Information card for entry 1548717

Structure parameters

• Formula: Al4 Fe2 O18 Si5
• Calculated formula: Al4 Fe2 O18 Si5
• Title of publication: Structural investigations of the two polymorphs of synthetic Fe-cordierite and Raman spectroscopy of hexagonal Fe-cordierite
• Authors of publication: Udo Haefeker; Reinhard Kaindl; Peter Tropper; Hannes Kruger; Volker Kahlenberg; Maria Orlova
• Journal of publication: Mineralogy and Petrology
• Year of publication: 2014
• Journal volume: 108
• Pages of publication: 469 - 478
• a: 17.2306 ± 0.0002 Å
• b: 9.8239 ± 0.0001 Å
• c: 9.2892 ± 0.0001 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1572.4 ± 0.03 ų
• Cell temperature: 298 K
• Ambient diffraction temperature: 298 K
• Number of distinct elements: 4
• Space group number: 66
• Hermann-Mauguin space group symbol: C c c m
• Hall space group symbol: -C 2 2c
• Residual factor for all reflections: 0.0497
• Residual factor for significantly intense reflections: 0.0448
• Weighted residual factors for significantly intense reflections: 0.0471
• Weighted residual factors for all reflections included in the refinement: 0.0478
• Goodness-of-fit parameter for significantly intense reflections: 2.95
• Goodness-of-fit parameter for all reflections included in the refinement: 2.89
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No