Information card for entry 2226938

Structure parameters

• Chemical name: Pyridinium diaquabis(methylenediphosphonato-κ^2^<i>O</i>,<i>O</i>')chromate(III) tetrahydrate
• Formula: C7 H26 Cr N O18 P4
• Calculated formula: C7 H26 Cr N O18 P4
• Title of publication: Pyridinium diaquabis(methylenediphosphonato-κ^2^<i>O</i>,<i>O</i>')chromate(III) tetrahydrate
• Authors of publication: Van der Merwe, Kina; Visser, Hendrik G.; Venter, J. A.
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2010
• Journal volume: 66
• Journal issue: 8
• Pages of publication: m1011 - m1012
• a: 7.206 ± 0.005 Å
• b: 7.485 ± 0.005 Å
• c: 10.984 ± 0.005 Å
• α: 107.085 ± 0.005°
• β: 106.128 ± 0.005°
• γ: 94.496 ± 0.005°
• Cell volume: 535.7 ± 0.6 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 6
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0252
• Residual factor for significantly intense reflections: 0.024
• Weighted residual factors for significantly intense reflections: 0.069
• Weighted residual factors for all reflections included in the refinement: 0.0697
• Goodness-of-fit parameter for all reflections included in the refinement: 1.053
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: Yes