Structure and magnetic properties of tetragonal silver(I,III) oxide, AgO

The Close Relationships between the Crystal Structures of MO and MSO4 (M = Group 10, 11, or 12 Metal), and the Predicted Structures of AuO and PtSO4

“…LT 75.52 [13] 16 I4/mmm HP[a] 23.94 [14] 2 C2/c HT 79.95 [13] 4 AgO P2 1 /c 26.67 [15] 4 AgSO 4 C2/c 75.86 [16] 16 I4 1 /a 26.62 [17] 16 CdO Fm3m 25.94 [18] 4 CdSO 4 Pn2 1 m 72.70 [19] 2 Pm3m HP ≈17.8…”

AgIISO4: A Genuine Sulfate of Divalent Silver with Anomalously Strong One‐Dimensional Antiferromagnetic Interactions

“…Similarities in the coordination spheres of both silver centers suggests the Ag II SO 4 formulation in contrast to the binary oxide "AgO", which is in fact the mixed-valence species Ag I Ag III O 2 . [11] The increased Lewis acidity of AgSO 4 (AgO·SO 3 ) appears to prevent disproportionation [12] in a similar fashion to some gold(II) derivatives. [13] The sulfate anion has four distinct SÀO bonds that vary between 1.427(12) and 1.503 (8) .…”

Recent results in solid state chemistry of ionic ozonides, hyperoxides, and peroxides

“…Powder neutron diffraction [238] and more recently single-crystal X-ray methods [239] show that AgO = Ag2Ü2 contains no peroxide groups, but should be formulatedas Ag^Ag^C^ · Furthermore, Ag02, which was obtained as thin films andnot as abulk material, was reported to form acubic-phase (a=555 pm), fromelectron diffraction, but no structure has been proposed [240,241].Similarly, peroxide-ion formation in high-T c superconducting cuprate phases QTBdi 2 C\x^Oj^ as postulated by…”