Information card for entry 2014100

Structure parameters

• Common name: potassium scandium hydrogen arsenate
• Chemical name: potassium scandium hydrogen arsenate(V)
• Formula: As2 H2 K O8 Sc
• Calculated formula: As2 H2 K O8 Sc
• Title of publication: Alkali scandium arsenates. I. The framework structures of KSc(HAsO~4~)~2~ and RbScAs~2~O~7~
• Authors of publication: Schwendtner, Karolina; Kolitsch, Uwe
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2004
• Journal volume: 60
• Journal issue: 9
• Pages of publication: i79 - i83
• a: 8.349 ± 0.002 Å
• b: 10.59 ± 0.002 Å
• c: 9.189 ± 0.002 Å
• α: 90°
• β: 109.37 ± 0.03°
• γ: 90°
• Cell volume: 766.5 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for all reflections: 0.015
• Residual factor for significantly intense reflections: 0.0142
• Weighted residual factors for significantly intense reflections: 0.0388
• Weighted residual factors for all reflections included in the refinement: 0.0391
• Goodness-of-fit parameter for all reflections included in the refinement: 1.157
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes