Information card for entry 7125682

Structure parameters

• Formula: C27 H24 O2
• Calculated formula: C27 H24 O2
• Title of publication: Direct synthesis of 2-arylazulenes by [8+2] cycloaddition of 2H-cyclohepta[b]furan-2-ones with silyl enol ethers.
• Authors of publication: Shoji, Taku; Sugiyama, Shuhei; Kobayashi, Yoshiaki; Yamazaki, Akari; Ariga, Yukino; Katoh, Ryuzi; Wakui, Hiroki; Yasunami, Masafumi; Ito, Shunji
• Journal of publication: Chemical communications (Cambridge, England)
• Year of publication: 2020
• Journal volume: 56
• Journal issue: 10
• Pages of publication: 1485 - 1488
• a: 9.9833 ± 0.0002 Å
• b: 11.7354 ± 0.0002 Å
• c: 34.8372 ± 0.0007 Å
• α: 90°
• β: 97.4542 ± 0.0019°
• γ: 90°
• Cell volume: 4046.96 ± 0.14 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 3
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Residual factor for all reflections: 0.065
• Residual factor for significantly intense reflections: 0.048
• Weighted residual factors for significantly intense reflections: 0.1054
• Weighted residual factors for all reflections included in the refinement: 0.1133
• Goodness-of-fit parameter for all reflections included in the refinement: 1.025
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No