Cell and atoms, Chalcogen, Distorted square anti-prism-b 8-vertex, Hexagonal

• Fe-Se
• Fe-S
• Al-Ca-Cl-K-Na-O-S-Si
• Cr-Te
• Ni-S
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• mechanical properties
• elastic moduli
• chalcogen
• transitional
• disordered
• non-disordered