Aromatic Nucleophilic Substitution. VII. Electronic Structure of 1,1-Disubstituted 2,4-Dinitronaphthalene Meisenheimer Complexes
作者:Shizen Sekiguchi、Kinzo Tsutsumi、Haruo Shizuka、Kohji Matsui、Takeshi Itagaki
DOI:10.1246/bcsj.49.1521
日期:1976.6
The electronic structures of 1,1-disubstituted 2,4-dinitronaphthalene Meisenheimer complexes were studied by UV-visible and infrared spectrometry and compared with the results calculated by a semiempirical SCF-MO-CI method. The electronic transitions in the complexes were assigned to those of π-π*. Calculated transition energies and intensities agree well with the observed values. The infrared spectra
1,1-二取代2,4-二硝基萘Meisenheimer 配合物的电子结构通过紫外-可见光和红外光谱进行了研究,并与半经验SCF-MO-CI 方法计算的结果进行了比较。配合物中的电子跃迁指定为 π-π* 的电子跃迁。计算出的跃迁能量和强度与观测值非常吻合。配合物的红外光谱表明该配合物不是电荷转移配合物或自由基阴离子,而是阴离子σ配合物。