Information card for entry 1544293

Structure parameters

• Chemical name: 2,4-Dimethylpyrido[1,2-<i>a</i>]pyrimidin-5-ium perchlorate
• Formula: C10 H11 Cl N2 O4
• Calculated formula: C10 H11 Cl N2 O4
• Title of publication: 2,4-Dimethylpyrido[1,2-<i>a</i>]pyrimidin-5-ium perchlorate
• Authors of publication: Posel, Maciej; Stoeckli-Evans, Helen
• Journal of publication: IUCrData
• Year of publication: 2016
• Journal volume: 1
• Journal issue: 10
• Pages of publication: x161543
• a: 12.5178 ± 0.0011 Å
• b: 7.8321 ± 0.0009 Å
• c: 12.6354 ± 0.0015 Å
• α: 90°
• β: 107.763 ± 0.008°
• γ: 90°
• Cell volume: 1179.7 ± 0.2 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 13
• Hermann-Mauguin space group symbol: P 1 2/c 1
• Hall space group symbol: -P 2yc
• Residual factor for all reflections: 0.1173
• Residual factor for significantly intense reflections: 0.0716
• Weighted residual factors for significantly intense reflections: 0.1382
• Weighted residual factors for all reflections included in the refinement: 0.1676
• Goodness-of-fit parameter for all reflections included in the refinement: 1.129
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes