Information card for entry 2016027

Structure parameters

• Chemical name: dicalcium heptagermanate
• Formula: Ca2 Ge7 O16
• Calculated formula: Ca2 Ge7 O16
• Title of publication: Dicalcium heptagermanate Ca~2~Ge~7~O~16~ revised
• Authors of publication: Redhammer, Günther J.; Roth, Georg; Amthauer, Georg
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2007
• Journal volume: 63
• Journal issue: 7
• Pages of publication: i47 - i50
• a: 11.3391 ± 0.0006 Å
• b: 11.3391 ± 0.0006 Å
• c: 4.6371 ± 0.0002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 596.22 ± 0.05 ų
• Cell temperature: 295 ± 2 K
• Number of distinct elements: 3
• Space group number: 117
• Hermann-Mauguin space group symbol: P -4 b 2
• Hall space group symbol: P -4 -2ab
• Residual factor for significantly intense reflections: 0.0227
• Weighted residual factors for all reflections included in the refinement: 0.0568
• Goodness-of-fit parameter for all reflections included in the refinement: 1.148
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes