Acta Cryst. (2009). E65, m1285  [ doi:10.1107/S1600536809039579 ]

Bis[N'-(3-cyanobenzylidene)isonicotinohydrazide-N]silver(I) trifluoromethanesulfonate

C.-Y. Niu, H.-Y. Zhang and X.-S. Wan

Abstract: In the title compound, [Ag(C₁₄H₁₀N₄O)₂]CF₃SO₃, two N atoms from two independent pyridyl rings of two N'-3-cyanobenzylideneisonicotinohydrazide ligands coordinate to the unique Ag^I ion, forming a nearly linear coordination geometry. Adjacent silver complexes are primarily linked together by AgN interactions, with AgN separations of 2.877 (2) and 3.314 (2) Å. On the other hand, one CF₃SO₃^- anion interacts with hydrazone groups of two neighbouring ligands via N-HO hydrogen bonds. These weak intermolecular interactions contribute to the formation of supramolecular chains. In addition, there are AgO interactions [2.787 (2) Å] between Ag and O atoms from adjacent chains.

Online 3 October 2009

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