C. Feldmann et M. Jansen, CS3AUO, THE 1ST TERNARY OXIDE WITH ANIONIC GOLD, Angewandte Chemie, International Edition in English, 32(7), 1993, pp. 1049-1050
Interdiffusion of Cs2O and CsAu produced the first ternary oxide with
anionic gold. A Au L3-XANES spectroscopic study showed that the anioni
c character of gold in Cs3AuO is even more pronounced than in CsAu. Th
e structure of the new compound is depicted on the right.