8-equatorial capped pentagonal prism 18-vertex, Structural properties, Tetragonal

• Bi-Cl-O
• Ba-Cl-F
• B-Er-Fe-Mn
• As-Fe-Mn
• Cl-La-O
• mechanical properties
• compressibility
• thermal and thermodynamic properties
• non-disordered
• ternary
• transitional
• rare earth