Rb7Au5O2 oI28 71

• Au-O-Rb
• Au-Cs-O
• Au-Cs-O-Rb
• structural properties
• values of Moessbauer spectra
• electronic and electrical properties
• Moessbauer spectra
• energy band structure
• transitional
• alkali
• chalcogen
• intermediate valence
• non-disordered
• orthorhombic