Information card for entry 2021966

Structure parameters

• Chemical name: Poly[[diaquabis(μ~4~-1<i>H</i>-benzimidazole-5,6-dicarboxylato-κ^6^<i>N</i>^3^:<i>O</i>^5^,<i>O</i>^5'^:<i>O</i>^5^,<i>O</i>^6^:<i>O</i>^6'^)(μ~2~-oxalato-κ^4^<i>O</i>^1^,<i>O</i>^2^:<i>O</i>^1'^,<i>O</i>^2'^)dieuropium(III)] dihydrate]
• Formula: C20 H16 Eu2 N4 O16
• Calculated formula: C20 H16 Eu2 N4 O16
• Title of publication: Anion-directed assemblies of europium(III) coordination polymers based on 1<i>H</i>-benzimidazole-5,6-dicarboxylate: structures and luminescence properties
• Authors of publication: Zheng, Wenxu; Wu, Kechen
• Journal of publication: Acta Crystallographica Section C
• Year of publication: 2020
• Journal volume: 76
• Journal issue: 2
• a: 7.49 ± 0.0015 Å
• b: 9.42 ± 0.0019 Å
• c: 9.6533 ± 0.0019 Å
• α: 117.97 ± 0.03°
• β: 93.19 ± 0.03°
• γ: 99.12 ± 0.03°
• Cell volume: 587.3 ± 0.3 ų
• Cell temperature: 293 ± 2 K
• Ambient diffraction temperature: 293.15 K
• Number of distinct elements: 5
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Residual factor for all reflections: 0.0452
• Residual factor for significantly intense reflections: 0.0387
• Weighted residual factors for significantly intense reflections: 0.0747
• Weighted residual factors for all reflections included in the refinement: 0.0795
• Goodness-of-fit parameter for all reflections included in the refinement: 1.104
• Diffraction radiation wavelength: 0.71073 Å
• Diffraction radiation type: MoKα
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: Yes