Information card for entry 1561726

Structure parameters

• Common name: lanthanum silver zinc arsenide (1/0.5/0.5/2)
• Chemical name: lanthanum silver zinc arsenide (1/0.5/0.5/2)
• Formula: Ag0.5 As2 La Zn0.5
• Calculated formula: Ag0.5 As2 La Zn0.5
• Title of publication: Quaternary rare-earth arsenides REAg1−Zn As2 (RE=La‒Nd, Sm, Gd‒Dy) with tetragonal SrZnBi2- and HfCuSi2-type structures
• Authors of publication: Ramachandran, Krishna K.; Genet, Clément; Mar, Arthur
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 2015
• Journal volume: 231
• Pages of publication: 204 - 211
• a: 4.13 ± 0.0002 Å
• b: 4.13 ± 0.0002 Å
• c: 20.816 ± 0.0011 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 355.06 ± 0.03 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 4
• Space group number: 139
• Hermann-Mauguin space group symbol: I 4/m m m
• Hall space group symbol: -I 4 2
• Residual factor for all reflections: 0.0136
• Residual factor for significantly intense reflections: 0.0134
• Weighted residual factors for significantly intense reflections: 0.0306
• Weighted residual factors for all reflections included in the refinement: 0.0307
• Goodness-of-fit parameter for all reflections included in the refinement: 1.144
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No