Information card for entry 2203038

Structure parameters

• Chemical name: tetrasodium pentanickel arsenic-phosphorus (2.67/3.35) twentytwooxide
• Formula: As2.64 Na4 Ni5 O22 P3.36
• Calculated formula: As2.64 Na4 Ni5 O22 P3.36
• Title of publication: Na~4~Ni~5~[(As~1{-~<i>x</i>}P~<i>x~</i>)O~4~]~2~[(As~2<i>y~</i>P~2{-~2<i>y</i>})O~7~]~2~ (<i>x</i> = 0.27 and <i>y</i> = 0.295)
• Authors of publication: Ben Smail, Ridha; Jouini, Tahar
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2004
• Journal volume: 60
• Journal issue: 1
• Pages of publication: i1 - i2
• a: 10.676 ± 0.002 Å
• b: 6.716 ± 0.001 Å
• c: 12.812 ± 0.002 Å
• α: 90°
• β: 103.77 ± 0.01°
• γ: 90°
• Cell volume: 892.2 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/a 1
• Hall space group symbol: -P 2yab
• Residual factor for all reflections: 0.0325
• Residual factor for significantly intense reflections: 0.0241
• Weighted residual factors for significantly intense reflections: 0.0622
• Weighted residual factors for all reflections included in the refinement: 0.0652
• Goodness-of-fit parameter for all reflections included in the refinement: 1.095
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes