摘要
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。
On the basis of AM1 method, the interactions between the squaraines and the anions, such as F\+-, Cl\+-, Br\+-, O\+\{2-\}, S\+\{2-\}, etc., have been studied by means of the proposed model in which the anion approaches vertically the center of the four\|membered rings of the squaraine. The calculated results suggest that the squaraines are characterized by the particular electron\|defect rings and tend to act upon the electron\|rich anions. The strength of these action is related to the charges and polarizabilities of the anions and is improved by the introduction of electron withdrawing groups.\=
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
1999年第3期450-453,共4页
Chemical Journal of Chinese Universities
基金
国家自然科学基金