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设计了负离子与２，４－二苯基－１，３－环丁烯二酮（Ｓｑ）的作用模型，用ＡＭ１方法研究了Ｆ－，Ｃｌ－，Ｂｒ－，Ｏ２－，Ｓ２－等负离子与Ｓｑ的相互作用．结果表明，负离子对体系具有稳定化作用，离子电荷、离子极化性和取代基效应等对亲电作用有显著的影响
The mode of action of negative ions and 2,4-diphenyl-1,3-cyclobutene dione (Sq) was designed. The negative ions such as F-, Cl-, Br-, O2- and S2- Sq interaction. The results show that the negative ions have a stabilizing effect on the system, and ionic charges, ionic polarizabilities and substituent effects have a significant effect on electrophilicity