Information card for entry 7204205

Structure parameters

• Formula: C19 H18 N4 O3
• Calculated formula: C19 H18 N4 O3
• Title of publication: Pyrrole and polypyrrole-based liquid crystals containing azobenzene mesogenic groups
• Authors of publication: Chen, Yu; Harrison, William T. A.; Imrie, Corrie T.; Ryder, Karl S.
• Journal of publication: Journal of Materials Chemistry
• Year of publication: 2002
• Journal volume: 12
• Journal issue: 3
• Pages of publication: 579
• a: 11.8709 ± 0.0018 Å
• b: 7.6449 ± 0.0012 Å
• c: 20.891 ± 0.004 Å
• α: 90°
• β: 111.696 ± 0.003°
• γ: 90°
• Cell volume: 1761.6 ± 0.5 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• 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: 0.117
• Residual factor for significantly intense reflections: 0.068
• Weighted residual factors for significantly intense reflections: 0.18
• Weighted residual factors for all reflections included in the refinement: 0.198
• Goodness-of-fit parameter for all reflections included in the refinement: 0.88
• Diffraction radiation wavelength: 0.6923 Å
• Diffraction radiation type: synchrotron
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No