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Ab initio calculations on the intramolecular electron transfer rates of a bis(hydrazine) radical cation

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Ab initio calculations on the intramolecular electron transfer rates of a bis(hydrazine) radical cation.htm (392bytes)
发布日期
2008-08
作者
Zhang, Weiwei( Univ Sci & Technol China, Dept Chem Phys)
Zhu, Wenjuan( Univ Sci & Technol China, Dept Chem Phys)
Liang, WanZhen( Univ Sci & Technol China, Dept Chem Phys)
Zhao, Yi
赵仪
Nelsen, Stephen F.( Univ Wisconsin, Dept Chem)
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  • 化学化工-已发表论文 [14469]
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摘要
Electron transfer (ET) rates of a charge localized (Class II) intervalence radical cation of a bis(hydrazine) are investigated theoretically. First, the intramolecular ET parameters, i.e., reorganization energy, electronic coupling, and effective frequency, are calculated using several ab initic, approaches. And then, the extended Sumi-Marcus theory is employed to predict ET rates by using the parameters obtained. The results reveal that the rates of three isomers of [22/hex/22](+), oo(+)[22/hex/22](+), io(+)[22/hex/22](+), and oi(+)[22/hex/22](+), are agreement with the experiment quite well while the rate, of isomer ii(+)[22/hex/22](+) is about 1000 times larger than those of the others. The validity of different ab initio approaches for this system is discussed.
出处
J. Phys. Chem. B, 2008, 112 (35): 11079–11086
本条目访问地址(URI)
http://dx.doi.org/doi:10.1021/jp8036507
https://dspace.xmu.edu.cn/handle/2288/2629

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