Information card for entry 2104122

Structure parameters

• Common name: Chromium Oxide
• Formula: Cr2 O3
• Calculated formula: Cr6 O9
• SMILES: [Cr+3].[Cr+3].[O-2].[O-2].[O-2]
• Title of publication: Structural analysis of perovskite LaCr~1{-~<i>x</i>}Ni~<i>x~</i>O~3~ by Rietveld refinement of X-ray powder diffraction data
• Authors of publication: Yang, J.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2008
• Journal volume: 64
• Journal issue: 3
• Pages of publication: 281 - 286
• a: 4.958 ± 0.001 Å
• b: 4.958 ± 0.001 Å
• c: 13.59 ± 0.03 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 289.3 ± 0.6 ų
• Cell temperature: 298 K
• Ambient diffraction temperature: 298 K
• Number of distinct elements: 2
• Space group number: 167
• Hermann-Mauguin space group symbol: R -3 c
• Hall space group symbol: -R 3 2"c
• Goodness-of-fit parameter for all reflections: 0.0182
• Diffraction radiation wavelength: 1.54176 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No