Construction of a dinuclear silver(I) coordination complex with a Schiff base containing 4-amino-1,2,4-triazole ligands

The new ligand 1-(1,2,4-triazol-4-ylimino­meth­yl)-2-naphthol (L) and the title silver(I) complex, namely bis­[μ-1-(1,2,4-triazol-4-ylimino­meth­yl)-2-naphthol]bis­{[1-(1,2,4-triazol-4-yl­imino­meth­yl)-2-naphthol]silver(I)} dinitrate monohydrate, [Ag(2)(C(13)H(10)N(4)O)(4)](NO(3))(2)·H(2)O, were synthesized. Each silver center in the dimeric complex (related by an inversion centre) is coordinated by two bridging L ligands and one additional L ligand in a monodentate fashion, exhibiting a distorted trigonal-planar coordination. The discrete dimers are further linked through O—H⋯O hydrogen bonds and weak π–π stacking inter­actions [the shortest atom–atom separation is ca 3.46 Å between the parallel stacking pairs]. Intramolecular O—H⋯N hydrogen bonds are also present.