Information card for entry 7157107

Structure parameters

• Formula: C26 H46 B2 O4 Se2 Si2
• Calculated formula: C26 H46 B2 O4 Se2 Si2
• Title of publication: Synthesis and chiroptical properties of stereogenic cyclic dimers based on 2,2'-biselenophene and [2.2]paracyclophane.
• Authors of publication: Hasegawa, Masashi; Kobayakawa, Kosuke; Nojima, Yuki; Mazaki, Yasuhiro
• Journal of publication: Organic & biomolecular chemistry
• Year of publication: 2019
• Journal volume: 17
• Journal issue: 39
• Pages of publication: 8822 - 8826
• a: 44.64 ± 0.002 Å
• b: 6.5823 ± 0.0003 Å
• c: 11.7225 ± 0.0007 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3444.5 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 6
• Space group number: 33
• Hermann-Mauguin space group symbol: P n a 21
• Hall space group symbol: P 2c -2n
• Residual factor for all reflections: 0.0727
• Residual factor for significantly intense reflections: 0.0524
• Weighted residual factors for significantly intense reflections: 0.1193
• Weighted residual factors for all reflections included in the refinement: 0.1271
• Goodness-of-fit parameter for all reflections included in the refinement: 1.032
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No