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Information card for 2015236

2015235 << 2015236 >> 2015237

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Coordinates

2015236.cif

Structure factors

2015236.hkl

Original IUCr paper

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Structure parameters

Chemical name 4,4'-bipyridinium 2,5-dicarboxybenzene-1,4-dicarboxylate 1.8-hydrate
Formula - C20 H17.6 N2 O9.8 -
Calculated formula - C20 H17.596 N2 O9.798 -
Title of publication Neutron diffraction studies of the 1:1 and 2:1 cocrystals of benzene-1,2,4,5-tetracarboxylic acid and 4,4'-bipyridine
Authors of publication Cowan, John A.; Howard, Judith A. K.; Mason, Sax A.; McIntyre, Garry J.; Lo, Samuel M.-F.; Mak, Toby; Chui, Stephen S.-Y.; Cai, Jiwen; Cha, John A.; Williams, Ian D.
Journal of publication Acta Crystallographica, Section C
Year of publication 2006
Journal volume 62
Journal issue 4
Pages of publication o157 - o161
a 3.7747 ± 0.0002 Å
b 10.8587 ± 0.0005 Å
c 11.9519 ± 0.0006 Å
α 99.626 ± 0.003°
β 97.726 ± 0.003°
γ 95.515 ± 0.003°
Cell volume 475.07 ± 0.04 Å3
Cell temperature 215 ± 2 K
Ambient diffraction temperature 215 ± 2 K
Number of distinct elements 4
Hermann-Mauguin symmetry space group P -1
Residual factor for all reflections 0.046
Residual factor for observed reflections 0.0362
Weighted residual factors for the observed reflections 0.0763
Weighted residual factors for all reflections included in the refinement 0.0805
Goodness-of-fit parameter for observed reflections 1.055
Diffraction radiation wavelength 1.302 Å
Diffraction radiation type neutron
Has coordinates Yes
Has disorder Yes
Has Fobs Yes

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