Information card for entry 4335280

Structure parameters

• Common name: praseodymium zinc arsenide (7/1.8/8)
• Chemical name: praseodymium zinc arsenide (7/1.8/8)
• Formula: As8 Pr7 Zn1.8
• Calculated formula: As8 Pr7 Zn1.758
• Title of publication: Homologous Series of Rare-Earth Zinc Arsenides REZn2-xAs2.n(REAs) (RE= La-Nd, Sm;n= 3, 4, 5, 6)
• Authors of publication: Xinsong Lin; Arthur Mar
• Journal of publication: Inorganic Chemistry
• Year of publication: 2013
• Journal volume: 52
• Pages of publication: 7261 - 7270
• a: 4.254 ± 0.007 Å
• b: 4.254 ± 0.007 Å
• c: 27.82 ± 0.05 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 436 ± 1.3 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 3
• Space group number: 164
• Hermann-Mauguin space group symbol: P -3 m 1
• Hall space group symbol: -P 3 2"
• Residual factor for all reflections: 0.078
• Residual factor for significantly intense reflections: 0.038
• Weighted residual factors for significantly intense reflections: 0.0922
• Weighted residual factors for all reflections included in the refinement: 0.1093
• Goodness-of-fit parameter for all reflections included in the refinement: 1.043
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No