Information card for entry 2208889

Structure parameters

• Chemical name: tetracobalt diniobium nonaoxide
• Formula: Co4 Nb2 O9
• Calculated formula: Co4 Nb2 O9
• Title of publication: Redetermination of Co~4~Nb~2~O~9~ by single-crystal X-ray methods
• Authors of publication: Castellanos R., María A.; Bernès, Sylvain; Vega-González, Marina
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2006
• Journal volume: 62
• Journal issue: 5
• Pages of publication: i117 - i119
• a: 5.1736 ± 0.0003 Å
• b: 5.1736 ± 0.0003 Å
• c: 14.1457 ± 0.0011 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 327.9 ± 0.04 ų
• Cell temperature: 297 ± 1 K
• Ambient diffraction temperature: 297 ± 1 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: 0.0374
• Residual factor for significantly intense reflections: 0.0309
• Weighted residual factors for significantly intense reflections: 0.0762
• Weighted residual factors for all reflections included in the refinement: 0.0794
• Goodness-of-fit parameter for all reflections included in the refinement: 1.284
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes