Information card for entry 2100515

Structure parameters

• Formula: Cr O6 Sr2 Ta
• Calculated formula: Cr1.01 O6 Sr2 Ta1.01
• Title of publication: Structure determination of <i>A</i>~2~<i>M</i>^3+^TaO~6~ and <i>A</i>~2~<i>M</i>^3+^NbO~6~ ordered perovskites: octahedral tilting and pseudosymmetry
• Authors of publication: Barnes, Paris W.; Lufaso, Michael W.; Woodward, Patrick M.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2006
• Journal volume: 62
• Journal issue: 3
• Pages of publication: 384 - 396
• a: 5.57516 ± 0.00018 Å
• b: 5.57516 Å
• c: 7.8808 ± 0.0005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 244.954 ± 0.017 ų
• Cell temperature: 298 K
• Ambient diffraction temperature: 298 K
• Number of distinct elements: 4
• Space group number: 87
• Hermann-Mauguin space group symbol: I 4/m
• Hall space group symbol: -I 4
• Goodness-of-fit parameter for all reflections: 1.61
• Diffraction radiation probe: neutron
• Diffraction radiation wavelength: 1.8857 Å
• Diffraction radiation type: neutron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No