Information card for entry 7251144

Structure parameters

• Formula: C20 H17 O4
• Calculated formula: C20 H17 O4
• Title of publication: Synthesis and biological evaluation of pyrano and furano fused ring isoflavene derivatives.
• Authors of publication: Falasca, Valerio; Yee, Eugene; Sabir, Shekh; Bhadbade, Mohan; Wenholz, Daniel S.; StC Black, David; Kumar, Naresh
• Journal of publication: RSC advances
• Year of publication: 2025
• Journal volume: 15
• Journal issue: 47
• Pages of publication: 40149 - 40163
• a: 10.731 ± 0.007 Å
• b: 5.879 ± 0.004 Å
• c: 24.449 ± 0.017 Å
• α: 90°
• β: 94.21 ± 0.03°
• γ: 90°
• Cell volume: 1538.3 ± 1.8 ų
• Cell temperature: 147.81 K
• Ambient diffraction temperature: 147.81 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: 0.1726
• Residual factor for significantly intense reflections: 0.0927
• Weighted residual factors for significantly intense reflections: 0.2151
• Weighted residual factors for all reflections included in the refinement: 0.253
• Goodness-of-fit parameter for all reflections included in the refinement: 1.041
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No