Chalcogen, Oxide, H-W, Structural properties

• H-Na-O-W
• H-O-P-W
• H-O-Ta-W
• H-N-Nb-O-W
• F-H-N-O-W
• transitional
• oxide
• chalcogen
• hydrate
• triclinic
• monoclinic
• cubic
• orthorhombic
• tetragonal