Al0.5Cl0.5H2.5Ir0.5Mg0.5O2.5Pt0.5

• Al-Cl-H-Ir-Mg-O-Pt
• optical properties
• phonons
• wavenumber of optical phonon
• optical spectra
• X-ray absorption spectra
• hydrate
• chalcogen
• hydroxide
• halogen
• chloride
• trigonal