Two new complexes, [Ag(L) 2 ](NO 3 ) Á (H 2 O)(1) and [Co(L) 2 Cl 2 ] (2) [L = 1-(imidazol-1-yl-methyl)-benzotriazole], have been synthesized and structurally characterized by X-ray diffraction techniques. In complex (1), the Ag(I) atom adopts a linear coordination geometry involving the imidazole nitrogens of two ligands. The [Ag(L) 2 ] units are developed into a three-dimensional structure by intermolecular hydrogen bonds, p-p interactions, and AgÁÁÁO interactions. In complex (2), the Co(II) atom is in a distorted tetrahedral environment with two imidazole nitrogens and two chloride ligands. The [Co(L) 2 Cl 2 ] units are assembled into a three-dimensional structure by intermolecular hydrogen bonds and p-p interactions. The bioactivities of both complexes have been studied, and the results indicate that complex (1) exhibits excellent radical-scavenging (RS) and fungicidal (FG) activities while complex (2) only has weak fungicidal activity.

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