Information card for entry 4001819

Structure parameters

• Formula: Al3.72 Fe Mg0.28 Si2 Yb2.77
• Calculated formula: Al3.5 Fe Mg0.5 Si2 Yb2.714
• Title of publication: Competing Phases, Complex Structure, and Complementary Diffraction Studies of R3-δFeAl4-xMgxTt2Intermetallics (R = Y, Dy, Er, Yb; Tt = Si or Ge;x< 0.5)
• Authors of publication: Ma, Xiaowei; Whalen, Jeffrey B.; Cao, Huibo; Latturner, Susan E.
• Journal of publication: Chemistry of Materials
• Year of publication: 2013
• Journal volume: 25
• Journal issue: 16
• Pages of publication: 3363
• a: 13.3479 ± 0.0009 Å
• b: 13.3479 ± 0.0009 Å
• c: 4.0996 ± 0.0003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 730.41 ± 0.09 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 5
• Space group number: 127
• Hermann-Mauguin space group symbol: P 4/m b m
• Hall space group symbol: -P 4 2ab
• Residual factor for all reflections: 0.0182
• Residual factor for significantly intense reflections: 0.0172
• Weighted residual factors for significantly intense reflections: 0.0385
• Weighted residual factors for all reflections included in the refinement: 0.0388
• Goodness-of-fit parameter for all reflections included in the refinement: 1.175
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No