Information card for entry 2015110

Structure parameters

• Common name: dipotassium tetrachromate(VI)
• Chemical name: dipotassium tetrachromium(VI) tridecaoxide
• Formula: Cr4 K2 O13
• Calculated formula: Cr4 K2 O13
• SMILES: [K+].[K+].[Cr](=O)(O[Cr](=O)(=O)O[Cr](=O)(=O)O[Cr](=O)(=O)[O-])(=O)[O-]
• Title of publication: Dipotassium tetrachromate(VI), K~2~Cr~4~O~13~
• Authors of publication: Barbara M. Casari; Vratislav Langer
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2005
• Journal volume: 61
• Journal issue: 12
• Pages of publication: i117 - i119
• a: 8.6165 ± 0.0002 Å
• b: 7.4725 ± 0.0001 Å
• c: 9.2811 ± 0.0003 Å
• α: 90°
• β: 92.746 ± 0.002°
• γ: 90°
• Cell volume: 596.89 ± 0.03 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 2 K
• Number of distinct elements: 3
• Space group number: 7
• Hermann-Mauguin space group symbol: P 1 c 1
• Hall space group symbol: P -2yc
• Residual factor for all reflections: 0.0707
• Residual factor for significantly intense reflections: 0.0478
• Weighted residual factors for significantly intense reflections: 0.0929
• Weighted residual factors for all reflections included in the refinement: 0.1052
• Goodness-of-fit parameter for all reflections included in the refinement: 1.008
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes