Information card for entry 7235025

Structure parameters

• Formula: C39 H28 O
• Calculated formula: C39 H28 O
• Title of publication: Reversible luminescence color switching in the crystal polymorphs of 2,7-bis(2'-methyl-[1,1'-biphenyl]-4-yl)-fluorenone by thermal and mechanical stimuli
• Authors of publication: Xianchao Du; Fan Xu; Mao-Sen Yuan; Pengchong Xue; Lei Zhao; Dong-En Wang; Wenji Wang; Qin Tu; Shu-Wei Chen; Jinyi Wang
• Journal of publication: Journal of Materials Chemistry C
• Year of publication: 2016
• Journal volume: 4
• Pages of publication: 8724 - 8730
• a: 27.852 ± 0.003 Å
• b: 5.163 ± 0.0004 Å
• c: 20.8582 ± 0.0018 Å
• α: 90°
• β: 115.191 ± 0.003°
• γ: 90°
• Cell volume: 2714.1 ± 0.4 ų
• Cell temperature: 298 ± 2 K
• Ambient diffraction temperature: 298 ± 2 K
• Number of distinct elements: 3
• Space group number: 5
• Hermann-Mauguin space group symbol: C 1 2 1
• Hall space group symbol: C 2y
• Residual factor for all reflections: 0.1232
• Residual factor for significantly intense reflections: 0.0631
• Weighted residual factors for significantly intense reflections: 0.1088
• Weighted residual factors for all reflections included in the refinement: 0.1225
• Goodness-of-fit parameter for all reflections included in the refinement: 1.042
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No