Information card for entry 2223216

Structure parameters

• Chemical name: 2,2,6,6-Tetrakis(biphenyl-2-yl)-4,4,8,8-tetramethylcyclotetrasiloxane
• Formula: C52 H48 O4 Si4
• Calculated formula: C52 H48 O4 Si4
• SMILES: C[Si]1(C)O[Si](O[Si](C)(C)O[Si](O1)(c1ccccc1c1ccccc1)c1ccccc1c1ccccc1)(c1ccccc1c1ccccc1)c1ccccc1c1ccccc1
• Title of publication: 2,2,6,6-Tetrakis(biphenyl-2-yl)-4,4,8,8-tetramethylcyclotetrasiloxane
• Authors of publication: Couzijn, Erik P. A.; Lutz, Martin; Spek, Anthony L.; Lammertsma, Koop
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2009
• Journal volume: 65
• Journal issue: 9
• Pages of publication: o2182 - o2183
• a: 17.3418 ± 0.0002 Å
• b: 14.6488 ± 0.0002 Å
• c: 17.9584 ± 0.0002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 4562.09 ± 0.1 ų
• Cell temperature: 110 ± 2 K
• Ambient diffraction temperature: 110 ± 2 K
• Number of distinct elements: 4
• Space group number: 61
• Hermann-Mauguin space group symbol: P b c a
• Hall space group symbol: -P 2ac 2ab
• Residual factor for all reflections: 0.0579
• Residual factor for significantly intense reflections: 0.0356
• Weighted residual factors for significantly intense reflections: 0.0868
• Weighted residual factors for all reflections included in the refinement: 0.0966
• Goodness-of-fit parameter for all reflections included in the refinement: 1.067
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes