Alkali, Chalcogen, Sound velocity

• H-Li-O-Rb-S
• Mo-O-Rb
• Ba-Na-Nb-O
• K-Mo-O
• K-O-W-Y
• values of sound velocity
• longitudinal sound velocity
• transverse sound velocity
• chalcogen
• alkali
• nonmetal
• conductor
• non-disordered
• cubic
• tetragonal
• orthorhombic
• monoclinic
• hexagonal