Beltran porter

• Cs-F-O-V
• H-O-P-V
• Co-H-O-P
• Bi-Ca-O-Sr
• N-Nb-O-Sr
• structural properties
• magnetic properties
• magnetic susceptibility
• values of magnetic susceptibility
• thermal and thermodynamic properties
• transitional
• pnictogen
• chalcogen
• quaternary
• hexagonal
• orthorhombic
• tetragonal
• monoclinic
• trigonal