Information card for entry 4116354

Structure parameters

• Common name: clathrate_II_type
• Formula: Cs Na2 Si17
• Calculated formula: Cs Na2 Si17
• Title of publication: Synthesis and Characterization of Stable Stoichiometric Clathrates of Silicon and Germanium: Cs8Na16Si136 and Cs8Na16Ge136
• Authors of publication: Svilen Bobev; Slavi C. Sevov
• Journal of publication: Journal of the American Chemical Society
• Year of publication: 1999
• Journal volume: 121
• Pages of publication: 3795 - 3796
• a: 14.738 ± 0.002 Å
• b: 14.738 ± 0.002 Å
• c: 14.738 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3201.2 ± 0.8 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :2
• Hall space group symbol: -F 4vw 2vw 3
• Residual factor for all reflections: 0.031
• Residual factor for significantly intense reflections: 0.0207
• Weighted residual factors for all reflections: 0.0501
• Weighted residual factors for significantly intense reflections: 0.0455
• Goodness-of-fit parameter for all reflections: 1.142
• Goodness-of-fit parameter for significantly intense reflections: 1.152
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No