Information card for entry 7200351

Structure parameters

• Formula: C18 H18 Br I N2 O2
• Calculated formula: C18 H18 Br I N2 O2
• Title of publication: Halogen⋯halogen interactions in assembling β-sheets into 2D layers in the bis-(4-halo-phenylamido)alkanes and their co-crystals via inter-halogen interactions
• Authors of publication: Samai, Suman; Biradha, Kumar
• Journal of publication: CrystEngComm
• Year of publication: 2009
• Journal volume: 11
• Journal issue: 3
• Pages of publication: 482 - 492
• a: 18.9243 ± 0.0009 Å
• b: 4.8077 ± 0.0002 Å
• c: 10.1235 ± 0.0005 Å
• α: 90°
• β: 93.535 ± 0.001°
• γ: 90°
• Cell volume: 919.31 ± 0.07 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 6
• 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: 0.0344
• Residual factor for significantly intense reflections: 0.0307
• Weighted residual factors for significantly intense reflections: 0.0894
• Weighted residual factors for all reflections included in the refinement: 0.0922
• Goodness-of-fit parameter for all reflections included in the refinement: 1.09
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No