镧（Ⅲ）与半乳糖醇两种配合物的傅里叶变换红外光谱和傅里叶变换拉曼光谱研究

[FTIR and FT-Raman spectroscopic investigation on two complexes of La3+ with galactitol].

作者信息

Su Yun-lan, Yang Li-min, Liu Wei, Weng Shi-fu, Wu Jin-guang

机构信息

State Key Laboratory of Rare Earth Materials Chemistry and Applications, Department of Chemical Biology, College of Chemistry, Peking University, Beijing 100871, China.

出版信息

Guang Pu Xue Yu Guang Pu Fen Xi. 2002 Jun;22(3):401-2.

PMID:12938315

Abstract

FTIR and Raman spectroscopy were used to investigate the two complexes of LaCl3 with galactitol in this paper. The results shows that La ion can complex with galactitol in 1:1 and 2:1 proportion. The FTIR and Raman spectra of the two complexes both exist some differences that prove LaCl3 and galactitol really form two different complexes. In the FTIR spectra nu OH is strong peaks and nu CH peaks are very weak whereas nu CH pband become stronger than nu OH peaks. So FTIR and Raman spectra can provide complementary information.

摘要

本文利用傅里叶变换红外光谱（FTIR）和拉曼光谱研究了LaCl₃与半乳糖醇形成的两种配合物。结果表明，La离子能以1:1和2:1的比例与半乳糖醇形成配合物。两种配合物的FTIR光谱和拉曼光谱均存在一些差异，这证明LaCl₃与半乳糖醇确实形成了两种不同的配合物。在FTIR光谱中，νOH为强峰，νCH峰非常弱，而νCH峰带变得比νOH峰更强。因此，FTIR光谱和拉曼光谱可以提供互补信息。