期刊
COORDINATION CHEMISTRY REVIEWS
卷 255, 期 23-24, 页码 2821-2859出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ccr.2011.05.019
关键词
Lead(II); Supramolecular; Carboxylate; Nano-structure; Coordination polymer; Lone-pair stereoactivity
资金
- National Natural Science Foundation of China [21071111]
- Zhejiang Provincial Education Department [Y200907137]
- Tarbiat Modares University of Iran
In recent years, the chemistry of metal-coordination polymers has been advanced due to their diverse topologies and potential applications in smart optoelectronic, magnetic, microporous and biomimetic materials with specific structures, properties, and reactivities. Metal carboxylates have emerged as a large family of open framework materials. Recently, metal carboxylate chemistry has enhanced because of the increasing importance of hybrid inorganic-organic compounds with potential applications in separation, catalysis, and gas storage. So far, research on coordination polymers has considerably been concentrated on incorporation of s-, d-, and even f-block metal ions as coordination centers. As a heavy p-block metal ion, lead(II), with its large radius, flexible coordination environment, and variable stereochemical activity, is suitable for formation of unusual network topologies with interesting properties. This review provides an overview of all lead(II) carboxylate supramolecular compounds reported since 1990 and an investigation of their coordination modes, properties and structures. The variety of coordination modes of carboxylate groups increase the strength and stability of the resulting architectures. These modes include (eta(1)), (mu(2)-eta(1):eta(1)), (eta(2)), (mu(2)-eta(2)), (mu(3)-eta(1):eta(2)), (mu(3)-eta(1):eta(2)), (mu(2)-eta(2):eta(1)), (mu(3)-eta(1):eta(2):eta(1)) and (mu(4)-eta(2):eta(2)) that have created multiplicity polymeric structures with different dimensions. In this study it was found that carboxylate groups in many of lead(II) coordination polymers form more than a single type of coordination mode and among all of these modes maximum number belonged to chelating (eta(2)) mode. (C) 2011 Elsevier B.V. All rights reserved.
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