A New One-dimensional Chain-like Ag(I) Complex with Schiff Base Ligand Containing 4-Amino-1,2,4-triazole

The title compound, poly[N-[1-(3-pydidyl)ethylidene]-4H-1,2,4-triazol-4-aminesilver(I) tetrafluoroborate], [Ag(C9H9N5)(BF4)](n), is the result of complexing Ag cation with N-[1-(3-pydidyl)ethylidene]-4H-1,2,4-triazol-4-amine (L), and its crystal structure was determined by single-crystal X-ray diffraction. The crystal belongs to the monoclinic system, space group C2/c with a = 18.899(6), b = 9.882(2), c = 15.472(4) angstrom, beta = 120.158(3), V = 2498.5(11) angstrom(3), C9H9AgBF4N5, M-r = 381.89, D-c = 2.031 g/cm(3), mu(MoKa) = 1.659 mm(-1), F(000) = 1488, Z = 8, the final R = 0.0441 and wR = 0.0619 for 1094 observed reflections (I > 2 sigma(I)). In the structure, ligand L bridges the two metal Ag(I) centers in a bidentate fashion and each metal ion coordinates with two nitrogen atoms, forming a one-dimensional rectangular chain. The neighboring chains are connected by two additional Ag-N weak interactions into a 3D framework structure. The title compound shows blue fluorescence property at room temperature.