Information card for entry 2018711

Structure parameters

• Chemical name: Dipotassium dihydrogen hypodiphosphate dihydrate
• Formula: H6 K2 O8 P2
• Calculated formula: H6 K2 O8 P2
• SMILES: [K+].[K+].P([O-])(=O)(O)P(=O)([O-])O.O.O
• Title of publication: Potassium salts of hypodiphosphoric acid
• Authors of publication: Szafranowska, Barbara; Ślepokura, Katarzyna; Lis, Tadeusz
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2012
• Journal volume: 68
• Journal issue: 12
• Pages of publication: i71 - i82
• a: 14.279 ± 0.004 Å
• b: 8.955 ± 0.003 Å
• c: 6.665 ± 0.002 Å
• α: 90°
• β: 98.33 ± 0.04°
• γ: 90°
• Cell volume: 843.3 ± 0.5 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for all reflections: 0.0195
• Residual factor for significantly intense reflections: 0.0181
• Weighted residual factors for significantly intense reflections: 0.0496
• Weighted residual factors for all reflections included in the refinement: 0.0501
• Goodness-of-fit parameter for all reflections included in the refinement: 1.128
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes