Crystal structure of 4,4′-(ethene-1,2-diyl)dipyridinium bis(3-carboxybenzenesulfonate)
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چکیده
In the title mol-ecular salt, C12H12N2 (2+)·2C7H5O5S(-), the complete dication is generated by crystallographic inversion symmetry. In the anion, the sulfonic acid group is deprotonated and the dihedral angle between the planes of the carb-oxy-lic acid group and the benzene ring is 12.41 (11)°. In the crystal, the anions are linked into inversion dimers by pairs of O-H⋯O hydrogen bonds, which generate R 2 (2)(16) loops. The dications link the anion dimers into [10-2] chains via N-H⋯O hydrogen bonds.
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catena-Poly[(E)-4,4′-(ethene-1,2-diyl)dipyridinium [[bis(thiocyanato-κN)ferrate(II)]-di-μ-thiocyanato-κ2 N:S;κ2 S:N]]
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