Information card for entry 2017772

Structure parameters

• Common name: Langatate
• Formula: Ga5.61 La3 O14 Ta0.41
• Calculated formula: Ga5.61 La3 O14 Ta0.41
• Title of publication: Single-crystal neutron diffraction investigation on crystals belonging to the langasite family: a comparative study
• Authors of publication: Chitra, R.; Choudhury, R. R.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 2010
• Journal volume: 66
• Journal issue: 5
• Pages of publication: 497 - 502
• a: 8.224 ± 0.004 Å
• b: 8.224 ± 0.004 Å
• c: 5.126 ± 0.001 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 300.2 ± 0.2 ų
• Cell temperature: 300 ± 2 K
• Ambient diffraction temperature: 300 ± 2 K
• Number of distinct elements: 4
• Space group number: 150
• Hermann-Mauguin space group symbol: P 3 2 1
• Hall space group symbol: P 3 2"
• Residual factor for all reflections: 0.0446
• Residual factor for significantly intense reflections: 0.0427
• Weighted residual factors for significantly intense reflections: 0.1298
• Weighted residual factors for all reflections included in the refinement: 0.135
• Goodness-of-fit parameter for all reflections included in the refinement: 1.173
• Diffraction radiation probe: neutron
• Diffraction radiation wavelength: 0.995 Å
• Diffraction radiation type: neutron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes