Information card for entry 7204147

Structure parameters

• Formula: Al1.75 Ce3 N9.25 O5.75 Si6.25
• Calculated formula: Al1.76 Ce3 N9.22 O5.78 Si6.24
• Title of publication: The structures of the Ce and La N-phases RE3Si8 ‒ xAlxN11 ‒ xO4 + x (x≈ 1.75 for RE = Ce, x ≈ 1.5 for RE = La), determined by single-crystal X-ray and time-of-flight neutron powder diffraction, respectively
• Authors of publication: Grins, Jekabs; Shen, Zhijian; Esmaeilzadeh, Saeid; Berastegui, Pedro
• Journal of publication: Journal of Materials Chemistry
• Year of publication: 2001
• Journal volume: 11
• Journal issue: 9
• Pages of publication: 2358
• a: 15.798 ± 0.001 Å
• b: 4.8939 ± 0.0003 Å
• c: 17.99 ± 0.001 Å
• α: 90°
• β: 114.816 ± 0.004°
• γ: 90°
• Cell volume: 1262.44 ± 0.14 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: I 1 2/a 1
• Hall space group symbol: -I 2ya
• Residual factor for all reflections: 0.0446
• Residual factor for significantly intense reflections: 0.0313
• Weighted residual factors for significantly intense reflections: 0.0639
• Weighted residual factors for all reflections included in the refinement: 0.0671
• Goodness-of-fit parameter for all reflections included in the refinement: 1.045
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No