Cl-Cs-Cu-O-P, Cs-x polyhedra

• Cl-Cs-Cu-Na-O-P
• thermal and thermodynamic properties
• electronic and electrical properties
• Debye or Einstein temperature
• Seebeck coefficient
• thermoelectric power
• chalcogen
• chloride
• diphosphate
• alkali
• orthorhombic
• tetragonal