Information card for entry 4340644

Structure parameters

• Formula: Ag Nb7 O18
• Calculated formula: Ag1.016 Nb7 O18
• Title of publication: AgNb7O18: An Ergodic Relaxor Ferroelectric.
• Authors of publication: Woodward, David I.; Beanland, Richard
• Journal of publication: Inorganic chemistry
• Year of publication: 2014
• Journal volume: 53
• Journal issue: 17
• Pages of publication: 8941 - 8948
• a: 14.3316 ± 0.00015 Å
• b: 26.15085 ± 0.00031 Å
• c: 3.83623 ± 0.00003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1437.76 ± 0.03 ų
• Cell temperature: 298 K
• Ambient diffraction temperature: 298 K
• Number of distinct elements: 3
• Space group number: 44
• Hermann-Mauguin space group symbol: I m 2 m
• Hall space group symbol: I -2 -2
• Residual factor for all reflections: 0.04848
• Goodness-of-fit parameter for all reflections: 1.196
• Method of determination: powder diffraction
• Diffraction radiation wavelength: 1.5406 Å
• Diffraction radiation type: CuKα~1~
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No