Information card for entry 4504057

Structure parameters

• Common name: piroxicam:malonic acid
• Chemical name: 4-Hydroxy-2-methyl-N-(2-pyridyl)-2H-1,2-benzothiazine -3-carboxamide-1,1-dioxide malonic acid
• Formula: C30 H26 N6 O8 S2
• Calculated formula: C30 H26 N6 O8 S2
• Title of publication: Cocrystals of Piroxicam with Carboxylic Acids
• Authors of publication: Childs, Scott L.; Hardcastle, Kenneth I.
• Journal of publication: Crystal Growth & Design
• Year of publication: 2007
• Journal volume: 7
• Journal issue: 7
• Pages of publication: 1291
• a: 15.692 ± 0.008 Å
• b: 16.195 ± 0.007 Å
• c: 6.999 ± 0.003 Å
• α: 90°
• β: 101.72 ± 0.011°
• γ: 90°
• Cell volume: 1741.6 ± 1.4 ų
• Cell temperature: 173 ± 2 K
• Ambient diffraction temperature: 173 ± 2 K
• Number of distinct elements: 5
• 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: 0.1243
• Residual factor for significantly intense reflections: 0.0853
• Weighted residual factors for significantly intense reflections: 0.2426
• Weighted residual factors for all reflections included in the refinement: 0.2641
• Goodness-of-fit parameter for all reflections included in the refinement: 1.057
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No