Information card for entry 2012919

Structure parameters

• Formula: Ba0.87 Ca0.64 Cu2 Hg0.79 O7.56 Sr1.49 Tl1.21
• Calculated formula: Ba0.87 Ca0.64 Cu2 Hg0.79 O7.56 Sr1.49 Tl1.21
• Title of publication: The superconductor (Tl,Hg,Ca)~2~(Ba,Sr)~2~(Ca,Sr,Tl)Cu~2~O~7.6~
• Authors of publication: Valldor, Martin; Bryntse, Ingrid; Morawski, Andrzej
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2002
• Journal volume: 58
• Journal issue: 9
• Pages of publication: i126 - i128
• a: 3.838 ± 0.0006 Å
• b: 3.838 ± 0.0006 Å
• c: 29.145 ± 0.007 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 429.31 ± 0.14 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 7
• Space group number: 139
• Hermann-Mauguin space group symbol: I 4/m m m
• Hall space group symbol: -I 4 2
• Residual factor for all reflections: 0.0292
• Residual factor for significantly intense reflections: 0.0204
• Weighted residual factors for significantly intense reflections: 0.0202
• Weighted residual factors for all reflections included in the refinement: 0.0208
• Goodness-of-fit parameter for significantly intense reflections: 2.29
• Goodness-of-fit parameter for all reflections included in the refinement: 2.41
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes