Information card for entry 7125495

Structure parameters

• Common name: zopiclone dihydrate
• Chemical name: (6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-oxo-5H-pyrrolo(3,4-b)pyrazin-5-yl)-4- methyl-1-piperazine carboxylate
• Formula: C17 Cl N6 O5
• Calculated formula: C17 Cl N6 O5
• Title of publication: Structural transformations in zopiclone.
• Authors of publication: Shankland, N.; David, W. I.; Shankland, K.; Kennedy, A. R.; Frampton, C. S.; Florence, A. J.
• Journal of publication: Chemical communications (Cambridge, England)
• Year of publication: 2001
• Journal issue: 21
• Pages of publication: 2204 - 2205
• a: 16.4834 ± 0.0001 Å
• b: 7.1465 ± 0.0001 Å
• c: 17.4026 ± 0.0001 Å
• α: 90°
• β: 109.807 ± 0.0004°
• γ: 90°
• Cell volume: 1928.73 ± 0.03 ų
• Cell temperature: 298 K
• Ambient diffraction temperature: 298 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Goodness-of-fit parameter for all reflections: 4.89
• Method of determination: powder diffraction
• Diffraction radiation wavelength: 0.80008 Å
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No