Information card for entry 1001449

Structure parameters

• Chemical name: Tetrapotassium octaniobium pentaphosphate
• Formula: K4 Nb8 O34 P5
• Calculated formula: K4 Nb8 O34 P5
• Title of publication: The niobium phosphate bronze K~5-x~Nb~8~P~5~O~34~, a new tunnel structure, 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; Leclaire, A; Raveau, B
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1990
• Journal volume: 87
• Pages of publication: 360 - 365
• a: 13.904 ± 0.006 Å
• b: 6.453 ± 0.003 Å
• c: 20.64 ± 0.01 Å
• α: 90°
• β: 125.05 ± 0.01°
• γ: 90°
• Cell volume: 1516 ų
• Number of distinct elements: 4
• Space group number: 13
• Hermann-Mauguin space group symbol: P 1 2/c 1
• Hall space group symbol: -P 2yc
• Residual factor for all reflections: 0.029
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No