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Two silver(I)-sulfonate complexes,[Ag(NO_3)(4,4’-bipy)][Ag(HL)(4,4’-bipy)]·2H_2O(1) and[Ag(H_2O)(4,4’-bipy)][AgL(4,4’-bipy)]·2H_2O(2),have been synthesized by in situ reaction(H_2L = 2-formylbenzenesulfonic acid,4,4-bipy = 4,4-bipyridine).1 displays two parallel 1D chains expending to a 3D supramolecule by n—n interactions and O-H…O hydrogen bonds,in which the[Ag(NO_3)]or[Ag(HL)]units are joined by bridging 4,4’-bipy molecules,respectively.The interactions between the complexes and DNA were studied by means of fluorescence spectra and surface-enhanced Raman scattering(SERS) spectra.The special configuration and intercalation effects between 1 and DNA are stronger than that between 2 and DNA.
Two silver (I) -sulfonate complexes [Ag (NO_3) (4,4’-bipy)] [Ag (HL) , 4’-bipy)] [AgL (4,4’-bipy)] · 2H_2O (2), have been synthesized by in situ reaction (H_2L = 2-formylbenzenesulfonic acid, ) .1 displays two parallel 1D chains expending to a 3D supramolecule by n-n interactions and OH ... O hydrogen bonds, in which the [Ag (NO_3)] or [Ag (HL)] units are joined by bridging 4,4 ’ -bipy molecules, respectively. These interactions between the complexes and DNA were studied by means of fluorescence spectra and surface-enhanced Raman scattering (SERS) spectra. The special configuration and intercalation effects between 1 and DNA are stronger than that between 2 and DNA.