Information card for entry 8103037

Structure parameters

• Common name: Samarium-Strontium-Calcium orthoaluminotantalate
• Chemical name: Guanidinium tetrabromomercurate(II)
• Formula: Al2.9 Ca0.45 O12 Sm1.59 Sr2 Ta1.1
• Calculated formula: Al2.898 Ca0.454 O12 Sm1.592 Sr1.998 Ta1.102
• Title of publication: Crystal structure of samarium-strontium-calcium orthoaluminotantalate, (Sm0.40Sr0.50Ca0.10)(Al0.70Ta0.30)O3
• Authors of publication: Thorsten M. Gesing; Reinhard Uecker; Wei Zheng; J.-Christian Buhl
• Journal of publication: Zeitschrift für Kristallographie - New Crystal Structures
• Year of publication: 2010
• Journal volume: 225
• Journal issue: 1
• Pages of publication: 5
• a: 5.4174 ± 0.0008 Å
• b: 5.4174 ± 0.0008 Å
• c: 7.6426 ± 0.0015 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 224.3 ± 0.06 ų
• Cell temperature: 298 K
• Ambient diffraction temperature: 298 K
• Number of distinct elements: 6
• Space group number: 82
• Hermann-Mauguin space group symbol: I -4
• Hall space group symbol: I -4
• Residual factor for all reflections: 0.0536
• Residual factor for significantly intense reflections: 0.0392
• Weighted residual factors for all reflections: 0.1387
• Weighted residual factors for significantly intense reflections: 0.1258
• Goodness-of-fit parameter for all reflections: 1.076
• Goodness-of-fit parameter for all reflections included in the refinement: 1.171
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No