Information card for entry 2003982

Structure parameters

• Chemical name: (Z)-6,6'-dimethylbiindanylidene
• Formula: C20 H20
• Calculated formula: C20 H20
• SMILES: Cc1ccc2c(c1)/C(=C1/CCc3c1cc(C)cc3)CC2
• Title of publication: `Stiff' <i>cis</i>-Stilbenes. (<i>Z</i>)-6,6'-Dimethyl-1,1'-biindanylidene and (<i>Z</i>)-4,4',7,7'-Tetramethyl-1,1'-biindanylidene
• Authors of publication: Harada, J.; Ogawa, K.; Tomoda, S.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1995
• Journal volume: 51
• Journal issue: 10
• Pages of publication: 2125 - 2127
• a: 11.263 ± 0.001 Å
• b: 18.507 ± 0.002 Å
• c: 7.449 ± 0.001 Å
• α: 90°
• β: 110.379 ± 0.009°
• γ: 90°
• Cell volume: 1455.5 ± 0.3 ų
• Cell temperature: 90 K
• Ambient diffraction temperature: 90 K
• Number of distinct elements: 2
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for all reflections: 0.057
• Residual factor for significantly intense reflections: 0.052
• Weighted residual factors for all reflections: 0.066
• Weighted residual factors for significantly intense reflections: 0.066
• Goodness-of-fit parameter for all reflections: 3.11
• Goodness-of-fit parameter for significantly intense reflections: 3.275
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No