（E）-4-[4-（二甲基氨基）苯乙烯基]-1-甲基吡啶鎓 4-溴苯磺酸盐
(E)-4-[4-(Dimethyl-amino)styr-yl]-1-methyl-pyridinium 4-bromo-benzene-sulfonate.
作者信息
Chantrapromma Suchada, Jansrisewangwong Patcharaporn, Musor Rusmeenee, Fun Hoong-Kun
出版信息
Acta Crystallogr Sect E Struct Rep Online. 2009 Jan 8;65(Pt 2):o217-8. doi: 10.1107/S1600536808043547.
In the title compound, C(16)H(19)N(2) (+)·C(6)H(4)BrO(3)S(-), the cation is nearly planar, with a dihedral angle of 3.19 (15)° between the pyridinium and the dimethylaminophenyl rings, and exists in the trans configuration. In the crystal packing, the cations and anions are linked into chains parallel to the c axis. These chains are stacked along the b axis. The crystal is stabilized by weak C-H⋯O and C-H⋯π inter-actions, and a π-π inter-action is also observed with a Cg⋯Cg distance of 3.5675 (19) Å.
在标题化合物C(16)H(19)N(2) (+)·C(6)H(4)BrO(3)S(-)中，阳离子近乎平面，吡啶鎓环与二甲基氨基苯环之间的二面角为3.19 (15)°，且以反式构型存在。在晶体堆积中，阳离子和阴离子连接成平行于c轴的链。这些链沿b轴堆积。晶体通过弱的C-H⋯O和C-H⋯π相互作用得以稳定，并且还观察到一种π-π相互作用，其Cg⋯Cg距离为3.5675 (19) Å。
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