Information card for entry 4030505

Structure parameters

• Formula: Cu K2 Se4 Ta
• Calculated formula: Cu K2 Se4 Ta
• Title of publication: Synthesis of the new one-dimensional quaternary compound K2CuTaSe4 and its structural relationship to other compounds in the K/Cu/M/Q (M = Nb, Ta; Q = S, Se) system
• Authors of publication: Lu, Y.-J.; Wu, P.; Ibers, J. A.
• Journal of publication: European Journal of Solid State and Inorganic Chemistry
• Year of publication: 1993
• Journal volume: 30
• Pages of publication: 101 - 110
• a: 5.735 ± 0.003 Å
• b: 13.481 ± 0.007 Å
• c: 23.941 ± 0.012 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1851 ± 1.6 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: 0.067
• Residual factor R(I) for significantly intense reflections: 0.131
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.7093 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No