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2,4,6-TNT晶体电子结构的密度泛函理论研究 被引量:3

DFT study on the electronic structure of crystalline 2,4,6-TNT
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摘要 采用密度泛函理论(DFT)对2,4,6-三硝基甲苯(TNT)晶体的分子结构及电子结构进行了理论研究,探讨了TNT晶体的分子结构以及费米能附近的能带结构和原子的投影态密度(PDOS),并分析了TNT分子间的相互作用以及分子内和分子间的氢键作用.同时还利用Gaussian98程序包对单个TNT分子结构进行了B3P86/6-31g**水平的优化计算,分析了单个TNT分子和晶体中TNT分子的差异. Theoretical study on molecular and electronic structure of 2, 4, 6-trinitrotoluene (TNT) crystal is carried out based on density function theory(DFT). The TNT crystalline structure and the bands structure near Fermi energy and projected density of state(PDOS) have been investigated, and the intra-and intermolecular hydrogen bonds and other interaction have been analysed. Further more the single molecular structure is optimized used Gaussian98 procedure at B3P86/6-31g^** level, and the structure difference of molecular structure in single form and in crystal is discussed.
出处 《四川大学学报(自然科学版)》 CAS CSCD 北大核心 2008年第2期363-366,共4页 Journal of Sichuan University(Natural Science Edition)
基金 国家自然科学基金(10676025)
关键词 2 4 6-三硝基甲苯 电子结构 能带 PDOS 2,4,6-trinitrotoluene, electronic structure, bands of energy, PDOS
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参考文献10

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