Information card for entry 1553717

Structure parameters

• Common name: CBF
• Chemical name: 9,9'-bifluorenylidene cyclic dimer
• Formula: C13 H7
• Calculated formula: C13 H7
• Title of publication: A helically-twisted ladder based on 9,9′-bifluorenylidene: synthesis, characterization, and carrier-transport properties
• Authors of publication: Xu, Jinjia; Takai, Atsuro; Bannaron, Alisa; Nakagawa, Takafumi; Matsuo, Yutaka; Sugimoto, Manabu; Matsushita, Yoshitaka; Takeuchi, Masayuki
• Journal of publication: Materials Chemistry Frontiers
• Year of publication: 2018
• Journal volume: 2
• Journal issue: 4
• Pages of publication: 780
• a: 14.367 ± 0.004 Å
• b: 14.367 ± 0.004 Å
• c: 7.992 ± 0.003 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1649.6 ± 0.9 ų
• Cell temperature: 213 ± 2 K
• Ambient diffraction temperature: 213 ± 2 K
• Number of distinct elements: 2
• Space group number: 116
• Hermann-Mauguin space group symbol: P -4 c 2
• Hall space group symbol: P -4 -2c
• Residual factor for all reflections: 0.0488
• Residual factor for significantly intense reflections: 0.0469
• Weighted residual factors for significantly intense reflections: 0.1059
• Weighted residual factors for all reflections included in the refinement: 0.1067
• Goodness-of-fit parameter for all reflections included in the refinement: 1.299
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No