Information card for entry 7126968

Structure parameters

• Common name: 2,2?,7,7?-tetrabromo-9,9?-spriosilabifluorene
• Chemical name: 2,2?,7,7?-tetrabromo-9,9?-spriosilabifluorene
• Formula: C31 H20 Br4 Si
• Calculated formula: C31 H20 Br4 Si
• SMILES: Brc1cc2[Si]3(c4c(ccc(Br)c4)c2cc1)c1c(c2c3cc(Br)cc2)ccc(Br)c1.c1c(cccc1)C
• Title of publication: Accessing new microporous polyspirobifluorenes via a C/Si switch.
• Authors of publication: Nesmelov, Andrei; Lee, David; Bejger, Christopher; Kocherga, Margaret; Lyles, Zachary; Greenier, Madeline K.; Vitallo, Ashley Ariel; Kaouk, Ghallia; Jones, Daniel S.; Schmedake, Thomas A.
• Journal of publication: Chemical communications (Cambridge, England)
• Year of publication: 2020
• Journal volume: 56
• Journal issue: 68
• Pages of publication: 9846 - 9849
• a: 11.1507 ± 0.0008 Å
• b: 11.5156 ± 0.0006 Å
• c: 11.6809 ± 0.0008 Å
• α: 74.098 ± 0.005°
• β: 80.106 ± 0.006°
• γ: 83.183 ± 0.005°
• Cell volume: 1416.99 ± 0.16 ų
• Cell temperature: 100 ± 1 K
• Ambient diffraction temperature: 100 ± 1 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0354
• Residual factor for significantly intense reflections: 0.0326
• Weighted residual factors for significantly intense reflections: 0.0853
• Weighted residual factors for all reflections included in the refinement: 0.0877
• Goodness-of-fit parameter for all reflections included in the refinement: 1.069
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No