Information card for entry 4117646

Structure parameters

• Formula: Au3 Ge Sr
• Calculated formula: Au3 Ge Sr
• Title of publication: Formation of Nets of Corner-Shared Bicapped Gold Squares in SrAu3Ge: How a BaAl4- Type Derivative Reconciles Fewer Valence Electrons and the Origin of Its Uniaxial Negative Thermal Expansion
• Authors of publication: Qisheng Lin; John D Corbett
• Journal of publication: Journal of the American Chemical Society
• Year of publication: 2012
• Journal volume: 134
• Pages of publication: 4877 - 4884
• a: 6.2638 ± 0.001 Å
• b: 6.2638 ± 0.001 Å
• c: 5.5082 ± 0.0009 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 216.12 ± 0.06 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 2 K
• Number of distinct elements: 3
• Space group number: 129
• Hermann-Mauguin space group symbol: P 4/n m m :2
• Hall space group symbol: -P 4a 2a
• Residual factor for all reflections: 0.0284
• Residual factor for significantly intense reflections: 0.0223
• Weighted residual factors for significantly intense reflections: 0.0499
• Weighted residual factors for all reflections included in the refinement: 0.0511
• Goodness-of-fit parameter for all reflections included in the refinement: 1.223
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No