Information card for entry 4513288

Structure parameters

• Formula: As12 O18
• Calculated formula: As12 O18
• Title of publication: Cascade of High-Pressure Transitions of Claudetite II and the First Polar Phase of Arsenic(III) Oxide
• Authors of publication: Guńka, Piotr A.; Dranka, Maciej; Hanfland, Michael; Dziubek, Kamil F.; Katrusiak, Andrzej; Zachara, Janusz
• Journal of publication: Crystal Growth & Design
• Year of publication: 2015
• Journal volume: 15
• Journal issue: 8
• Pages of publication: 3950
• a: 12.599 ± 0.011 Å
• b: 12.9232 ± 0.0007 Å
• c: 16.142 ± 0.018 Å
• α: 90°
• β: 144.1 ± 0.2°
• γ: 90°
• Cell volume: 1541 ± 8 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Cell measurement pressure: 8510000 ± 110000 kPa
• Ambient diffracton pressure: 8510000 ± 110000 kPa
• Number of distinct elements: 2
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Residual factor for all reflections: 0.2006
• Residual factor for significantly intense reflections: 0.1488
• Weighted residual factors for significantly intense reflections: 0.391
• Weighted residual factors for all reflections included in the refinement: 0.4672
• Goodness-of-fit parameter for all reflections included in the refinement: 1.277
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.41427 Å
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No