Information card for entry 2208495

Structure parameters

• Chemical name: 2,6-Dimethylpyridinium hydrogen (2R,3R)-(+)-tartrate sesquihydrate
• Formula: C11 H18 N O7.5
• Calculated formula: C11 H18 N O7.5
• Title of publication: 2,6-Dimethylpyridinium hydrogen (2<i>R</i>,3<i>R</i>)-(+)-tartrate sesquihydrate
• Authors of publication: Wang, Zi-Liang; Li, Ming-Xue; Wei, Lin-Heng; Wang, Jing-Ping
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2006
• Journal volume: 62
• Journal issue: 4
• Pages of publication: o1433 - o1434
• a: 7.2094 ± 0.0011 Å
• b: 12.4483 ± 0.0018 Å
• c: 15.628 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1402.5 ± 0.3 ų
• Cell temperature: 292 ± 2 K
• Ambient diffraction temperature: 292 ± 2 K
• Number of distinct elements: 4
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Residual factor for all reflections: 0.0864
• Residual factor for significantly intense reflections: 0.0472
• Weighted residual factors for significantly intense reflections: 0.0975
• Weighted residual factors for all reflections included in the refinement: 0.1073
• Goodness-of-fit parameter for all reflections included in the refinement: 0.902
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes