Information card for entry 2212176

Structure parameters

• Common name: eakerite
• Chemical name: dicalcium tin dialuminosilicate dihydroxide dihydrate
• Formula: Al2 Ca2 H6 O22 Si6 Sn
• Calculated formula: Al2 Ca2 H6 O22 Si6 Sn
• Title of publication: Reinvestigation of eakerite, Ca~2~SnAl~2~Si~6~O~18~(OH)~2~·2H~2~O: H-atom positions by single-crystal X-ray diffraction and correlation with Raman spectroscopic data
• Authors of publication: Uchida, Hinako; Downs, Robert T.; Thompson, Richard M.
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2007
• Journal volume: 63
• Journal issue: 2
• Pages of publication: i47 - i49
• a: 15.8202 ± 0.0005 Å
• b: 7.6963 ± 0.0003 Å
• c: 7.4449 ± 0.0003 Å
• α: 90°
• β: 101.293 ± 0.002°
• γ: 90°
• Cell volume: 888.92 ± 0.06 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 295 ± 2 K
• Number of distinct elements: 6
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Residual factor for all reflections: 0.0358
• Residual factor for significantly intense reflections: 0.0267
• Weighted residual factors for significantly intense reflections: 0.0625
• Weighted residual factors for all reflections included in the refinement: 0.0656
• Goodness-of-fit parameter for all reflections included in the refinement: 1.05
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No