Information card for entry 2226327

Structure parameters

• Common name: Strontium tetraborate
• Chemical name: strontium tetraborate
• Formula: B4 O7 Sr
• Calculated formula: B4 O7 Sr
• Title of publication: The trigonal polymorph of strontium tetraborate, β-SrB~4~O~7~
• Authors of publication: Vasiliev, Alexander D.; Cherepakhin, Alexander V.; Zaitsev, Alexander I.
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2010
• Journal volume: 66
• Journal issue: 6
• Pages of publication: i48
• a: 17.145 ± 0.001 Å
• b: 17.145 ± 0.001 Å
• c: 4.2527 ± 0.0005 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1082.61 ± 0.16 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 3
• Space group number: 143
• Hermann-Mauguin space group symbol: P 3
• Hall space group symbol: P 3
• Residual factor for all reflections: 0.0399
• Residual factor for significantly intense reflections: 0.0304
• Weighted residual factors for significantly intense reflections: 0.0606
• Weighted residual factors for all reflections included in the refinement: 0.064
• Goodness-of-fit parameter for all reflections included in the refinement: 0.849
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes