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Silver acetate : ウィキペディア英語版
Silver acetate

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Silver acetate is an inorganic compound with the empirical formula CH3CO2Ag (or AgC2H3O2). It is a photosensitive, white crystalline solid. It is a useful reagent in the laboratory as a source of silver ions lacking an oxidizing anion. It has been used in some antismoking drugs.
==Synthesis and structure==
Silver acetate can be synthesized by the reaction of acetic acid and silver carbonate at 45–60 °C. After allowing cooling to room temperature, the solid product precipitates.
:2 CH3CO2H + Ag2CO3 → 2 AgO2CCH3 + H2O + CO2
It can also be precipitated from concentrated aqueous solutions of silver nitrate by treatment with a solution of sodium acetate.
The structure of silver acetate consists of 8-membered Ag2O4C2 rings formed by a pair of acetate ligands bridging a pair of silver centres.〔Leif P. Olson, David R. Whitcomb, Manju Rajeswaran, Thomas N. Blanton, Barbara J. Stwertka "The Simple Yet Elusive Crystal Structure of Silver Acetate and the Role of the Ag−Ag Bond in the Formation of Silver Nanoparticles during the Thermally Induced Reduction of Silver Carboxylates" Chem. Mater., 2006, volume 18, pp 1667–1674. 〕

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