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首页> 外文期刊>Crystal growth & design >Cadmium-porphyrin coordination networks: Rich coordination modes and three-dimensional four-connected CdSO4 and (3,5)-connected hms nets
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Cadmium-porphyrin coordination networks: Rich coordination modes and three-dimensional four-connected CdSO4 and (3,5)-connected hms nets

机译：镉-卟啉配位网络：丰富的配位模式和三维四连接的CdSO4和（3,5）连接的hms网络

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摘要

Functionalized tetraarylporphyrin molecules have been widely used as ligands for the design of supramolecular coordination arrays. Even though a large number of porphyrin coordination compounds have been synthesized, three-dimensional networks are still less common. Here we report the hydrothermal synthesis and structure characterizations of four cadmium-porphyrin compounds based on meso-tetra(4-pyridyl)porphyrin (H2TPyP). In these structures, both cadmium and porphyrin exhibit rich coordination chemistry. The porphyrin molecule displays four types of coordination modes in which each porphyrin molecule bonds to one, two, four, and five cadmium sites. The Cd2+ site shows equally diverse coordination modes and exists in five different coordination environments. The porphyrin molecules are connected through Cd2+ cations or Cd-3(SC2H2OH)(2)(4+) clusters into molecular (Cd-TPyP-1), two-dimensional (Cd-TPyP-4), and three-dimensional networks (Cd-H2TPyP-2 and Cd-TPyP-3). Three-dimensional frameworks are of particular interest because they adopt interesting and rare framework topologies (cds and hms types).
机译：功能化的四芳基卟啉分子已被广泛用作设计超分子配位阵列的配体。即使已经合成了大量的卟啉配位化合物，三维网络仍然不那么普遍。在这里我们报告水热合成和结构表征的四个镉-卟啉化合物基于介孔四（4-吡啶基）卟啉（H2TPyP）。在这些结构中，镉和卟啉均显示出丰富的配位化学。卟啉分子显示四种类型的配位模式，其中每个卟啉分子与一个，两个，四个和五个镉位键合。 Cd2 +网站显示了同样不同的协调模式，并且存在于五个不同的协调环境中。卟啉分子通过Cd2 +阳离子或Cd-3（SC2H2OH）（2）（4+）簇连接成分子（Cd-TPyP-1），二维（Cd-TPyP-4）和三维网络（ Cd-H2TPyP-2和Cd-TPyP-3）。三维框架特别受关注，因为它们采用有趣且稀有的框架拓扑（cds和hms类型）。

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