Information card for entry 4334195

Structure parameters

• Common name: Potassium zinc silicon arsenide (1/1.5/0.5/2)
• Chemical name: Potassium zinc silicon arsenide (1/1.5/0.5/2)
• Formula: As2 K Si0.53 Zn1.47
• Calculated formula: As2 K Si0.528 Zn1.472
• Title of publication: Quaternary Arsenides AM1.5Tt0.5As2 (A= Na, K, Rb; M= Zn, Cd; Tt= Si, Ge, Sn): Size Effects in CaAl2Si2- and ThCr2Si2-Type Structures
• Authors of publication: Mansura Khatun; Stanislav S. Stoyko; Arthur Mar
• Journal of publication: Inorganic Chemistry
• Year of publication: 2013
• Journal volume: 52
• Pages of publication: 3148 - 3158
• a: 4.0613 ± 0.001 Å
• b: 4.0613 ± 0.001 Å
• c: 14.258 ± 0.003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 235.17 ± 0.1 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 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: 0.0195
• Residual factor for significantly intense reflections: 0.015
• Weighted residual factors for significantly intense reflections: 0.0313
• Weighted residual factors for all reflections included in the refinement: 0.0337
• Goodness-of-fit parameter for all reflections included in the refinement: 1.183
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No