Information card for entry 2238432

Structure parameters

• Chemical name: Allyl 2-(2,2-dimethyl-3a,6a-dihydrofuro[3,2-<i>d</i>][1,3]dioxol-5-yl)-4-oxo-4<i>H</i>-chromene-3-carboxylate
• Formula: C20 H18 O7
• Calculated formula: C20 H18 O7
• Title of publication: Allyl 2-(2,2-dimethyl-3a,6a-dihydrofuro[3,2-<i>d</i>][1,3]dioxol-5-yl)-4-oxo-4<i>H</i>-chromene-3-carboxylate
• Authors of publication: Fatima, Zeenat; Srinivasan, Thothadri; Rao, Jonnalagadda Naga Siva; Raghunathan, Raghavachary; Velmurugan, Devadasan
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2013
• Journal volume: 69
• Journal issue: 8
• Pages of publication: o1257 - o1258
• a: 6.9461 ± 0.0006 Å
• b: 15.5688 ± 0.0011 Å
• c: 16.5572 ± 0.0011 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1790.5 ± 0.2 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• 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: 0.0867
• Residual factor for significantly intense reflections: 0.0449
• Weighted residual factors for significantly intense reflections: 0.1066
• Weighted residual factors for all reflections included in the refinement: 0.1272
• Goodness-of-fit parameter for all reflections included in the refinement: 1.008
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: Yes