Information card for entry 2003082

Structure parameters

• Chemical name: 4,8,12-trioxa-4,8,12,12c-tetrahydro-dibenzo[cd,mn]pyrenium nitratehydrogennitrate
• Formula: C19 H10 N2 O9
• Calculated formula: C19 H10 N2 O9
• Title of publication: The geometry and structural properties of the 4,8,12-trioxa-4,8,12,12c-tetrahydrodibenzo[cd,mn]pyrene system in the cationic state. Structures of a planar organic cation with various monovalent and divalent anions
• Authors of publication: Krebs, Frederik C.; Laursen, Bo W.; Johannsen, Ib; Faldt, André; Bechgaard, Klaus; Jacobsen, Claus S.; Thorup, Niels; Boubekeur, Kamal
• Journal of publication: Acta Crystallographica, Section B: Structural Science
• Year of publication: 1999
• Journal volume: 55
• Journal issue: 3
• Pages of publication: 410 - 423
• a: 6.496 ± 0.0013 Å
• b: 7.653 ± 0.0015 Å
• c: 33.039 ± 0.007 Å
• α: 90°
• β: 91.95 ± 0.03°
• γ: 90°
• Cell volume: 1641.5 ± 0.6 ų
• Cell temperature: 120 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 4
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/n 1
• Hall space group symbol: -P 2yn
• Residual factor for all reflections: 0.0852
• Residual factor for significantly intense reflections: 0.0425
• Weighted residual factors for all reflections included in the refinement: 0.1134
• Goodness-of-fit parameter for all reflections included in the refinement: 1.002
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No