Information card for entry 1516359

Structure parameters

• Formula: C14 H14 N4 O6
• Calculated formula: C14 H14 N4 O6
• SMILES: NC(=O)c1ccncc1.NC(=O)c1ccncc1.OC(=O)C(=O)O
• Title of publication: Experimental and theoretical charge density study of polymorphic isonicotinamide-oxalic acid molecular complexes with strong O...H...N hydrogen bonds.
• Authors of publication: Schmidtmann, Marc; Farrugia, Louis J.; Middlemiss, Derek S.; Gutmann, Matthias J.; McIntyre, Garry J.; Wilson, Chick C.
• Journal of publication: The journal of physical chemistry. A
• Year of publication: 2009
• Journal volume: 113
• Journal issue: 50
• Pages of publication: 13985 - 13997
• a: 11.72 ± 0.005 Å
• b: 10.014 ± 0.006 Å
• c: 12.187 ± 0.006 Å
• α: 90°
• β: 102.7 ± 0.03°
• γ: 90°
• Cell volume: 1395.3 ± 1.2 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 4
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Residual factor for all reflections: 0.0658
• Residual factor for significantly intense reflections: 0.0658
• Weighted residual factors for significantly intense reflections: 0.1616
• Weighted residual factors for all reflections included in the refinement: 0.1616
• Goodness-of-fit parameter for all reflections included in the refinement: 1.064
• Diffraction radiation type: neutron
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No