Information card for entry 4116353

Structure parameters

• Common name: clathrate_II_type
• Formula: Cs Ge17 Na2
• Calculated formula: Cs Ge17 Na2
• 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: 15.4805 ± 0.0006 Å
• b: 15.4805 ± 0.0006 Å
• c: 15.4805 ± 0.0006 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3709.8 ± 0.2 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: 0.0924
• Residual factor for significantly intense reflections: 0.0431
• Weighted residual factors for all reflections: 0.0981
• Weighted residual factors for significantly intense reflections: 0.083
• Goodness-of-fit parameter for all reflections: 1.033
• Goodness-of-fit parameter for significantly intense reflections: 1.113
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No