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

• Co-Li-Mn-Ni-O
• Fe-N-Nd
• Ga-La-O-Si
• La-O-S
• Mg-Sb
• thermal and thermodynamic properties
• thermal expansion
• transitional
• disordered
• chalcogen
• non-disordered