Information card for entry 2007409

Structure parameters

• Formula: C30 H22 N2 O2
• Calculated formula: C30 H22 N2 O2
• SMILES: O1C(=O)[C@@]2(N(N=C([C@H]2c2ccccc2)c2ccccc2)c2ccccc2)C=C1c1ccccc1.O1C(=O)[C@]2(N(N=C([C@@H]2c2ccccc2)c2ccccc2)c2ccccc2)C=C1c1ccccc1
• Title of publication: 1,3,4,8-Tetraphenyl-7-oxa-1,2-diazaspiro[4.4]nona-2,8-dien-6-one
• Authors of publication: Puviarasan, K.; Govindasamy, L.; Velmurugan, D.; Shanmuga Sundara Raj, S.; Hoong-Kun Fun; Shanmuga Sundaram, M.; Raghunathan, R.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 1998
• Journal volume: 54
• Journal issue: 7
• Pages of publication: 959 - 961
• a: 9.554 ± 0.001 Å
• b: 10.401 ± 0.001 Å
• c: 12.999 ± 0.001 Å
• α: 71.92 ± 0.01°
• β: 70.72 ± 0.01°
• γ: 74.95 ± 0.01°
• Cell volume: 1141.2 ± 0.2 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0812
• Residual factor for significantly intense reflections: 0.0407
• Weighted residual factors for all reflections included in the refinement: 0.1141
• Goodness-of-fit parameter for all reflections included in the refinement: 0.783
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No