Information card for entry 2104830

Structure parameters

• Formula: K0.72 Nb O3.5
• Calculated formula: K2.88 Nb4 O14
• 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: 10.645 ± 0.004 Å
• b: 10.645 ± 0.004 Å
• c: 10.645 ± 0.004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1206.2 ± 0.8 ų
• Cell temperature: 298.1 K
• Number of distinct elements: 3
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :2
• Hall space group symbol: -F 4vw 2vw 3
• Residual factor for significantly intense reflections: 0.042
• Weighted residual factors for all reflections included in the refinement: 0.058
• Goodness-of-fit parameter for all reflections included in the refinement: 1.763
• Diffraction radiation wavelength: 0.7107 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No