Information card for entry 8101600

Structure parameters

• Formula: Ge1.3 Si1.7 Sr5
• Calculated formula: Ge1.299 Si1.701 Sr5
• Title of publication: Crystal structure of two pentastrontium trisilicidogermanides, Sr~5~Si~1.7~Ge~1.3~ and Sr~5~Si~2.87~Ge~0.13~
• Authors of publication: Zürcher, Fabio; Nesper, Reinhard
• Journal of publication: Zeitschrift für Kristallographie - New Crystal Structures
• Year of publication: 1999
• Journal volume: 214
• Journal issue: 4
• Pages of publication: 413 - 414
• a: 8.107 ± 0.006 Å
• b: 8.107 ± 0.006 Å
• c: 15.8 ± 0.01 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1038 ± 1 ų
• Cell temperature: 298 ± 2 K
• Ambient diffraction temperature: 298 ± 2 K
• Number of distinct elements: 3
• Space group number: 140
• Hermann-Mauguin space group symbol: I 4/m c m
• Hall space group symbol: -I 4 2c
• Residual factor for significantly intense reflections: 0.0263
• Weighted residual factors for significantly intense reflections: 0.0593
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No