Information card for entry 4500127

Structure parameters

• Chemical name: 3-hydroxy-5-methyl-1H-pyrazol-2-ium picrate
• Formula: C10 H9 N5 O8
• Calculated formula: C10 H9 N5 O8
• Title of publication: Hydrogen Bonding and Electron Donor−Acceptor (EDA) Interactions Controlling the Crystal Packing of Picric Acid and Its Adducts with Nitrogen Bases. Their Rationalization in Terms of the pKaEqualization and Electron-Pair Saturation Concepts
• Authors of publication: Bertolasi, Valerio; Gilli, Paola; Gilli, Gastone
• Journal of publication: Crystal Growth & Design
• Year of publication: 2011
• Journal volume: 11
• Journal issue: 7
• Pages of publication: 2724
• a: 8.1074 ± 0.0002 Å
• b: 13.306 ± 0.0003 Å
• c: 24.6747 ± 0.0007 Å
• α: 90°
• β: 96.6479 ± 0.0008°
• γ: 90°
• Cell volume: 2643.94 ± 0.12 ų
• Cell temperature: 295 K
• Ambient diffraction temperature: 295 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: 0.1158
• Residual factor for significantly intense reflections: 0.0746
• Weighted residual factors for significantly intense reflections: 0.1978
• Weighted residual factors for all reflections included in the refinement: 0.2263
• Goodness-of-fit parameter for all reflections included in the refinement: 1.057
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No