Information card for entry 7044392

Structure parameters

• Common name: Sigma Phase
• Chemical name: Nb20Ir4Ga6
• Formula: Ga1.5 Ir Nb5
• Calculated formula: Ga1.5 Ir Nb5
• Title of publication: New σ-Phases in the Nb-X-Ga and Nb-X-Al Systems (X = Ru, Rh, Pd, Ir, Pt, and Au)
• Authors of publication: Carnicom, Elizabeth M.; Xie, Weiwei; Klimczuk, Tomasz; Cava, Robert J.
• Journal of publication: Dalton Trans.
• Year of publication: 2017
• a: 9.8366 ± 0.0014 Å
• b: 9.8366 ± 0.0014 Å
• c: 5.1124 ± 0.0007 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 494.67 ± 0.12 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 3
• Space group number: 136
• Hermann-Mauguin space group symbol: P 42/m n m
• Hall space group symbol: -P 4n 2n
• Residual factor for all reflections: 0.0723
• Residual factor for significantly intense reflections: 0.0367
• Weighted residual factors for significantly intense reflections: 0.0423
• Weighted residual factors for all reflections included in the refinement: 0.0465
• Goodness-of-fit parameter for all reflections included in the refinement: 1.083
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No