Information card for entry 2019132

Structure parameters

• Common name: sodium tetragermanate
• Chemical name: Disodium tetragermanate
• Formula: Ge4 Na2 O9
• Calculated formula: Ge4 Na2 O9
• Title of publication: The tetragermanates <i>A</i>~2~Ge~4~O~9~ (<i>A</i> = Na, K and Rb)
• Authors of publication: Redhammer, Günther J.; Tippelt, Gerold
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2013
• Journal volume: 69
• Journal issue: 9
• Pages of publication: 995 - 1001
• a: 11.3216 ± 0.001 Å
• b: 11.3216 ± 0.0017 Å
• c: 9.6946 ± 0.0018 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1076.2 ± 0.3 ų
• Cell temperature: 295 ± 2 K
• Ambient diffraction temperature: 295 ± 2 K
• Number of distinct elements: 3
• Space group number: 165
• Hermann-Mauguin space group symbol: P -3 c 1
• Hall space group symbol: -P 3 2"c
• Residual factor for all reflections: 0.0316
• Residual factor for significantly intense reflections: 0.028
• Weighted residual factors for all reflections included in the refinement: 0.0549
• Goodness-of-fit parameter for all reflections included in the refinement: 1.209
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes