Information card for entry 2207681

Structure parameters

• Chemical name: potassium magnesium hydrogendiphosphate dihydrate
• Formula: H5 K Mg O9 P2
• Calculated formula: H5 K Mg O9 P2
• Title of publication: KMg(HP~2~O~7~).2H~2~O
• Authors of publication: El Bali, Brahim; Alaoui Tahiri, Aziz; Lachkar, Mohammed; Arriortua, Marcaida Isabel; Urtiaga, Miren Karmele
• Journal of publication: Acta Crystallographica, Section E
• Year of publication: 2005
• Journal volume: 61
• Journal issue: 12
• Pages of publication: i275 - i277
• a: 15.5203 ± 0.0013 Å
• b: 7.7786 ± 0.0006 Å
• c: 6.4822 ± 0.0005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 782.57 ± 0.11 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Residual factor for all reflections: 0.0369
• Residual factor for significantly intense reflections: 0.033
• Weighted residual factors for significantly intense reflections: 0.0862
• Weighted residual factors for all reflections included in the refinement: 0.0886
• Goodness-of-fit parameter for all reflections included in the refinement: 1.054
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No