Information card for entry 2222082

Structure parameters

• Common name: 7,7',8,8'-tetramethoxy-4,4'-dimethyl-3,3'-bicoumarin
• Formula: C24 H22 O8
• Calculated formula: C24 H22 O8
• SMILES: COc1c(OC)ccc2c1oc(=O)c(c2C)c1c(=O)oc2c(c1C)ccc(c2OC)OC
• Title of publication: 7,7',8,8'-Tetramethoxy-4,4'-dimethyl-3,3'-bicoumarin
• Authors of publication: Fun, Hoong-Kun; Jebas, Samuel Robinson; Parveen, Mehtab; Khanam, Zakia; Ghalib, Raza Murad
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2009
• Journal volume: 65
• Journal issue: 6
• Pages of publication: o1294 - o1295
• a: 21.715 ± 0.009 Å
• b: 7.138 ± 0.003 Å
• c: 15.511 ± 0.006 Å
• α: 90°
• β: 121.801 ± 0.005°
• γ: 90°
• Cell volume: 2043.3 ± 1.4 ų
• Cell temperature: 100 K
• Ambient diffraction temperature: 100 K
• Number of distinct elements: 3
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for all reflections: 0.0788
• Residual factor for significantly intense reflections: 0.0591
• Weighted residual factors for significantly intense reflections: 0.1438
• Weighted residual factors for all reflections included in the refinement: 0.1546
• Goodness-of-fit parameter for all reflections included in the refinement: 1.083
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes