8O4]Cl2	637.693	Brown	36.45	313–314	47.25 (48.93)	3.09 (3.14)	17.89 (17.56)	0 (-)	8.78 (9.20)	119.5	✓
CuL2	[CuC26H20N8O4]Cl2	642.564	Green	82.33	289–291	48.05 (48.56)	3.01 (3.12)	16.82 (17.43)	0 (-)	10.32 (9.89)	139.6	✓