Information card for entry 2015434

Structure parameters

• Common name: 5-fluorouracil‒thymine
• Chemical name: 5-fluoropyrimidine-2,4(1H,3H)-dione‒5-methylpyrimidine-2,4(1H,3H)-dione
• Formula: C8.78 H8.34 F1.22 N4 O4
• Calculated formula: C8.781 H8.34 F1.219 N4 O4
• Title of publication: 5-Fluorouracil and thymine form a crystalline solid solution
• Authors of publication: Barnett, Sarah A.; Hulme, Ashley T.; Tocher, Derek A.
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2006
• Journal volume: 62
• Journal issue: 7
• Pages of publication: o412 - o415
• a: 19.3785 ± 0.0015 Å
• b: 5.9918 ± 0.0005 Å
• c: 20.0293 ± 0.0015 Å
• α: 90°
• β: 117.813 ± 0.001°
• γ: 90°
• Cell volume: 2057 ± 0.3 ų
• Cell temperature: 150 ± 2 K
• Ambient diffraction temperature: 150 ± 2 K
• Number of distinct elements: 5
• 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: 0.0407
• Residual factor for significantly intense reflections: 0.0369
• Weighted residual factors for significantly intense reflections: 0.093
• Weighted residual factors for all reflections included in the refinement: 0.0955
• Goodness-of-fit parameter for all reflections included in the refinement: 1.059
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: Yes