Information card for entry 2204533

Structure parameters

• Common name: Dibenzophospholanic acid anhydride
• Chemical name: bis(5-hydroxy-5-oxodibenzo-5H-phosphole) anhydride or 9,9'-oxydi(9-phosphafluoren-9-one)
• Formula: C24 H16 O3 P2
• Calculated formula: C24 H16 O3 P2
• SMILES: P1(=O)(OP2(=O)c3ccccc3c3ccccc23)c2ccccc2c2ccccc12
• Title of publication: Dibenzophospholanic acid anhydride
• Authors of publication: Andreas Decken; Erin D. Gill; Frank Bottomley
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2004
• Journal volume: 60
• Journal issue: 11
• Pages of publication: o1935 - o1936
• a: 11.0105 ± 0.0007 Å
• b: 13.6596 ± 0.001 Å
• c: 26.8832 ± 0.0018 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 4043.2 ± 0.5 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 2 K
• Number of distinct elements: 4
• Space group number: 61
• Hermann-Mauguin space group symbol: P b c a
• Hall space group symbol: -P 2ac 2ab
• Residual factor for all reflections: 0.0922
• Residual factor for significantly intense reflections: 0.0505
• Weighted residual factors for significantly intense reflections: 0.1295
• Weighted residual factors for all reflections included in the refinement: 0.1424
• Goodness-of-fit parameter for all reflections included in the refinement: 1.075
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes