Information card for entry 2101267

Structure parameters

• Chemical name: (E)-2,2,2',2'-tetramethyl-1,1'-biindanylidene
• Formula: C22 H24
• Calculated formula: C22 H24
• SMILES: CC1(C)Cc2c(/C1=C1/c3ccccc3CC1(C)C)cccc2
• Title of publication: Unusually short ethylene bond and large amplitude torsional motion of (<i>E</i>)-stilbenes in crystals. X-ray crystallographic study of `stiff' stilbenes
• Authors of publication: Ogawa, K.; Harada, J.; Tomoda, S.
• Journal of publication: Acta Crystallographica Section B
• Year of publication: 1995
• Journal volume: 51
• Journal issue: 2
• Pages of publication: 240 - 248
• a: 10.703 ± 0.002 Å
• b: 15.902 ± 0.002 Å
• c: 10.302 ± 0.002 Å
• α: 90.65 ± 0.01°
• β: 90.01 ± 0.02°
• γ: 103.86 ± 0.01°
• Cell volume: 1702.2 ± 0.5 ų
• Cell temperature: 296 K
• Ambient diffraction temperature: 296 K
• Number of distinct elements: 2
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.141
• Residual factor for significantly intense reflections: 0.056
• Weighted residual factors for all reflections: 0.064
• Weighted residual factors for significantly intense reflections: 0.058
• Goodness-of-fit parameter for all reflections: 1.262
• Goodness-of-fit parameter for significantly intense reflections: 1.642
• Diffraction radiation wavelength: 1.54184 Å
• Diffraction radiation type: CopperKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No