Information card for entry 1008828

Structure parameters

• Chemical name: dilead(II) diiron(III) digermanium(IV) oxide
• Formula: Fe1.78 Ge2.11 Mg0.11 O9 Pb2
• Calculated formula: Fe1.786 Ge2.107 Mg0.107 O9 Pb2
• Title of publication: Pb~2~Fe~2~Ge~2~O~9~, the Germanate Analogue of the Silicate Mineral Melanotekite
• Authors of publication: Barbier, J; Levy, D
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1998
• Journal volume: 54
• Journal issue: 1
• Pages of publication: 2 - 5
• a: 7.1486 ± 0.0014 Å
• b: 11.163 ± 0.002 Å
• c: 10.145 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 809.6 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 60
• Hermann-Mauguin space group symbol: P b c n
• Hall space group symbol: -P 2n 2ab
• Residual factor for all reflections: 0.032
• Residual factor for significantly intense reflections: 0.0317
• Weighted residual factors for all reflections included in the refinement: 0.0633
• Goodness-of-fit parameter for significantly intense reflections: 0.926
• Goodness-of-fit parameter for all reflections included in the refinement: 0.868
• Diffraction radiation wavelength: 0.56086 Å
• Diffraction radiation type: AgKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No