Information card for entry 7226846

Structure parameters

• Formula: C9 H6 F2 O2
• Calculated formula: C9 H6 F2 O2
• Title of publication: Structural transformations in crystals induced by radiation and pressure. Part 5. The influence of pressure on the course of the photochemical reaction in crystals of 2,6-difluorocinnamic acid
• Authors of publication: Galica, T.; Bąkowicz, J.; Konieczny, K.; Turowska-Tyrk, I.
• Journal of publication: CrystEngComm
• Year of publication: 2016
• Journal volume: 18
• Journal issue: 46
• Pages of publication: 8871
• a: 3.642 ± 0.0007 Å
• b: 19.023 ± 0.004 Å
• c: 10.626 ± 0.005 Å
• α: 90°
• β: 91.14 ± 0.02°
• γ: 90°
• Cell volume: 736 ± 0.4 ų
• Cell temperature: 299 ± 2 K
• Ambient diffraction temperature: 299 ± 2 K
• Cell measurement pressure: 2100000 kPa
• Ambient diffracton pressure: 2100000 kPa
• 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: 0.1778
• Residual factor for significantly intense reflections: 0.097
• Weighted residual factors for significantly intense reflections: 0.2552
• Weighted residual factors for all reflections included in the refinement: 0.3109
• Goodness-of-fit parameter for all reflections included in the refinement: 1.056
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: No