Information card for entry 2012742

Structure parameters

• Chemical name: potassium manganese(II) hydrogenpyrophosphate dihydrate
• Formula: H5 K Mn O9 P2
• Calculated formula: H5 K Mn O9 P2
• Title of publication: KZn(HP~2~O~7~)·2H~2~O and KMn(HP~2~O~7~)·2H~2~O: acid pyrophosphate metallates(II) with layer structures
• Authors of publication: Assaaoudi, Hassane; Ennaciri, Abdelaziz; Harcharras, Mohamed; El Bali, Brahim; Reinauer, Felix; Glaum, Robert; Rulmont, André; Spirlet, Marie-Rose
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2002
• Journal volume: 58
• Journal issue: 6
• Pages of publication: i79 - i81
• a: 15.7186 ± 0.0005 Å
• b: 7.8706 ± 0.0005 Å
• c: 6.5297 ± 0.0005 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 807.82 ± 0.08 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: 0.0316
• Residual factor for significantly intense reflections: 0.0241
• Weighted residual factors for significantly intense reflections: 0.0586
• Weighted residual factors for all reflections included in the refinement: 0.0613
• Goodness-of-fit parameter for all reflections included in the refinement: 1.061
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No