Information card for entry 2102160

Structure parameters

• Formula: Ca1.74 Co O7 Si2 Sr0.26
• Calculated formula: Ca1.744 Co O7 Si2 Sr0.256
• Title of publication: Two-dimensional incommensurately modulated structure of (Sr~0.13~Ca~0.87~)~2~CoSi~2~O~7~ crystals
• Authors of publication: Bagautdinov, B.; Hagiya, K.; Kusaka, K.; Ohmasa, M.; Iishi, K.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2000
• Journal volume: 56
• Journal issue: 5
• Pages of publication: 811 - 821
• a: 7.8743 ± 0.0004 Å
• b: 7.8743 ± 0.0004 Å
• c: 5.0417 ± 0.0002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 312.61 ± 0.03 ų
• Number of distinct elements: 5
• Hermann-Mauguin space group symbol: P -4 21 m
• Hall space group symbol: P -4 2ab
• Residual factor for all reflections: 0.0701
• Residual factor for significantly intense reflections: 0.0701
• Weighted residual factors for all reflections: 0.0524
• Goodness-of-fit parameter for significantly intense reflections: 2.34
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No