Raman spectrum is about to molecular vibration and rotation, because Raman spectrum is involved in molecular structure, the information of molecular structure can be got by the investigation of molecular Raman spectrum. 拉曼光谱属于分子的振动和转动光谱,由于其与分子结构有关,所以研究分子的拉曼光谱可以得到分子结构的信息。