Information card for entry 2017125

Structure parameters

• Common name: pyridinium dichromate
• Chemical name: dipyridinium dichromate(VI)
• Formula: C10 H12 Cr2 N2 O7
• Calculated formula: C10 H12 Cr2 N2 O7
• SMILES: c1cccc[nH+]1.c1cccc[nH+]1.[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-]
• Title of publication: Dipyridinium dichromate: an achiral compound forming chiral crystals
• Authors of publication: Lennartson, Anders; Håkansson, Mikael
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2009
• Journal volume: 65
• Journal issue: 5
• Pages of publication: m182 - m184
• a: 8.2797 ± 0.0017 Å
• b: 12.741 ± 0.002 Å
• c: 13.371 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1410.5 ± 0.4 ų
• Cell temperature: 100 ± 2 K
• Ambient diffraction temperature: 100 ± 2 K
• Number of distinct elements: 5
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21
• Hall space group symbol: P 2ac 2ab
• Residual factor for all reflections: 0.0278
• Residual factor for significantly intense reflections: 0.0259
• Weighted residual factors for significantly intense reflections: 0.0621
• Weighted residual factors for all reflections included in the refinement: 0.0628
• Goodness-of-fit parameter for all reflections included in the refinement: 1.058
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes