Linear silver isonicotinamide complex extended by arenedisulfonate via hydrogen bonds and weak Ag⋯O interactions
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Abstract
Four novel supramolecular frameworks constructed by complex cation [Ag(INA)2]+ (INA = isonicotinamide) and 1,5-naphthalenedisulfonate (1,5-NDS, compound 1), 2,6-naphthalenedisulfonate(2,6-NDS, compound 2), biphenyldisulfonate (BPDS, compound 3) and 4,4′-biphenyletherdisulfonate (PEDS, compound 4) anions were synthesized and characterized by X-ray single crystal diffraction, elemental analyses and IR spectra. The [Ag(INA)2]+ building blocks were extended into well-ordered supramolecular frameworks by complementary hydrogen bonds and weak Ag–O interaction with the sulfonate group. Ligand-supported weak argentophilic interactions are observed in compounds 2 and 4. The linkers of the disulfonate groups play an important role in the self-assembly process, and a total of twelve assembly patterns could be predicted for the frameworks constructed by [Ag(INA)2]+ and arenedisulfonate anions.
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