通过第二球配位自组装的金属氢键有机框架（MHOFs）促进客体交换

IF 3.4 2区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

Crystal Growth & Design Pub Date : 2024-08-06 DOI:10.1021/acs.cgd.4c00658

Haitao Li, Ruiyao Chao, Jingjing Liang, Zhenwei Guo, Binghan Zhang, Fang Guo

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引用次数: 0

摘要

金属有机框架（MOFs）、共价有机框架（COFs）和氢键有机框架（HOFs）等晶体材料因其孔隙结构可控而在众多领域备受关注。本文采用第二球配位方法，通过弯曲形有机二元H2L（L = 4,4′-亚甲基二苯胺）与X-、[MX4]2-或[MX6]4-（X = Cl、Br；M = Cd、Pd、Sn）的自组装，合成了一系列金属氢键有机框架（MHOFs），生成了具有一维（1D）通道或半封闭笼的网络。具有一维通道（1D）的框架能封装水，形成定义明确的氢键阵列，并且具有热稳定性，同时能将通道保持在熔点以下。通道的大小受阴离子的影响，这导致通道在除去 H2O 后吸收不同的液体溶剂。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Metalo-Hydrogen-Bonded Organic Frameworks (MHOFs) Self-Assembled by Second-Sphere Coordination for Guest Exchange

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Metalo-Hydrogen-Bonded Organic Frameworks (MHOFs) Self-Assembled by Second-Sphere Coordination for Guest Exchange

Crystalline materials, such as metal–organic frameworks (MOFs), covalent organic frameworks (COFs), and hydrogen-bonded organic frameworks (HOFs), have drawn much attention in a wide range of fields because of their controllable pore structures. Herein, using the second-sphere coordination approach, a series of metalo-hydrogen-bonded organic frameworks (MHOFs) have been synthesized through self-assembly of a bent-shaped organic dication H₂L (L = 4,4′-methylenedianiline) with X^–, [MX₄]^2–, or [MX₆]^4– (X = Cl, Br; M = Cd, Pd, Sn), yielding networks with one-dimensional (1D) channels or semienclosed cages. The frameworks with a one-dimensional channel (1D) encapsulate water, forming a well-defined hydrogen bonding array, and are thermally stable while keeping the channels under melting point. The size of the channels is influenced by the anion, which results in the uptake of different liquid solvents by the channels after the removal of H₂O.

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来源期刊

Crystal Growth & Design 化学-材料科学：综合

CiteScore

6.30

自引率

10.50%

发文量

650

审稿时长

1.9 months

期刊介绍： The aim of Crystal Growth & Design is to stimulate crossfertilization of knowledge among scientists and engineers working in the fields of crystal growth, crystal engineering, and the industrial application of crystalline materials. Crystal Growth & Design publishes theoretical and experimental studies of the physical, chemical, and biological phenomena and processes related to the design, growth, and application of crystalline materials. Synergistic approaches originating from different disciplines and technologies and integrating the fields of crystal growth, crystal engineering, intermolecular interactions, and industrial application are encouraged.