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首页> 外文期刊>Chemistry: A European journal >Metal Nuclearity Modulated Four-,Six-,and Eight-Connected Entangled Frameworks Based on Mono-,Bi-,and Trimetallic Cores as Nodes
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Metal Nuclearity Modulated Four-,Six-,and Eight-Connected Entangled Frameworks Based on Mono-,Bi-,and Trimetallic Cores as Nodes

机译：基于单，双和三金属核为节点的金属核调制四，六和八连接纠缠框架

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To investigate the relationship between network connectivity and metal nuclearity,we designed and synthesized a series of three-dimensional(3D)entangled coordination frameworks based on different metal cores,namely[Zn_2(bdc)_2(L)_2]centre dot 2H_2O(1),[Zn-(bdc)(L)_(0.5)](2),[Zn(oba)(L)_(0.5)](3)and[Cd_3(bdc)_3(L)_2(H_2O)_2](4)by self-assembly of d~(10)metal salts with the flexible long-chain ligand l,4-bis(1,2,4-tri-azol-1-yl)butane(L),and with the rigid and nonrigid aromatic dicarboxylate li-gands 1,4-benzenedicarboxylate(bdc)and 4,4'-oxybis(benzoate)(oba).Compound 1 exhibits a threefold interpenetrated diamondoid array typically based on a tetrahedral second building unit(SBU)at a single Zn center.Compound 2 adopts a threefold interpenetrated alpha-polonium-type network that is built from bimetallic cores as six-connected vertices.The structure of 3 also consists of dinuclear units;it comprises a novel(3,4)-connected threefold interpenetrated net with complex(4 centre dot 6 centre dot 10)-(4 centre dot 6~2 centre dot 10~3)topology when single zinc centers act as four-connected nodes(or the alpha-Po topology if dinuclear units are considered as six-connected nodes).Compound 4,derived from a cross-linked fivefold interpenetrated diamond-like substructure,is an unusual example of a self-penetrating coordination framework displaying an unprecedented eight-connected 4~(20)6~8 topology with trinuclear cadmium clusters as eight-connected nodes which,to our knowledge,not only defines a new topology for eight-connected coordination networks,but also represents the highest connected topology presently known for self-penetrating systems.Detailed structural comparison of these complexes indicates that the increase in metal nuclearity induces the progressive increase in the connectivities of the ultimate nets:that is,the metal nuclearity plays a significant role in tuning the connectivity of a specific network.The thermal and luminescent properties of these compounds are discussed.
机译：为了研究网络连通性与金属核之间的关系，我们设计并合成了一系列基于不同金属核的三维（3D）纠缠协调框架，即[Zn_2（bdc）_2（L）_2]中心点2H_2O（1） ），[Zn-（bdc）（L）_（0.5）]（2），[Zn（oba）（L）_（0.5）]（3）和[Cd_3（bdc）_3（L）_2（H_2O） _2]（4）通过将d〜（10）金属盐与柔性长链配体l，4-双（1,2,4-三唑-1-基）丁烷（L）进行自组装，以及化合物1具有刚性和非刚性的芳族二羧酸盐配体1,4-苯二羧酸盐（bdc）和4,4'-氧双（苯甲酸酯）（oba）。化合物1具有三重互穿的类金刚石阵列，通常基于四面体第二建筑单元（SBU）化合物2采用三重互穿的α-pol型网络，该网络由双金属核构建为六个连接的顶点.3的结构还由双核单元组成;它构成了一种新颖的（3,4）三重互穿互复网络（4中心点6中心t 10）-（4个中心点6〜2个中心点10〜3）拓扑，当单个锌中心充当四个连接的节点时（如果将双核单元视为六个连接的节点，则为alpha-Po拓扑）。化合物4，自交联的五重互穿的类金刚石子结构派生而来，是一个自穿透协调框架的不寻常示例，它显示了前所未有的八连接的4〜（20）6〜8拓扑，其中三核镉簇作为八连接的节点，据我们所知，不仅定义了八连接协作网络的新拓扑，而且还代表了自穿透系统目前已知的最高连接拓扑。这些配合物的详细结构比较表明，金属核的增加会导致金属核的逐步增加。最终网络的连通性：即金属核在调节特定网络的连通性中起着重要作用。这些化合物的热和发光性质ssed。

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