Information card for entry 2005594

Structure parameters

• Common name: Dipotassium diberyllium trisilicate
• Formula: Be2 K2 O9 Si3
• Calculated formula: Be2 K2 O9 Si3
• SMILES: [K+].[K+].[Be+2].[Be+2].[Si]1([O-])(O[Si]([O-])(O[Si](O1)([O-])[O-])[O-])[O-]
• Title of publication: K~2~Be~2~Si~3~O~9~, a Potassium Beryllium Silicate Framework Built from Edge-Sharing Be‒O Tetrahedra and Three-Ring Silicate Tetrahedra
• Authors of publication: Bu, X.; Gier, T. E.; Stucky, G. D.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1996
• Journal volume: 52
• Journal issue: 11
• Pages of publication: 2662 - 2664
• a: 10.259 ± 0.006 Å
• b: 6.94 ± 0.004 Å
• c: 12.175 ± 0.007 Å
• α: 90°
• β: 106.764 ± 0.007°
• γ: 90°
• Cell volume: 830 ± 0.8 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0361
• Residual factor for significantly intense reflections: 0.0329
• Weighted residual factors for all reflections: 0.099
• Weighted residual factors for significantly intense reflections: 0.0973
• Goodness-of-fit parameter for all reflections: 1.206
• Goodness-of-fit parameter for significantly intense reflections: 1.239
• Diffraction radiation wavelength: 0.7093 Å
• Diffraction radiation type: MolybdenumKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No