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优先π堆积的证据:分子间和分子内电荷转移配合物的研究。

Evidence of preferential pi-stacking: a study of intermolecular and intramolecular charge transfer complexes.

机构信息

Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL 33124, USA.

出版信息

Chem Commun (Camb). 2010 Aug 14;46(30):5464-6. doi: 10.1039/c0cc00249f. Epub 2010 Jul 2.

DOI:10.1039/c0cc00249f
PMID:20601985
Abstract

Nine combinations of pi-electron donors and acceptors were examined by UV-vis, fluorescence and (1)H-NMR spectroscopy to identify pi-stacked charge transfer complexes in macromolecular and supramolecular constructs. The high association constant of pyrene and naphthalene diimide suggests a preferentially pi-stacking pair rationalized by frontier orbital congruence.

摘要

通过紫外可见光谱、荧光光谱和(1)H-NMR 光谱研究了 9 种π-电子给体和受体的组合,以鉴定大分子和超分子结构中的π-堆积电荷转移配合物。芘和萘二酰亚胺的高缔合常数表明,优先π-堆积对由前线轨道一致性合理化。

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