Information card for entry 2222102

Structure parameters

• Chemical name: 7,7',8,8'-Tetramethoxy-4,4'-dimethyl-3,5'-bichromene-2,2'-dione
• Formula: C24 H22 O8
• Calculated formula: C24 H22 O8
• SMILES: O(c1c(OC)c2oc(=O)c(c(c2cc1)C)c1cc(OC)c(OC)c2oc(=O)cc(c12)C)C
• Title of publication: 7,7',8,8'-Tetramethoxy-4,4'-dimethyl-3,5'-bichromene-2,2'-dione
• 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: o1322 - o1323
• a: 9.4724 ± 0.0001 Å
• b: 23.4766 ± 0.0003 Å
• c: 9.3525 ± 0.0001 Å
• α: 90°
• β: 96.254 ± 0.001°
• γ: 90°
• Cell volume: 2067.43 ± 0.04 ų
• Cell temperature: 100 K
• Ambient diffraction temperature: 100 K
• Number of distinct elements: 3
• 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: 0.0547
• Residual factor for significantly intense reflections: 0.0462
• Weighted residual factors for significantly intense reflections: 0.1194
• Weighted residual factors for all reflections included in the refinement: 0.1249
• Goodness-of-fit parameter for all reflections included in the refinement: 1.069
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes