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基于铼簇合物的超分子框架：采用合成子方法

Supramolecular Frameworks Based on Rhenium Clusters Using the Synthons Approach.

作者信息

Audebrand Nathalie, Demont Antoine, El Osta Racha, Mironov Yuri V, Naumov Nikolay G, Cordier Stéphane

机构信息

ISCR (Institut des Sciences Chimiques de Rennes)-UMR 6226, CNRS, Univ Rennes, F-35000 Rennes, France.

Nikolaev Institute of Inorganic Chemistry, 3 Acad. Lavrentiev pr., 630090 Novosibirsk, Russia.

出版信息

Molecules. 2021 May 1;26(9):2662. doi: 10.3390/molecules26092662.

DOI:10.3390/molecules26092662
PMID:34062890
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8125787/
Abstract

The reaction of the K[{ReS}(OH)]·8HO rhenium cluster salt with pyrazine (Pz) in aqueous solutions of alkaline or alkaline earth salts at 4 °C or at room temperature leads to apical ligand exchange and to the formation of five new compounds: [{ReS}(Pz)(OH)(HO)] (), [{ReS}(Pz)(OH)(HO)] (), (NO){ReS}(Pz)(OH)(HO)·3HO (), [Mg(HO)][{ReS}(Pz)(OH)(HO)]·8.5HO (), and K[-{ReS}(Pz)(OH)(HO)]·8HO (). Their crystal structures are built up from - or -[{ReS}(Pz)(OH)(HO)] cluster units. The cohesions of the 3D supramolecular frameworks are based on stacking and H bonding, as well as on HObridges in the cases of (), (), (), and () compounds, while () is built from stacking and H bonding only. This evidences that the nature of the synthons governing the cluster unit assembly is dependent on the hydration rate of the unit.

摘要

K[{ReS}(OH)]·8H₂O铼簇盐与吡嗪（Pz）在4℃或室温下的碱金属盐或碱土金属盐水溶液中反应，会导致顶端配体交换并形成五种新化合物：[{ReS}(Pz)(OH)(H₂O)] （）、[{ReS}(Pz)(OH)(H₂O)] （）、(NO){ReS}(Pz)(OH)(H₂O)·3H₂O （）、[Mg(H₂O)₆][{ReS}(Pz)(OH)(H₂O)]·8.5H₂O （）和K[-{ReS}(Pz)(OH)(H₂O)]·8H₂O （）。它们的晶体结构由 - 或 -[{ReS}(Pz)(OH)(H₂O)]簇单元构成。三维超分子框架的凝聚基于堆积和氢键，在（）、（）、（）和（）化合物的情况下还基于H₂O桥，而（）仅由堆积和氢键构成。这证明了控制簇单元组装的合成子的性质取决于单元的水合速率。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/e82ac6b331b7/molecules-26-02662-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/efec1668b73a/molecules-26-02662-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/e99fc54503c3/molecules-26-02662-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/d3162456124a/molecules-26-02662-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/c035b6302d8d/molecules-26-02662-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/06677d99a9b9/molecules-26-02662-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/1db8b1c6c012/molecules-26-02662-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/0a8b597ae4a8/molecules-26-02662-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/c4a544c9c0c3/molecules-26-02662-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/2edd0f566e28/molecules-26-02662-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/e82ac6b331b7/molecules-26-02662-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/efec1668b73a/molecules-26-02662-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/e99fc54503c3/molecules-26-02662-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/d3162456124a/molecules-26-02662-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/c035b6302d8d/molecules-26-02662-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/06677d99a9b9/molecules-26-02662-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/1db8b1c6c012/molecules-26-02662-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/0a8b597ae4a8/molecules-26-02662-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/c4a544c9c0c3/molecules-26-02662-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/2edd0f566e28/molecules-26-02662-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/feeb/8125787/e82ac6b331b7/molecules-26-02662-g010.jpg

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