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首页> 外文期刊>Crystal growth & design >Control of Interpenetration in Two-Dimensional Metal-Organic Frameworks by Modification of Hydrogen Bonding Capability of the Organic Bridging Subunits
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Control of Interpenetration in Two-Dimensional Metal-Organic Frameworks by Modification of Hydrogen Bonding Capability of the Organic Bridging Subunits

机译：通过修改有机桥联亚基的氢键能力，控制二维有机金属骨架中的互穿

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摘要

Six coordination polymers were prepared by linking Mn(SCN)(2) units by three different bis(4-pyridyl) substituited hydrazone derivatives (L) in three different solvents (methanol, ethanol, and acetonitrile) in order to study the effect of the hydrogen bonding ability of L on the formation of solvates rather than interpenetrated solvent-free interpenetrated structures. When the ligand L which cannot act as a hydrogen donor was used, in all three solvents the same product was obtained. This was a [Mn(SCN)(2)L-2](n) metalorganic framework, consisting of two-dimensional (2D) networks, each interpenetrating two neighboring ones. When the bridging ligands L have additional functional groups capable of acting as hydrogen donors or acceptors, synthesis from acetonitrile yields non-interpenetrating 2D [Mn(SCN)(2)L-2](n) networks with solvent molecules occupying the voids of the network. Other solvents were found to yield interpenetrated solvent free networks, or they replaced some of the L ligands, forming one-dimensional coordination polymers.
机译：通过研究在三种不同溶剂（甲醇，乙醇和乙腈）中的三种不同的双（4-吡啶基）取代的derivatives衍生物（L）将Mn（SCN）（2）单元连接起来，制备了六种配位聚合物，以研究六价配位聚合物的作用。 L对溶剂化物形成的氢键作用，而不是互穿的无溶剂互穿结构。当使用不能充当氢供体的配体L时，在所有三种溶剂中均获得相同的产物。这是一个[Mn（SCN）（2）L-2]（n）金属有机框架，由二维（2D）网络组成，每个网络都贯穿两个相邻的网络。当桥联配体L具有能够充当氢供体或受体的其他官能团时，从乙腈进行的合成会生成不互穿的2D [Mn（SCN）（2）L-2]（n）网络，溶剂分子占据了空穴的空隙。网络。发现其他溶剂可产生互穿的无溶剂网络，或者它们替代了一些L配体，形成一维配位聚合物。

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