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Molecule-Based Crystalline Materials, 2nd Edition

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 760

Special Issue Editor


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Guest Editor
State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
Interests: metal-organic framework; covalent organic framework; film; membrane; nonlinear optics; optical limiting; chirality; circularly polarized luminescence
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Special Issue Information

Dear Colleagues,

Molecule-based crystalline materials, including metal-organic frameworks (MOFs), covalent-organic frameworks (COFs), and supramolecular organic frameworks (SOFs), possess a highly specific surface area, well-defined and ordered pores, variable structures, and tunable chemical functionalities, attracting great attention for their potential application in molecule adsorption and separation, photo/electrocatalysts, biomedical engineering and optical/electric devices and sensors, and so on. This Special Issue aims to provide an overview of the recent discoveries of the synthesis and functions of molecule-based crystalline materials, including new MOF, COF, SOF, and other molecule-based complex designs, the study of their growth mechanics, and their potential application in a broad range of fields.

Prof. Dr. Zhi-Gang Gu
Guest Editor

Manuscript Submission Information

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Keywords

  • metal-organic frameworks
  • covalent-organic frameworks
  • supramolecular organic frameworks
  • crystalline materials
  • chemical synthesis
  • functional applications

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Published Papers (1 paper)

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Research

13 pages, 2991 KiB  
Article
The Synthesis, Structure, and Dielectric Properties of a One-Dimensional Hydrogen-Bonded DL-α-Phenylglycine Supramolecular Crown-Ether-Based Inclusion Compound
by Yang Liu, Hongzhi Hu, Huanhuan Qi, Meixia Lv and Zunqi Liu
Molecules 2023, 28(22), 7586; https://doi.org/10.3390/molecules28227586 - 14 Nov 2023
Viewed by 587
Abstract
A novel hydrogen-bonded supramolecular crown-ether-based inclusion compound, [(DL-α-Phenylglycine)(18-crown-6)]+[(CoCl4)0.5](1), was obtained via evaporation in a methanolic solution at room temperature using DL-α-phenylglycine, 18-crown-6, cobalt chloride (CoCl2), and hydrochloric acid. Its structure, thermal [...] Read more.
A novel hydrogen-bonded supramolecular crown-ether-based inclusion compound, [(DL-α-Phenylglycine)(18-crown-6)]+[(CoCl4)0.5](1), was obtained via evaporation in a methanolic solution at room temperature using DL-α-phenylglycine, 18-crown-6, cobalt chloride (CoCl2), and hydrochloric acid. Its structure, thermal properties, and electrical properties were characterized via elemental analysis, single-crystal X-ray diffraction, variable-temperature infrared spectroscopy, thermogravimetric analysis, differential scanning calorimetry, and variable temperature–variable frequency dielectric constant testing. The compound was a monoclinic crystal system in the C2 space group at low temperature (100 K) and room temperature (293 K). Analysis of the single crystal structure showed that [(CoCl4)0.5] presented an edge-sharing ditetrahedral structure in the disordered state, while the protonated DL-α-phenylglycine molecule in the disordered state and intramolecular hydroxyl group (-OH) underwent dynamic rocking, causing a significant stretching motion of the O-H···Cl-type one-dimensional hydrogen bond chain. This resulted in dielectric anomalies in the three axes of the crystal, thus showing significant dielectric anisotropy. Full article
(This article belongs to the Special Issue Molecule-Based Crystalline Materials, 2nd Edition)
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