Spectra of Linear Polyene Molecule-canthaxanthin  

作　　者：OUYANG Shun-li LI Zuo-wei CHEN Yuan-zheng MEN Zhi-wei WU Nan-nan SUN Cheng-lin 

机构地区：[1]State Key Laboratory of Superhard Materials [2]College of Physics, Jilin University, Changehun 130012, P. R. China, [3]State Key Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Changehun 130021, P. R. China

出　　处：《Chemical Research in Chinese Universities》2011年第4期661-663,共3页高等学校化学研究（英文版）

基　　金：Supported by the National Natural Science Foundation of China(No.10974067);the Natural Science Foundation of Jilin Province,China(No.20101508);the Technology Development Projects of Jilin Province,China(No.20090534)

摘　　要：Raman spectra and ultraviolet-visible（UV-Vis） absorption spectra of linear polyene molecule-canthaxan-thin in n-hexane are measured and analyzed.In addition,the optimized structure of canthaxanthin was calculated via density functional theory（DFT） functional B3LYP.With decreasing the concentration,Raman scattering cross section （RSCS） of fundamental frequency is extremely high,and the UV-Vis absorption bands become narrower.The results of coherent weakly damped electron-Lattice vibration model were analyzed.Raman spectra and ultraviolet-visible（UV-Vis） absorption spectra of linear polyene molecule-canthaxan-thin in n-hexane are measured and analyzed.In addition,the optimized structure of canthaxanthin was calculated via density functional theory（DFT） functional B3LYP.With decreasing the concentration,Raman scattering cross section （RSCS） of fundamental frequency is extremely high,and the UV-Vis absorption bands become narrower.The results of coherent weakly damped electron-Lattice vibration model were analyzed.

关 键 词：Raman spectroscopy Ultraviolet-visible absorption spectrum CANTHAXANTHIN 

分 类 号：O657.37[理学—分析化学] S816.7[理学—化学]