I4cm

• Cr-F-Pb
• O-P-V-Zn
• F-Pb-V
• F-Fe-Pb
• O-Pb-Ti-Zr
• structural properties
• electronic and electrical properties
• magnetic properties
• structural transitions
• ferroelectric transitions
• transitional
• non-disordered
• ternary
• halogen
• nonmetal
• tetragonal