Abstract
A new silver(І) complex formulated as [Ag(μ-amp)(ONO2)]n (1) (amp = 2-aminopyrimidine) was synthesized and characterized by elemental analysis, IR spectroscopy, and single-crystal X-ray diffraction. Its thermal stability was studied by TGA/DTA. The bridging 2-aminopyrimidine ligands connect Ag(I) ions into a polymeric chain extended along the a axis; the chains are connected by nitrate anions and Ag…Ag interactions into 2 D arrays parallel with ac; these arrays are finally connected by hydrogen bonds into a three-dimensional network. In vitro antibacterial activities of 1 on Staphylococcus aureus (ATCC25923), Enterococcus faecalis (ATCC29219), Pseudomonas aeruginosa (ATCC27853) and Escherichia coli (ATCC25922) as important pathogens in producing infection in humans were investigated. Antibacterial activities were studied by determining minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). The silver 1 D-coordination polymer with appropriate concentrations has good efficacy on these microorganisms. Escherichia coli is most sensitive to the complex (MIC: 0.009 µg/mL).
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