Crystalline silver( III ) oxide , which is stable over prolonged periods at −20°C, was obtained by anodic oxidation of AgClO 4 , AgBF 4 or AgPF 6 (not AgNO 3 ) in aqueous solution. The oxide of definite composition Ag 2 O 3 was hitherto unknown. It arouses interest as a possible component of the anodes in zinc/silver oxide primary cells. According to an X‐ray structure analysis, the silver atoms in Ag 2 O 3 are coordinated by an almost square‐planar array of oxygen atoms. The AgO 4 groups are coupled via common oxygen atoms to give a three‐dimensional network.
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Standke et al. (1985) studied this question.