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Acta Cryst. (2009). E65, m283-m284  [ doi:10.1107/S1600536809004760 ]

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

Q. Sun, F. Zheng, X. Sun and W. Wang

Abstract: The new ligand 1-(1,2,4-triazol-4-yliminomethyl)-2-naphthol (L) and the title silver(I) complex, namely bis[[mu]-1-(1,2,4-triazol-4-yliminomethyl)-2-naphthol]bis{[1-(1,2,4-triazol-4-yliminomethyl)-2-naphthol]silver(I)} dinitrate monohydrate, [Ag2(C13H10N4O)4](NO3)2·H2O, 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 [pi]-[pi] 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.

Online 18 February 2009

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