Information card for entry 2311730

Structure parameters

• Formula: Be2 Ca0.55 Ce0.2 Fe0.57 O10 Si2 Y1.25
• Calculated formula: Be2 Ca0.55 Ce0.2 Fe0.57 O10 Si2 Y1.25
• Title of publication: Crystal structure of the OH-dominant gadolinite-(Y) analogue (Y,Ca)₂(Fe,\σquare )Be₂Si₂O₈(OH,O)₂ from Heftetjern pegmatite, Norway.
• Authors of publication: Chukanov, Nikita V.; Aksenov, Sergey M.; Rastsvetaeva, Ramiza K.; Kristiansen, Roy; Pekov, Igor V.; Belakovskiy, Dmitriy I.; Van, Konstantin V.; Bychkova, Yana V.; Britvin, Sergey N.
• Journal of publication: Acta crystallographica Section B, Structural science, crystal engineering and materials
• Year of publication: 2017
• Journal volume: 73
• Journal issue: Pt 5
• Pages of publication: 899 - 906
• a: 4.7514 ± 0.001 Å
• b: 7.5719 ± 0.0016 Å
• c: 9.9414 ± 0.0002 Å
• α: 90°
• β: 90.015 ± 0.0036°
• γ: 90°
• Cell volume: 357.66 ± 0.11 ų
• Cell temperature: 120 K
• Ambient diffraction temperature: 120 K
• Number of distinct elements: 7
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0244
• Residual factor for significantly intense reflections: 0.0217
• Weighted residual factors for significantly intense reflections: 0.027
• Weighted residual factors for all reflections included in the refinement: 0.0279
• Goodness-of-fit parameter for significantly intense reflections: 1
• Goodness-of-fit parameter for all reflections included in the refinement: 0.98
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No