Information card for entry 1543776

Structure parameters

• Formula: C20 H16 O4
• Calculated formula: C20 H16 O4
• Title of publication: Formation of Bundle Assemblies of Stereoregular Polymers in Thermal Solid-State Polymerization of 7,7,8,8-Tetrakis(aryloxycarbonyl)-p-quinodimethanes
• Authors of publication: Itoh, Takahito; Morita, Erica; Takakura, Ryohei; Nakajima, Hiroto; Uno, Takahiro; Kubo, Masataka; Tohnai, Norimitsu; Miyata, Mikiji
• Journal of publication: Macromolecules
• Year of publication: 2016
• Journal volume: 49
• Journal issue: 13
• Pages of publication: 4802
• a: 10.8775 ± 0.0008 Å
• b: 7.9949 ± 0.0003 Å
• c: 18.0881 ± 0.0009 Å
• α: 90°
• β: 92.459 ± 0.004°
• γ: 90°
• Cell volume: 1571.57 ± 0.15 ų
• Cell temperature: 204.2 K
• Number of distinct elements: 3
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Residual factor for significantly intense reflections: 0.0557
• Weighted residual factors for all reflections included in the refinement: 0.1506
• Goodness-of-fit parameter for all reflections included in the refinement: 1.862
• Diffraction radiation wavelength: 1.5418 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No