Information card for entry 2312757

Structure parameters

• Chemical name: Dirubidium dicalcium pyrosilicate
• Formula: Ca2 O7 Rb2 Si2
• Calculated formula: Ca2 O7 Rb2 Si2
• Title of publication: Rb₂Ca₂Si₂O₇: a new alkali alkaline-earth silicate based on [Si₂O₇]^6- anions.
• Authors of publication: Kahlenberg, Volker
• Journal of publication: Acta crystallographica. Section C, Structural chemistry
• Year of publication: 2025
• Journal volume: 81
• Journal issue: Pt 3
• Pages of publication: 146 - 155
• a: 5.7363 ± 0.0006 Å
• b: 13.8532 ± 0.0012 Å
• c: 9.933 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 789.34 ± 0.13 ų
• Cell temperature: 288 ± 2 K
• Ambient diffraction temperature: 288 ± 2 K
• Number of distinct elements: 4
• Space group number: 59
• Hermann-Mauguin space group symbol: P m m n :2
• Hall space group symbol: -P 2ab 2a
• Residual factor for all reflections: 0.0395
• Residual factor for significantly intense reflections: 0.0299
• Weighted residual factors for significantly intense reflections: 0.0717
• Weighted residual factors for all reflections included in the refinement: 0.0761
• Goodness-of-fit parameter for all reflections included in the refinement: 1.057
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No