Information card for entry 2011816

Structure parameters

• Formula: C8 H4 Cu N2 O4
• Calculated formula: C8 H4 Cu N2 O4
• Title of publication: Poly[copper(II)-μ-pyrazine-μ~3~-squarato]
• Authors of publication: Näther, Christian; Jeß, Inke
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2001
• Journal volume: 57
• Journal issue: 3
• Pages of publication: 260 - 261
• a: 7.3003 ± 0.0004 Å
• b: 6.8114 ± 0.0004 Å
• c: 15.6135 ± 0.0011 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 776.39 ± 0.08 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293 ± 2 K
• Number of distinct elements: 5
• Space group number: 62
• Hermann-Mauguin space group symbol: P n m a
• Hall space group symbol: -P 2ac 2n
• Residual factor for all reflections: 0.0397
• Residual factor for significantly intense reflections: 0.0356
• Weighted residual factors for all reflections included in the refinement: 0.099
• Goodness-of-fit parameter for all reflections included in the refinement: 1.064
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes