节点文献
1,4-二[2-(4-吡啶基)乙烯基]苯结构与振动光谱的HF和DFT研究
Molecular Structure and Vibrational Spectra of 1, 4-Bis[2-(4-Pyridyl) Ethenyl]-Benzene Using HF and Density Functional Theory
【Author】 LU Jia-ping, CHENG Jian-bo , GONG Bao-an Science and Engineering College of Chemistry and Biology, Yantai University, Yantai 264005, China
【机构】 烟台大学化学生物理工学院;
【摘要】 用HF和五种常用密度泛函理论方法计算1,4-二[2-(4-吡啶基)乙烯基]苯(BPENB)分子的优化构型和谐振频率,并同实验结果进行了比较。Hartree-Fock(HF)方法的结果同实验数值相差很大。在密度泛函 (DFT)方法中,BLYP得到的结果最好,再现了实验观测的频率。
【Abstract】 The optimized molecular structure and harmonic vibrational frequencies of 1, 4-Bis[2-(4-Pyridyl) Ethenyl]-Benzene (BPENB) molecule were calculated by using the Hartree-Fock (HF) and density functional theory (DFT) methods. On the basis of the comparison between calculated and experimental results, the assignments of fundamental vibrational modes were examined. For the DFT methods, BPW91 reproduces the observed fundamental frequencies most satisfactorily.
【Key words】 BPENB; HF; DFT; Molecular structure; Vibrational spectra;
- 【会议录名称】 第十四届全国分子光谱学术会议论文集
- 【会议名称】第十四届全国分子光谱学术会议
- 【会议时间】2006-07
- 【会议地点】中国吉林长春
- 【分类号】O626.32
- 【主办单位】中国化学会物理化学委员会、中国光学会光谱委员会、吉林大学超分子结构与材料教育重点实验室