Information card for entry 2015882

Structure parameters

• Chemical name: Copper(I,II) pentachromium(III) germanate
• Formula: Cr4.56 Cu1.44 Ge2 O12
• Calculated formula: Cr4.559 Cu1.441 Ge2 O12
• Title of publication: Cu(Cu~0.44~Cr~4.56~)Ge~2~O~12~: a close-packed oxide with CuO~4~ tetrahedra
• 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: 4
• Pages of publication: i21 - i24
• a: 17.176 ± 0.002 Å
• b: 8.2272 ± 0.001 Å
• c: 5.8996 ± 0.0007 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 833.67 ± 0.17 ų
• Cell temperature: 295 ± 2 K
• Number of distinct elements: 4
• Space group number: 63
• Hermann-Mauguin space group symbol: C m c m
• Hall space group symbol: -C 2c 2
• Residual factor for significantly intense reflections: 0.0238
• Weighted residual factors for all reflections included in the refinement: 0.0526
• Goodness-of-fit parameter for all reflections included in the refinement: 1.041
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes