Information card for entry 1545113

Structure parameters

• Common name: Barium
• Chemical name: BaIVb at high pressure of 18.2 GPa
• Formula: Ba
• Calculated formula: Ba1.25
• Title of publication: Incommensurate atomic density waves in the high-pressure IVb phase of barium
• Authors of publication: Arakcheeva, Alla; Bykov, Maxim; Bykova, Elena; Dubrovinsky, Leonid; Pattison, Phil; Dmitriev, Vladimir; Chapuis, Gervais
• Journal of publication: IUCrJ
• Year of publication: 2017
• Journal volume: 4
• Journal issue: 2
• Pages of publication: 152 - 157
• a: 11.5313 Å
• b: 11.6527 Å
• c: 4.6109 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 619.57 ų
• Cell temperature: 293 K
• Ambient diffraction temperature: 293 K
• Cell measurement pressure: 18.2 kPa
• Ambient diffracton pressure: 18.2 kPa
• Number of distinct elements: 1
• Space group number: 14
• Hermann-Mauguin space group symbol: P 21/b 1 1
• Hall space group symbol: -P 2xab
• Residual factor for all reflections: 0.0928
• Residual factor for significantly intense reflections: 0.0928
• Weighted residual factors for significantly intense reflections: 0.0658
• Weighted residual factors for all reflections included in the refinement: 0.0658
• Goodness-of-fit parameter for significantly intense reflections: 1.04
• Goodness-of-fit parameter for all reflections included in the refinement: 1.04
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.4151 Å
• Diffraction radiation type: synchrotron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No