Information card for entry 2020325

Structure parameters

• Chemical name: meso-(E,E)-1,1'-[1,2-bis(4-chlorophenyl)ethane- 1,2-diyl]bis(phenyldiazene), monoclinic polymorph
• Formula: C26 H20 Cl2 N4
• Calculated formula: C26 H20 Cl2 N4
• Title of publication: Triclinic and monoclinic polymorphs of <i>meso</i>-(<i>E</i>,<i>E</i>)-1,1'-[1,2-bis(4-chlorophenyl)ethane-1,2-diyl]bis(phenyldiazene): the high-yield synthesis of an unexpected product, concomitant polymorphism and configurational disorder
• Authors of publication: Mohamed, Shaaban K.; Younes, Sabry H. H.; Abdel-Raheem, Eman M. M.; Horton, Peter N.; Akkurt, Mehmet; Glidewell, Christopher
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2016
• Journal volume: 72
• Journal issue: 1
• Pages of publication: 57 - 62
• a: 22.657 ± 0.01 Å
• b: 5.4399 ± 0.0018 Å
• c: 19.086 ± 0.006 Å
• α: 90°
• β: 99.967 ± 0.007°
• γ: 90°
• Cell volume: 2316.9 ± 1.5 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 4
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for all reflections: 0.0662
• Residual factor for significantly intense reflections: 0.0524
• Weighted residual factors for significantly intense reflections: 0.1163
• Weighted residual factors for all reflections included in the refinement: 0.1241
• Goodness-of-fit parameter for all reflections included in the refinement: 1.125
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: Yes