Information card for entry 2104828

Structure parameters

• Common name: potassium acidic niobate hydrate
• Chemical name: potassium hydrogen niobate hydroxide hydrate
• Formula: H17.14 K3.52 Nb8 O30.32
• Calculated formula: H17.136 K3.52 Nb8 O30.32
• Title of publication: Structure and electrical properties of the new pyrochlore-type protonic solid electrolyte K~0.88~Nb~2~O~7.58~H~4.28~
• Authors of publication: Smirnova, O.; Kumada, N.; Takei, T.; Yonesaki, Y.; Yashima, M.; Kinomura, N.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2010
• Journal volume: 66
• Journal issue: 6
• Pages of publication: 594 - 602
• a: 10.6554 ± 0.0002 Å
• b: 10.6554 ± 0.0002 Å
• c: 10.6554 ± 0.0002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1209.79 ± 0.04 ų
• Cell temperature: 300 K
• Ambient diffraction temperature: 300 K
• Number of distinct elements: 4
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :1
• Hall space group symbol: F 4d 2 3 -1d
• RFsqd: 6.17
• Goodness-of-fit parameter for all reflections: 1.48
• Method of determination: powder diffraction
• Diffraction radiation probe: neutron
• Diffraction radiation wavelength: 1.8265 Å
• Diffraction radiation type: neutron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No