Alkali, Nonmetal, Breczewski

• H-Li-O-Rb-S
• Cs-I-Zn
• H-K-Li-O-S
• Cr-K-Na-O
• Br-Rb-Zn
• thermal and thermodynamic properties
• mechanical properties
• elasticity
• phase transitions
• elastic stiffness coefficient
• alkali
• nonmetal
• chalcogen
• non-disordered
• quinary
• tetragonal
• triclinic
• orthorhombic
• monoclinic
• trigonal