Information card for entry 2019365

Structure parameters

• Formula: C16 H19 Cl N4 O3
• Calculated formula: C16 H18 Cl N4 O3
• Title of publication: 6-Chloro-1-ethyl-1,4-dihydro-4-oxo-7-(4-methyl-1-piperazinyl)-1,8-naphthyridine-3-carboxylic Acid, C16H19ClN4O3
• Authors of publication: Datta, M.; Hannan, S. S.; Talukdar, A. N.
• Journal of publication: Acta Crystallographica Section C Crystal Structure Communications
• Year of publication: 1995
• Journal volume: 51
• Journal issue: 5
• Pages of publication: 978
• a: 8.876 ± 0.003 Å
• b: 9.55 ± 0.001 Å
• c: 10.465 ± 0.003 Å
• α: 97.25 ± 0.02°
• β: 107.37 ± 0.03°
• γ: 100.24 ± 0.02°
• Cell volume: 817.8 ± 0.4 ų
• Cell temperature: 293 K
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for significantly intense reflections: 0.083
• Weighted residual factors for significantly intense reflections: 0.089
• Goodness-of-fit parameter for significantly intense reflections: 0.293
• Diffraction radiation wavelength: 1.54178 Å
• Diffraction radiation type: CuKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No