Cell and atoms, Chalcogen, Elastic moduli, Octahedron 6-vertex

• C-H-N-O
• Fe-H-O-P
• O-V
• H-Na-O-P
• Fe-H-O-S
• isothermal bulk modulus
• shear modulus
• Poisson ratio
• Young modulus
• chalcogen
• transitional
• disordered
• non-disordered
• monoclinic
• orthorhombic
• cubic
• trigonal
• tetragonal