Zhu Fang-Hua, Yang Jun-Xiao, Zhang Lin, Xie Ru-Gang
Acta Crystallogr Sect E Struct Rep Online. 2008 Jan 11;64(Pt 2):o433. doi: 10.1107/S1600536807058114.
In the title compound, C(15)H(17)N(2) (+)·Br(-), the cyclo-butene and benzene rings are coplanar. The dihedral angle between the benzene and imidazolium rings is 21.2 (3)°. In the crystal structure, the C(15)H(17)N(2) (+) and Br(-) ions are linked into a zigzag chain along the b axis by C-H⋯Br hydrogen bonds, and weak C-H⋯π inter-actions involving the benzene ring of a screw-related cation.
在标题化合物C(15)H(17)N(2) (+)·Br(-)中，环丁烯环和苯环共面。苯环与咪唑鎓环之间的二面角为21.2 (3)°。在晶体结构中，C(15)H(17)N(2) (+)和Br(-)离子通过C-H⋯Br氢键沿b轴连接成之字形链，并且存在涉及一个螺旋相关阳离子苯环的弱C-H⋯π相互作用。
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