Information card for entry 1008756

Structure parameters

• Chemical name: Chromium oxide hydroxide - β
• Mineral name: Guyanaite
• Formula: Cr H O2
• Calculated formula: Cr H O2
• Title of publication: Etude par diffraction neutronique de l'oxyhydroxyde de chrome β-CrOOH
• Authors of publication: Pernet, M.; Berthet-Colominas, C.; Alario-Franco, M. A.; Christensen, A. N.
• Journal of publication: Physica Status Solidi A: Applications and Materials Science
• Year of publication: 1977
• Journal volume: 43
• Journal issue: 1
• Pages of publication: 81 - 88
• a: 4.858 Å
• b: 4.292 Å
• c: 2.955 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 61.6 ų
• Number of distinct elements: 3
• Space group number: 31
• Hermann-Mauguin space group symbol: P 21 n m
• Hall space group symbol: P -2 2ac
• Residual factor for all reflections: 0.078
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No