Information card for entry 7051910

Structure parameters

• Formula: C20 H12 N2
• Calculated formula: C20 H12 N2
• SMILES: c1ccnc2ccc3ccc4ccc5ncccc5c4c3c12
• Title of publication: Synthesis, crystal structure and crystal packing of diaza[5]helicenes
• Authors of publication: Bazzini, Cristina; Caronna, Tullio; Fontana, Francesca; Macchi, Piero; Mele, Andrea; Natali Sora, Isabella; Panzeri, Walter; Sironi, Angelo
• Journal of publication: New Journal of Chemistry
• Year of publication: 2008
• Journal volume: 32
• Journal issue: 10
• Pages of publication: 1710
• a: 15.7823 ± 0.0007 Å
• b: 8.7508 ± 0.0004 Å
• c: 19.8826 ± 0.0009 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2745.9 ± 0.2 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 3
• 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: 0.0833
• Residual factor for significantly intense reflections: 0.0806
• Weighted residual factors for significantly intense reflections: 0.1721
• Weighted residual factors for all reflections included in the refinement: 0.1736
• Goodness-of-fit parameter for all reflections included in the refinement: 1.303
• Diffraction radiation wavelength: 0.71069 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No