Ca4Cl2Fe1.5Mn1.5O8

• Ca-Cl-Fe-Mn-O
• magnetic properties
• thermal and thermodynamic properties
• electronic and electrical properties
• Curie-Weiss paramagnetism
• values of Moessbauer spectra
• chloride
• chalcogen
• halogen
• tripolyhedral
• intermediate valence
• tetragonal