K2CoB12O14[OH]12[H2O]4 aP45 2

• B-H-K-Mg-O
• B-Co-H-N-O
• B-Co-H-O-Rb
• B-Co-H-K-O
• optical properties
• phonons
• wavenumber of optical phonon
• structural properties
• Raman spectra
• metalloid
• chalcogen
• non-disordered
• hydroxide
• quinary
• triclinic