As-Ca-F-Fe, As-x polyhedra, Non-disordered

• As-Ca-F-Fe-K
• electronic and electrical properties
• thermal and thermodynamic properties
• magnetic properties
• phase transitions
• conductivity or resistivity
• metalloid
• non-disordered
• alkaline
• halogen
• pnictogen
• tetragonal
• orthorhombic
• monoclinic