Information card for entry 2101576

Structure parameters

• Formula: Ba Cu Fe O5 Y
• Calculated formula: Ba Cu2 O5 Y
• Title of publication: New ferroelectric inorganic materials predicted in point group 4<i>mm</i>
• Authors of publication: Abrahams, S. C.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 1996
• Journal volume: 52
• Journal issue: 5
• Pages of publication: 790 - 805
• a: 3.865 ± 0.001 Å
• b: 3.865 ± 0.001 Å
• c: 7.6425 ± 0.0008 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 114.17 ± 0.04 ų
• Number of distinct elements: 5
• Space group number: 99
• Hermann-Mauguin space group symbol: P 4 m m
• Hall space group symbol: P 4 -2
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No