Information card for entry 7226255

Structure parameters

• Formula: Ga2.4 K2.4 Se8 Si1.6
• Calculated formula: Ga2.32 K2.4 Se8 Si1.6
• Title of publication: Synthesis, structure, and optical properties of K2.4Ga2.4M1.6Q8(M = Si, Ge; Q = S, Se) crystals and glasses
• Authors of publication: He, Jianqiao; Zhang, Xian; Guo, Pan; Cheng, Ye; Zheng, Chong; Huang, Fuqiang
• Journal of publication: RSC Adv.
• Year of publication: 2016
• Journal volume: 6
• Journal issue: 80
• Pages of publication: 76789
• a: 8.1999 ± 0.0004 Å
• b: 8.1999 ± 0.0004 Å
• c: 6.146 ± 0.0007 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 413.25 ± 0.06 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 140
• Hermann-Mauguin space group symbol: I 4/m c m
• Hall space group symbol: -I 4 2c
• Residual factor for all reflections: 0.0526
• Residual factor for significantly intense reflections: 0.0501
• Weighted residual factors for significantly intense reflections: 0.1326
• Weighted residual factors for all reflections included in the refinement: 0.1364
• Goodness-of-fit parameter for all reflections included in the refinement: 1.145
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No