Bis[(E)-1-methyl-4-styrylpyridinium] 4-bromobenzenesulfonate iodide
نویسندگان
چکیده
In the title compound, 2C(14)H(14)N(+)·C(6)H(4)BrO(3)S(-)·I(-), two crystallographically independent cations exist in an E configuration with respect to the C=C ethenyl bond. One cation is approximately planar, whereas the other is twisted slightly, the dihedral angles between the pyridinium and phenyl rings of each cation being 0.96 (15) and 7.05 (16)°. In the crystal structure, the cations are stacked in an anti-parallel manner along the a axis through weak C-H⋯π inter-actions and π-π inter-actions, with centroid-centroid distances of 3.5544 (19) and 3.699 (2) Å. The 4-bromobenzene-sulfonate anions and the cations are linked together by weak C-H⋯O inter-actions. A short Br⋯I contact [3.6373 (4) Å] and C-H⋯I interactions are also observed.
منابع مشابه
Bis[(E)-1-methyl-4-styrylpyridinium] 4-chlorobenzenesulfonate iodide
In the title compound, 2C(14)H(14)N(+)·C(6)H(4)ClO(3)S(-)·I(-), each cation exists in an E configuration with respect to the ethenyl bond. The dihedral angle between the pyridinium and benzene rings is 3.98 (6)° in one of the cations and 9.88 (7)° in the other. The two cations are arranged in an anti-parallel manner with π-π inter-actions between pyridinium and benzene rings [centroid-centroid ...
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In the title compound, C(14)H(14)N(+)·I(-), the cation exists in an E configuration with respect to the ethenyl bond and is slightly twisted, the inter-planar angle between the pyridinium and phenyl rings of the cation being 4.8 (2)°. In the crystal packing, the cations are stacked in an anti-parallel fashion along the a axis by a π-π inter-action involving both pyridinium and phenyl rings; the...
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عنوان ژورنال:
دوره 66 شماره
صفحات -
تاریخ انتشار 2010