Information card for entry 2220784

Structure parameters

• Common name: norfloxacin sesquihydrate
• Chemical name: 1-ethyl-6-fluoro-4-oxo-7-(piperazin-4-ium-1-yl)-1,4-dihydroquinoline-3- carboxylate sesquihydrate
• Formula: C16 H20.84 F N3 O4.42
• Calculated formula: C16 H20 F N3 O4.423
• Title of publication: Norfloxacin sesquihydrate
• Authors of publication: Ravindra, Nittala V.; Panpalia, Gopal M.; Jagarlapudi, A. R. P. Sarma
• Journal of publication: Acta Crystallographica Section E
• Year of publication: 2009
• Journal volume: 65
• Journal issue: 2
• Pages of publication: o303
• a: 8.8434 ± 0.0018 Å
• b: 22.312 ± 0.005 Å
• c: 8.7564 ± 0.0018 Å
• α: 90°
• β: 109.35 ± 0.03°
• γ: 90°
• Cell volume: 1630.2 ± 0.7 ų
• Cell temperature: 298 ± 2 K
• Ambient diffraction temperature: 298 ± 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: 0.1013
• Residual factor for significantly intense reflections: 0.0808
• Weighted residual factors for significantly intense reflections: 0.2017
• Weighted residual factors for all reflections included in the refinement: 0.2175
• Goodness-of-fit parameter for all reflections included in the refinement: 1.027
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: Yes
• Has Fobs: Yes