Information card for entry 7122152

Structure parameters

• Formula: C18 H16 O2
• Calculated formula: C18 H16 O2
• Title of publication: Switching from positive to negative axial thermal expansion in two organic crystalline compounds with similar packing.
• Authors of publication: Negi, Lalita; Shrivastava, Ashutosh; Das, Dinabandhu
• Journal of publication: Chemical communications (Cambridge, England)
• Year of publication: 2018
• Journal volume: 54
• Journal issue: 76
• Pages of publication: 10675 - 10678
• a: 5.9264 ± 0.0011 Å
• b: 7.4922 ± 0.0018 Å
• c: 32.946 ± 0.007 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1462.9 ± 0.5 ų
• Cell temperature: 400 ± 2 K
• Ambient diffraction temperature: 400 ± 2 K
• Number of distinct elements: 3
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Residual factor for all reflections: 0.1132
• Residual factor for significantly intense reflections: 0.0437
• Weighted residual factors for significantly intense reflections: 0.0922
• Weighted residual factors for all reflections included in the refinement: 0.1219
• Goodness-of-fit parameter for all reflections included in the refinement: 1.031
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No