Information card for entry 2017316

Structure parameters

• Chemical name: Barium dierbium tetraselenide
• Formula: Ba Er2 Se4
• Calculated formula: Ba Er2 Se4
• Title of publication: Ba<i>Ln</i>~2~Se~4~ (<i>Ln</i> = Er, Tm and Yb)
• Authors of publication: Bugaris, Daniel E.; Ibers, James A.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2009
• Journal volume: 65
• Journal issue: 9
• Pages of publication: i60 - i62
• a: 12.628 ± 0.003 Å
• b: 4.1398 ± 0.0008 Å
• c: 14.953 ± 0.003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 781.7 ± 0.3 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 3
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Residual factor for all reflections: 0.0268
• Residual factor for significantly intense reflections: 0.0249
• Weighted residual factors for significantly intense reflections: 0.066
• Weighted residual factors for all reflections included in the refinement: 0.0664
• Goodness-of-fit parameter for all reflections included in the refinement: 1.539
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes