Information card for entry 2300499

Structure parameters

• Common name: Sodium Potassium Niobate oxide
• Chemical name: Sodium Potassium Niobate oxide
• Formula: K0.5 Na0.5 Nb O3
• Calculated formula: K0.5 Na0.5 Nb O3
• Title of publication: Mode-crystallography analysis of the crystal structures and the low- and high-temperature phase transitions in Na~0.5~K~0.5~NbO~3~
• Authors of publication: Orayech, B.; Faik, A.; López, G. A.; Fabelo, O.; Igartua, J. M.
• Journal of publication: Journal of Applied Crystallography
• Year of publication: 2015
• Journal volume: 48
• Journal issue: 2
• a: 3.9443 ± 0.0003 Å
• b: 5.6425 ± 0.0006 Å
• c: 5.6763 ± 0.0006 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 126.33 ± 0.02 ų
• Cell temperature: 295 K
• Ambient diffraction temperature: 295 K
• Number of distinct elements: 4
• Space group number: 38
• Hermann-Mauguin space group symbol: A m m 2
• Hall space group symbol: A 2 -2
• Residual factor R(I) for significantly intense reflections: 20.2129
• Method of determination: powder diffraction
• Diffraction radiation wavelength: 1.54056 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No