Information card for entry 8101611

Structure parameters

• Formula: Ca1.81 Si3 Sr3.19
• Calculated formula: Ca1.794 Si3 Sr3.206
• Title of publication: Crystal structure of five penta(strontium, calcium) trisilicides, Sr~4.62~Ca~0.38~Si~3~, Sr~4.52~Ca~0.48~Si~3~, Sr~3.19~Ca~1.81~Si~3~, Sr~2.12~Ca~2.88~Si~3~, and Sr~0.52~Ca~4.48~Si~3~
• 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: 423 - 426
• a: 7.885 ± 0.006 Å
• b: 7.885 ± 0.006 Å
• c: 15.52 ± 0.01 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 965 ± 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: 0.021
• Weighted residual factors for significantly intense reflections: 0.0395
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No