Information card for entry 7215690

Structure parameters

• Common name: Levofloxacin Malonic Acid Hydrate
• Formula: C21 H21 F N3 O9
• Calculated formula: C21 H21 F N3 O9
• Title of publication: New crystalline salt forms of levofloxacin: conformational analysis and attempts towards the crystal structure prediction of the anhydrous form
• Authors of publication: Singh, Shiv Shankar; Thakur, Tejender S.
• Journal of publication: CrystEngComm
• Year of publication: 2014
• Journal volume: 16
• Journal issue: 20
• Pages of publication: 4215
• a: 17.856 ± 0.003 Å
• b: 6.989 ± 0.001 Å
• c: 36.502 ± 0.007 Å
• α: 90°
• β: 99.282 ± 0.006°
• γ: 90°
• Cell volume: 4495.6 ± 1.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 5
• Hermann-Mauguin space group symbol: C 1 2 1
• Hall space group symbol: C 2y
• Residual factor for all reflections: 0.1829
• Residual factor for significantly intense reflections: 0.0963
• Weighted residual factors for significantly intense reflections: 0.2613
• Weighted residual factors for all reflections included in the refinement: 0.3253
• Goodness-of-fit parameter for all reflections included in the refinement: 1.032
• Diffraction radiation probe: x-ray
• Diffraction radiation wavelength: 0.71075 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No