Information card for entry 2100936

Structure parameters

• Formula: Ca2 Co O7 Si2
• Calculated formula: Ca2 Co O7 Si2
• Title of publication: The modulated structure of synthetic Co-åkermanite, Ca~2~CoSi~2~O~7~
• Authors of publication: Hagiya, K.; Ohmasa, M.; Iishi, K.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 1993
• Journal volume: 49
• Journal issue: 2
• Pages of publication: 172 - 179
• a: 7.8417 ± 0.0006 Å
• b: 7.8417 ± 0.0006 Å
• c: 5.0249 ± 0.0003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 308.99 ± 0.04 ų
• Number of distinct elements: 4
• Hermann-Mauguin space group symbol: P -4 21 m
• Hall space group symbol: P -4 2ab
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: Mo
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No