Information card for entry 4123007

Structure parameters

• Common name: Barium Potassium Iron Arsenide
• Formula: As2 Ba0.52 Fe2 K0.48
• Calculated formula: As2 Ba0.523 Fe2 K0.477
• Title of publication: Facile Synthesis of Ba1-xKxFe2As2 Superconductors via Hydride Route.
• Authors of publication: Zaikina, Julia V.; Batuk, Maria; Abakumov, Artem M.; Navrotsky, Alexandra; Kauzlarich, Susan M.
• Journal of publication: Journal of the American Chemical Society
• Year of publication: 2014
• Pages of publication: 141121132150009
• a: 3.90675 ± 0.0001 Å
• b: 3.90675 ± 0.0001 Å
• c: 13.37425 ± 0.0001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 204.127 ± 0.008 ų
• Cell temperature: 293 K
• Ambient diffraction temperature: 293 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: 0.0708
• Residual factor for significantly intense reflections: 0.0634
• Weighted residual factors for significantly intense reflections: 0.0425
• Weighted residual factors for all reflections included in the refinement: 0.0426
• Goodness-of-fit parameter for all reflections: 2.6
• Method of determination: powder diffraction
• Diffraction radiation wavelength: 0.41383 Å
• Diffraction radiation type: synchrotron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No