Information card for entry 7704166

Structure parameters

• Formula: Al9 Ca2 Ir3
• Calculated formula: Al9 Ca2 Ir3
• Title of publication: On the formation of the Gd₃Ru₄Al₁₂versus the Y₂Co₃Ga₉ type structure - M₃Rh₄Al₁₂ (M = Ca, Eu) versus M₂T₃Al₉ (M = Ca, Sr, Eu, Yb; T = Ir, Pt).
• Authors of publication: Stegemann, Frank; Zhang, Yuemei; Fokwa, Boniface P. T.; Janka, Oliver
• Journal of publication: Dalton transactions (Cambridge, England : 2003)
• Year of publication: 2020
• Journal volume: 49
• Journal issue: 19
• Pages of publication: 6398 - 6406
• a: 12.955 ± 0.0003 Å
• b: 7.5834 ± 0.0005 Å
• c: 9.6175 ± 0.0004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 944.85 ± 0.08 ų
• Cell temperature: 293 K
• Ambient diffraction temperature: 293 K
• Number of distinct elements: 3
• Space group number: 63
• Hermann-Mauguin space group symbol: C m c m
• Hall space group symbol: -C 2c 2
• Residual factor for all reflections: 0.0508
• Residual factor for significantly intense reflections: 0.0214
• Weighted residual factors for significantly intense reflections: 0.0458
• Weighted residual factors for all reflections included in the refinement: 0.0496
• Goodness-of-fit parameter for significantly intense reflections: 1.45
• Goodness-of-fit parameter for all reflections included in the refinement: 1.11
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No