As-Fe-O-Sm, Chalcogen, Structural properties

• As-F-Fe-O-Sm
• As-Fe-H-O-Sm
• As-Co-Fe-O-Sm
• As-Fe-Ir-O-Sm
• mechanical properties
• compressibility
• rare earth
• pnictogen
• metalloid
• chalcogen
• transitional
• tetragonal
• orthorhombic
• trigonal
• triclinic