Information card for entry 2003012

Structure parameters

• Formula: K Nb5 O15 Pb2
• Calculated formula: K Nb5 O15 Pb3.1
• Title of publication: Structures des phases paraélectrique et ferroélectrique de Pb~2~KNb~5~O~15~
• Authors of publication: Sciau, Philippe; Calvarin, Gilbert; Ravez, Jean
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 1999
• Journal volume: 55
• Journal issue: 4
• Pages of publication: 459 - 466
• a: 12.646 ± 0.001 Å
• b: 12.646 ± 0.001 Å
• c: 3.9551 ± 0.0002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 632.5 ų
• Cell temperature: 790 K
• Number of distinct elements: 4
• Space group number: 127
• Hermann-Mauguin space group symbol: P 4/m b m
• Hall space group symbol: -P 4 2ab
• Diffraction radiation wavelength: 1.39217 Å
• Diffraction radiation type: CuKβ
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No