Entangled coordination networks with inherent features of polycatenation, polythreading, and polyknotting.
Entangled coordination networks with inherent features of polycatenation, polythreading, and polyknotting.
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DOI：
10.1002/anie.200501373
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发表时间：
2005-09
影响因子：
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通讯作者：
Xinlong Wang;C. Qin;E. Wang;Yang-guang Li;Z. Su;Lin Xu;L. Carlucci
中科院分区：
文献类型：
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作者：
Xinlong Wang;C. Qin;E. Wang;Yang-guang Li;Z. Su;Lin Xu;L. Carlucci
配位聚合物框架结构的研究不仅源于其在微电子学、非线性光学、多孔材料和催化等领域的潜在应用，而且还源于其具有的各种拓扑结构和纠缠基序。[1]互穿是研究最多的纠缠类型，如Batten和Robson的两篇综合评论所示。[2]最近，对CSD数据库中包含的所有三维互穿结构进行了完整的分析，并对互穿结构的拓扑结构进行了合理化和分类。[3]文献中报道的配位聚合物的数量不断增加，导致在多链、多线和多结物种中认识到新的和更复杂的缠结类型[2b，4，5]，这些物种分别令人想起分子索烃、轮烷和结。根据Ciani和同事的说法，[5]多链接与互穿的不同之处在于整个链接阵列具有比组成基序更高的维度，每一个单独的主题只与周围的主题相连，而不是与所有其他的主题相连。多线结构的特征在于存在闭合环以及可以穿过环的元素，并且可以被认为是分子轮烷和伪轮烷的扩展周期类似物，这取决于被解脱的“理想”可能性。多结是自穿透网络的典型特征，即单网具有最小拓扑环的特性
The current interest in coordination polymer frameworks not only stems from their potential applications in microelectronics, nonlinear optics, porous materials, and catalysis, but also from their intriguing variety of topologies and entanglement motifs.[1] Interpenetration has been the most investigated type of entanglement, as shown by the two comprehensive reviews by Batten and Robson.[2] More recently, a complete analysis of all the 3D interpenetrated structures contained in the CSD database was also carried out with a rationalization and classification of the topology of the interpenetration.[3] The increasing number of coordination polymers reported in the literature has led to new and more complex types of entanglement being recognized [2b, 4, 5] in polycatenated, polythreaded, and polyknotted species that are reminiscent of molecular catenanes, rotaxanes, and knots, respectively.According to Ciani and co-workers,[5] polycatenation differs from interpenetration in that the whole catenated array has a higher dimensionality than that of the component motifs, and that each individual motif is catenated only with the surrounding ones and not with all the others. Polythreaded structures are characterized by the presence of closed loops, as well as of elements that can thread through the loops, and can be considered as extended periodic analogues of molecular rotaxanes and pseudorotaxanes, depending on the “ideal” possibility of being extricated. Polyknotting is typical of self-penetrating nets, that is, single nets having the peculiarity that the smallest topological rings