Information card for entry 7133830

Structure parameters

• Formula: C26 H14 O5
• Calculated formula: C26 H14 O5
• Title of publication: Diversity-oriented synthesis of chromone inden-1-one-fused cyclopentadienylides and <i>C</i>-acylated chromone adducts <i>via</i> allylic phosphorus ylides.
• Authors of publication: Gurram, Durga Prasad; Marri, Gangababu; Jothimani, Naveen; Chen, Yi-Ru; Lin, Wenwei
• Journal of publication: Chemical communications (Cambridge, England)
• Year of publication: 2024
• Journal volume: 60
• Journal issue: 72
• Pages of publication: 9817 - 9820
• a: 19.4485 ± 0.0007 Å
• b: 6.3637 ± 0.0002 Å
• c: 15.7718 ± 0.0005 Å
• α: 90°
• β: 105.28 ± 0.001°
• γ: 90°
• Cell volume: 1882.98 ± 0.11 ų
• Cell temperature: 200 ± 2 K
• Ambient diffraction temperature: 200 ± 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 all reflections: 0.0584
• Residual factor for significantly intense reflections: 0.0443
• Weighted residual factors for significantly intense reflections: 0.1107
• Weighted residual factors for all reflections included in the refinement: 0.1239
• Goodness-of-fit parameter for all reflections included in the refinement: 1.023
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No