Information card for entry 2103645

Structure parameters

• Formula: Be3 F12 K2 Mn2
• Calculated formula: Be3 F12 K2 Mn2
• Title of publication: X-ray diffraction study of the phase transition of K~2~Mn~2~(BeF~4~)~3~: a new type of low-temperature structure for langbeinites
• Authors of publication: Guelylah, A.; Madariaga, G.; Petricek, V.; Breczewski, T.; Aroyo, M. I.; Bocanegra, E. H.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2001
• Journal volume: 57
• Journal issue: 3
• Pages of publication: 221 - 230
• a: 10.069 ± 0.0008 Å
• b: 20.136 ± 0.002 Å
• c: 10.0329 ± 0.0004 Å
• α: 90°
• β: 90°
• γ: 90.01 ± 0.01°
• Cell volume: 2034.2 ± 0.3 ų
• Cell temperature: 177 K
• Number of distinct elements: 4
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 1 21
• Hall space group symbol: P 2c
• Residual factor for all reflections: 0.119
• Residual factor for significantly intense reflections: 0.064
• Weighted residual factors for all reflections: 0.056
• Weighted residual factors for all reflections included in the refinement: 0.055
• Goodness-of-fit parameter for all reflections: 3.26
• Goodness-of-fit parameter for significantly intense reflections: 3.26
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No