Information card for entry 4032953

Structure parameters

• Formula: C14 H20 Se3 Si2
• Calculated formula: C14 H20 Se3 Si2
• SMILES: [se]1c2[se]c3[se]c([Si](C)(C)C)cc3c2cc1[Si](C)(C)C
• Title of publication: Diseleno[2,3-b:3',2'-d]selenophene and Diseleno[2,3-b:3',2'-d] thiophene: Building Blocks for the Construction of [7]Helicenes.
• Authors of publication: Xu, Wan; Wu, Longlong; Fang, Maohong; Ma, Zhiying; Shan, Zhen; Li, Chunli; Wang, Hua
• Journal of publication: The Journal of organic chemistry
• Year of publication: 2017
• Journal volume: 82
• Journal issue: 20
• Pages of publication: 11192 - 11197
• a: 6.4642 ± 0.0019 Å
• b: 20.855 ± 0.006 Å
• c: 27.927 ± 0.008 Å
• α: 90°
• β: 90.498 ± 0.005°
• γ: 90°
• Cell volume: 3764.7 ± 1.9 ų
• Cell temperature: 296 ± 2 K
• Ambient diffraction temperature: 296 ± 2 K
• Number of distinct elements: 4
• 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: 0.1338
• Residual factor for significantly intense reflections: 0.0577
• Weighted residual factors for significantly intense reflections: 0.1149
• Weighted residual factors for all reflections included in the refinement: 0.1307
• Goodness-of-fit parameter for all reflections included in the refinement: 0.923
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No