Information card for entry 1001478

Structure parameters

• Chemical name: Potassium sodium niobium phosphate * - $-beta
• Formula: K2 Na1.73 Nb8 O34 P5
• Calculated formula: K2 Na1.73 Nb8 O34 P5
• Title of publication: The niobium phosphate bronze $-beta-K~2~Na~2-x~Nb~8~P~5~O~34~, second form of the first member of the series (K~3~Nb~6~P~4~O~26~)~n~KNb~2~PO~8~
• Authors of publication: Benabbas, A; Borel, M M; Grandin, A; Chardon, J; Leclaire, A; Raveau, B
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1991
• Journal volume: 91
• Pages of publication: 323 - 330
• a: 10.612 ± 0.001 Å
• b: 10.612 ± 0.001 Å
• c: 6.384 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 718.9 ų
• Number of distinct elements: 5
• Space group number: 115
• Hermann-Mauguin space group symbol: P -4 m 2
• Hall space group symbol: P -4 -2
• Residual factor for all reflections: 0.032
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No