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金属络合物低聚物手性特征的VCD研究

VCD studies on chiral characters of metal complex oligomers.

作者信息

Sato Hisako, Yamagishi Akihiko

机构信息

Department of Chemistry, Graduate School of Science and Engineering, Ehime University, Matsuyama 790-8577, Japan.

出版信息

Int J Mol Sci. 2013 Jan 7;14(1):964-78. doi: 10.3390/ijms14010964.

DOI:10.3390/ijms14010964
PMID:23296273
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3565301/
Abstract

The present article reviews the results on the application of vibrational circular dichroism (VCD) spectroscopy to the study of stereochemical properties of chiral metal complexes in solution. The chiral characters reflecting on the vibrational properties of metal complexes are revealed by measurements of a series of β-diketonato complexes with the help of theoretical calculation. Attention is paid to the effects of electronic properties of a central metal ion on vibrational energy levels or low-lying electronic states. The investigation is further extended to the oligomers of β-diketonato complex units. The induction of chiral structures is confirmed by the VCD spectra when chiral inert moieties are connected with labile metal ions. These results have demonstrated how VCD spectroscopy is efficient in revealing the static and dynamic properties of mononuclear and multinuclear chiral metal complexes, which are difficult to clarify by means of other spectroscopes.

摘要

本文综述了振动圆二色性(VCD)光谱在研究溶液中手性金属配合物立体化学性质方面的应用成果。借助理论计算,通过对一系列β-二酮配合物的测量,揭示了反映在金属配合物振动性质上的手性特征。关注中心金属离子电子性质对振动能级或低电子态的影响。研究进一步扩展到β-二酮配合物单元的低聚物。当手性惰性部分与不稳定金属离子相连时,VCD光谱证实了手性结构的诱导。这些结果表明了VCD光谱在揭示单核和多核手性金属配合物的静态和动态性质方面是多么有效,而这些性质很难通过其他光谱仪来阐明。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/2c44b07e2f41/ijms-14-00964f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/0c3af13e65c4/ijms-14-00964f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/388d10754dc7/ijms-14-00964f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/d6bff03185c1/ijms-14-00964f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/3a39d00c362e/ijms-14-00964f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/ef26c67c1228/ijms-14-00964f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/033f4318820b/ijms-14-00964f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/e4d990bf4f8d/ijms-14-00964f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/03af12da882a/ijms-14-00964f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/8d9056921c61/ijms-14-00964f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/2c44b07e2f41/ijms-14-00964f10.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/0c3af13e65c4/ijms-14-00964f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/388d10754dc7/ijms-14-00964f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/d6bff03185c1/ijms-14-00964f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/3a39d00c362e/ijms-14-00964f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/ef26c67c1228/ijms-14-00964f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/033f4318820b/ijms-14-00964f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/e4d990bf4f8d/ijms-14-00964f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/03af12da882a/ijms-14-00964f8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/8d9056921c61/ijms-14-00964f9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/d346/3565301/2c44b07e2f41/ijms-14-00964f10.jpg

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