Information card for entry 4030902

Structure parameters

• Formula: Cu Nb Rb2 Se4
• Calculated formula: Cu Nb Rb2 Se4
• Title of publication: Synthesis, crystal structures and optical properties of new quaternary chalcogenides of Va metals : Rb2CuVS4, K2CuVSe4, Rb2CuNbSe4, Cs2CuNbSe4 and Rb2CuNbS4
• Authors of publication: Rumpf, C.; Tillinski, R.; Nather, C.; Durichen, P.; Jeb, I.; Bensch, W.
• Journal of publication: European Journal of Solid State and Inorganic Chemistry
• Year of publication: 1997
• Journal volume: 34
• Pages of publication: 1187 - 1198
• a: 5.7796 ± 0.0003 Å
• b: 13.887 ± 0.002 Å
• c: 24.609 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1975.2 ± 0.3 ų
• Ambient diffraction temperature: 293 K
• Number of distinct elements: 4
• Space group number: 70
• Hermann-Mauguin space group symbol: F d d d :2
• Hall space group symbol: -F 2uv 2vw
• Residual factor for significantly intense reflections: 0.0194
• Weighted residual factors for significantly intense reflections: 0.0399
• Goodness-of-fit parameter for all reflections included in the refinement: 1.005
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No