Information card for entry 1562595

Structure parameters

• Common name: Cu2MgSiSe4
• Formula: Cu2 Mg Se4 Si
• Calculated formula: Cu2 Mg Se4 Si
• Title of publication: Synthesis, structure, and optical properties of the quaternary diamond-like compounds I2‒II‒IV‒VI4 (I=Cu; II=Mg; IV=Si, Ge; VI=S, Se)
• Authors of publication: Liu, Bin-Wen; Zhang, Ming-Jian; Zhao, Zhong-Yan; Zeng, Hui-Yi; Zheng, Fa-Kun; Guo, Guo-Cong; Huang, Jin-Shun
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 2013
• Journal volume: 204
• Pages of publication: 251 - 256
• a: 7.953 ± 0.005 Å
• b: 6.797 ± 0.004 Å
• c: 6.507 ± 0.004 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 351.7 ± 0.4 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 31
• Hermann-Mauguin space group symbol: P m n 21
• Hall space group symbol: P 2ac -2
• Residual factor for all reflections: 0.0368
• Residual factor for significantly intense reflections: 0.031
• Weighted residual factors for significantly intense reflections: 0.0653
• Weighted residual factors for all reflections included in the refinement: 0.0665
• Goodness-of-fit parameter for all reflections included in the refinement: 1.019
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No