Information card for entry 2208485

Structure parameters

• Chemical name: 2,4-Diphenyl-2-(trimethylsilyloxy)-3-dihydro-2H,5H-pyrano[3,2-c][1]benzopyran- 5-one
• Formula: C27 H26 O4 Si
• Calculated formula: C27 H26 O4 Si
• SMILES: [Si](O[C@@]1(Oc2c([C@H](c3ccccc3)C1)c(=O)oc1ccccc21)c1ccccc1)(C)(C)C.[Si](O[C@]1(Oc2c([C@@H](c3ccccc3)C1)c(=O)oc1ccccc21)c1ccccc1)(C)(C)C
• Title of publication: 2,4-Diphenyl-2-(trimethylsilyloxy)-3-dihydro-2<i>H</i>,5<i>H</i>-pyrano[3,2-<i>c</i>][1]benzopyran-5-one
• Authors of publication: Yun Liu; Yong-Miao Shen; Zhe Li; Jian-Hua Xu
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2006
• Journal volume: 62
• Journal issue: 4
• Pages of publication: o1397 - o1398
• a: 12.223 ± 0.002 Å
• b: 12.74 ± 0.003 Å
• c: 15.113 ± 0.003 Å
• α: 90°
• β: 91.59 ± 0.03°
• γ: 90°
• Cell volume: 2352.5 ± 0.8 ų
• Cell temperature: 298 ± 2 K
• Ambient diffraction temperature: 298 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Residual factor for all reflections: 0.0835
• Residual factor for significantly intense reflections: 0.0473
• Weighted residual factors for significantly intense reflections: 0.1276
• Weighted residual factors for all reflections included in the refinement: 0.1394
• Goodness-of-fit parameter for all reflections included in the refinement: 1
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes