Electronic spectra of tetrathiafulvalene and its radical cation:: analysis of the performance of the time-dependent DFT approach

被引:44
作者
Pou-Amérigo, R [1 ]
Viruela, PM [1 ]
Viruela, R [1 ]
Rubio, M [1 ]
Ortí, E [1 ]
机构
[1] Univ Valencia, Inst Ciencia Mol, Dept Quim Fis, ES-64100 Valencia, Spain
关键词
D O I
10.1016/S0009-2614(01)01484-1
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
The electronic spectra of tetrathiafulvalene and its radical cation have been studied within the framework of the time-dependent density functional theory by using a conventional hybrid functional. The behaviour of the method has been analyzed through the computed vertical excitation energies for the low-lying electronic excited states. Although the procedure provides a correct description of many of the features of the spectra., deviations in the range 0.4-0.7 eV have been obtained for several transitions, from which one can conclude misleading assignments. (C) 2002 Elsevier Science B.V. All rights reserved.
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收藏
页码:491 / 498
页数:8
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