Information card for entry 8102917

Structure parameters

• Chemical name: tetrapotassium tetrahedro-tetragermanide
• Formula: Ge4 K4
• Calculated formula: Ge4 K4
• Title of publication: Refinement of the crystal structures of the tetrahedro-tetragermanides K~4~Ge~4~, Rb~4~Ge~4~ and Cs~4~Ge~4~
• Authors of publication: H. G. von Schnering; J. Llanos; J.-H. Chang; K. Peters; E.-M. Peters; R. Nesper
• Journal of publication: Zeitschrift für Kristallographie - New Crystal Structures
• Year of publication: 2005
• Journal volume: 220
• Journal issue: 3
• Pages of publication: 324 - 326
• a: 12.784 ± 0.001 Å
• b: 12.784 ± 0.001 Å
• c: 12.784 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2089.3 ± 0.3 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 2
• Space group number: 218
• Hermann-Mauguin space group symbol: P -4 3 n
• Hall space group symbol: P -4n 2 3
• Residual factor for all reflections: 0.0373
• Residual factor for significantly intense reflections: 0.0341
• Weighted residual factors for significantly intense reflections: 0.0836
• Weighted residual factors for all reflections included in the refinement: 0.0862
• Goodness-of-fit parameter for all reflections included in the refinement: 1.113
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No