Chalcogen, P121/n1, Valence or charge transfer

• Ca-Fe-O-Re
• Hg-O-Se
• Fe-Mn-O-Sb
• O-Se-V-Zn
• Bi-Gd-O-Sr
• effective charge
• chalcogen
• quaternary
• transitional
• oxide
• non-disordered
• monoclinic
• cubic