Ab initio molecular orbital study of dinitrobenzene radical anions

被引:8
|
作者
Kayanuma, Megumi [1 ]
Hosoi, Haruko [1 ]
Furuya, Akiko [1 ]
Masuda, Yuichi [1 ]
Takano, Keiko [1 ]
机构
[1] Ochanomizu Univ, Dept Chem & Biochem, Grad Sch Humanities & Sci, Bunkyo Ku, Tokyo 1128610, Japan
关键词
ELECTRON SPIN RESONANCE; ALTERNATING LINEWIDTHS; EXCHANGE KINETICS; 1,3-DINITROBENZENE; SPECTRA; ESR; TEMPERATURE; CRYSTAL;
D O I
10.1016/j.cplett.2010.05.082
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A theoretical study of 1,3-dinitrobenzene (DNB) radical anion, which exhibits an intramolecular electron transfer reaction in solution, is reported. The geometries of 1,3-DNB and 1,4-DNB radical anions have been optimized as isolated species to reveal their intrinsic properties by using CASSCF theory with the aug-cc-pVDZ basis set. Single-point energy calculations have been carried out at the CASPT2 and CCSD(T) levels. It is demonstrated that the 1,3-DNB radical anion is slightly more stable as an electronically localized structure in the absence of solvent, whereas the 1,4-DNB radical anion has a delocalized structure. (C) 2010 Elsevier B. V. All rights reserved.
引用
收藏
页码:139 / 143
页数:5
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