Information card for entry 4001454

Structure parameters

• Chemical name: Ammonium tungsten tellurite
• Formula: H8 N2 O8 Te2 W
• Calculated formula: N2 O8 Te2 W
• Title of publication: (NH4)2Te2WO8: A New Polar Oxide with Second-Harmonic Generating, Ferroelectric, and Pyroelectric Properties
• Authors of publication: Kim, Jun-Ho; Baek, Jaewook; Halasyamani, P. Shiv
• Journal of publication: Chemistry of Materials
• Year of publication: 2007
• Journal volume: 19
• Journal issue: 23
• Pages of publication: 5637
• a: 6.9716 ± 0.0009 Å
• b: 7.0279 ± 0.0009 Å
• c: 9.4593 ± 0.0013 Å
• α: 90°
• β: 99.188 ± 0.002°
• γ: 90°
• Cell volume: 457.52 ± 0.1 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 5
• Space group number: 4
• Hermann-Mauguin space group symbol: P 1 21 1
• Hall space group symbol: P 2yb
• Residual factor for all reflections: 0.0359
• Residual factor for significantly intense reflections: 0.0318
• Weighted residual factors for significantly intense reflections: 0.0597
• Weighted residual factors for all reflections included in the refinement: 0.0607
• Goodness-of-fit parameter for all reflections included in the refinement: 0.922
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No