Information card for entry 7241845

Structure parameters

• Common name: claudetite I
• Chemical name: arsenic(III) oxide
• Formula: As2 O3
• Calculated formula: As2 O3
• Title of publication: High-pressure and low-temperature structural study of claudetite I, a monoclinic layered As2O3 polymorph
• Authors of publication: Guńka, Piotr A.; Hanfland, Michael; Chen, Yu-Sheng; Zachara, Janusz
• Journal of publication: CrystEngComm
• Year of publication: 2021
• Journal volume: 23
• Journal issue: 3
• Pages of publication: 638 - 644
• a: 5.269 ± 0.0004 Å
• b: 12.82716 ± 0.00016 Å
• c: 4.51254 ± 0.0003 Å
• α: 90°
• β: 94.364 ± 0.004°
• γ: 90°
• Cell volume: 304.1 ± 0.03 ų
• Cell temperature: 293 K
• Ambient diffraction temperature: 293 K
• Cell measurement pressure: 540000 ± 50000 kPa
• Ambient diffracton pressure: 540000 ± 50000 kPa
• Number of distinct elements: 2
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Weighted residual factors for significantly intense reflections: 0.0102
• RFsqd: 0.09325
• Goodness-of-fit parameter for all reflections: 0.299
• Method of determination: powder diffraction
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.41421 Å
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No