Coordination Polymers: Structure, Bonding and Applications

A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Crystal Engineering".

Deadline for manuscript submissions: closed (30 December 2020) | Viewed by 10864

Special Issue Editors

Dipartimento di Scienza e Alta Tecnologia, Università degli Studi dell'Insubria, Via Valleggio, 9 - 22100 Como, Italy
Interests: coordination chemistry; d10-metals; metal-azolate polynuclear systems; luminescence; homogeneous catalysis; structure-properties relationships
Dipartimento di Scienza e Alta Tecnologia, Università degli Studi dell'Insubria, Via Valleggio, 9 - 22100 Como, Italy
Interests: coordination chemistry; boron difluoride compounds; luminescence; metal-azolate polynuclear systems; optoelectronic materials; structure-properties relationship

Special Issue Information

Dear Colleagues,

Coordination polymers (CPs) are based on metal ions connected by coordinated ligands so that an infinite array is originated. CPs have been widely investigated in the last decades due to their inherent fascinating properties: indeed, the rationale choice of the metal and the coordinated ligand strongly influences the resulting coordination polymer, leading to a huge variety of structures. Most of the CPs reported so far are based on transition metals, but lanthanides, together with s- and p-block elements, have been considered as well. Ligands can vary from the extensively used carboxylates, to nitrogen- and sulphur-containing ones. As a result of this versatility, CPs can find application in different fields of interest, as catalysis, luminescence, magnetism, conductivity, gas adsorption and separation, drug delivery. Hence,   the search for new coordination polymers, and a thoroughly understanding of their bonding and structure is a crucial topic both for chemists and material scientists.   

This Special Issue of “Crystals” is expected to provide a platform to report results in the synthesis and characterization of coordination polymers, with special attention to their bonding and crystal structure description. Furthermore, articles or short reviews highlighting the several applications of CPs are also welcome.

Potential topics include, but are not limited to:

- synthesis and characterization of CPs         

- solid state structure of CPs

- structure-properties relationships in CPs

- functionalized CPs and their applications

- supramolecular assembly of coordination polymers

Dr. Stefano Brenna
Dr. Gioele Colombo
Guest Editor

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Keywords

  • coordination polymers
  • crystalline structure
  • synthesis
  • characterization
  • bonding description
  • functional coordination polymers

Published Papers (4 papers)

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Research

10 pages, 2384 KiB  
Article
Reversible Water Ad-/Desorption Behavior of a 3D Polycatenation Network, [Zn(bpp)(BDC)]·1.5(H2O), Constructed by 2D Undulated Layered MOF
by Chih-Chieh Wang, Wei-Cheng Yi, Zi-Ling Huang, Wen-Chi Chien, Yu-Chun Chuang and Gene-Hsiang Lee
Crystals 2021, 11(4), 371; https://0-doi-org.brum.beds.ac.uk/10.3390/cryst11040371 - 02 Apr 2021
Viewed by 1346
Abstract
A three-dimensional (3D) polycatenation supramolecular network with chemical formulas, [Zn(bpp)(BDC)]·1.5H2O (1), (bpp = 1,3-bis(4-pyridyl)propane, BDC2− = dianion of terephthalic acid), was synthesized and structurally determined. In compound 1, the coordination geometry of Zn(II) ion is distorted tetrahedral, [...] Read more.
A three-dimensional (3D) polycatenation supramolecular network with chemical formulas, [Zn(bpp)(BDC)]·1.5H2O (1), (bpp = 1,3-bis(4-pyridyl)propane, BDC2− = dianion of terephthalic acid), was synthesized and structurally determined. In compound 1, the coordination geometry of Zn(II) ion is distorted tetrahedral, where its 2D undulated layered framework is constructed via the bridges of Zn(II) ions with bpp and BDC2− ligands. Adjacent 2D layers are arranged in a combined parallel and interpenetrated manner to complete its 3D polycatenation supramolecular architecture. Compound 1 shows a one-step dehydration process with the weight losses of 6.1%, approximately equal to the weight percentage of losing 1.5 guest water molecules. The cyclic thermogravimetric analysis reveals that compound 1 shows reversible, sponge-like water de-/adsorption behavior during de-/rehydration processes. Compound 1 also exhibits significant water vapor hysteresis isotherm. Full article
(This article belongs to the Special Issue Coordination Polymers: Structure, Bonding and Applications)
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10 pages, 1880 KiB  
Article
Structural Variations in Manganese Halide Chain Compounds Mediated by Methylimidazolium Isomers
by Ceng Han, David B. Cordes, Alexandra M. Z. Slawin and Philip Lightfoot
Crystals 2020, 10(10), 930; https://0-doi-org.brum.beds.ac.uk/10.3390/cryst10100930 - 13 Oct 2020
Cited by 8 | Viewed by 2750
Abstract
The structures of two new hybrid organic–inorganic manganese halide compounds [1MiH]MnCl3(H2O) and [4MiH]MnCl3(H2O) ([1MiH] = 1-methylimidazolium, [4MiH] = 4-methylimidazolium) have been determined by single crystal X-ray diffraction. Both are composed of one dimensional [MnCl3 [...] Read more.
The structures of two new hybrid organic–inorganic manganese halide compounds [1MiH]MnCl3(H2O) and [4MiH]MnCl3(H2O) ([1MiH] = 1-methylimidazolium, [4MiH] = 4-methylimidazolium) have been determined by single crystal X-ray diffraction. Both are composed of one dimensional [MnCl3(H2O)]n edge-sharing octahedral chains. The structures are compared to the previously reported isomeric analogue [2MiH]MnCl3(H2O) ([2MiH] = 2-methylimidazolium), and three closely related compounds. The variations in packing of the inorganic chains are shown to be influenced by hydrogen bonding abilities of the imidazolium or related moieties. Both new compounds show intense red luminescence at ambient temperature under UV irradiation. Full article
(This article belongs to the Special Issue Coordination Polymers: Structure, Bonding and Applications)
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16 pages, 4582 KiB  
Article
A Self-Assembled Hetero-Bimetallic [Ni(II)-Sm(III)] Coordination Polymer Constructed from a Salamo-Like Ligand and 4,4′-Bipyridine: Synthesis, Structural Characterization, and Properties
by Ruo-Yan Li, Xiao-Xin An, Ji-Fa Wang, Hao-Ran Mu, You-Peng Zhang, Yang Zhang and Wen-Kui Dong
Crystals 2020, 10(7), 579; https://0-doi-org.brum.beds.ac.uk/10.3390/cryst10070579 - 04 Jul 2020
Viewed by 2013
Abstract
An unusual self-assembled hetero-bimetallic [Ni(II)-Sm(III)] coordination polymer, [Ni(L)Sm(NO3)3(4,4′-bipy)]n, is prepared through a hexadentate chelating ligand 2,2′-[1,2-ethylenedioxybis(nitrilomethylidyne)]diphenol (H2L). The Ni(II)-Sm(III) coordination polymer is validated through elemental analyses, Fourier-transform infrared and UV-Visible spectroscopies, and X-ray single-crystal diffraction. [...] Read more.
An unusual self-assembled hetero-bimetallic [Ni(II)-Sm(III)] coordination polymer, [Ni(L)Sm(NO3)3(4,4′-bipy)]n, is prepared through a hexadentate chelating ligand 2,2′-[1,2-ethylenedioxybis(nitrilomethylidyne)]diphenol (H2L). The Ni(II)-Sm(III) coordination polymer is validated through elemental analyses, Fourier-transform infrared and UV-Visible spectroscopies, and X-ray single-crystal diffraction. The Ni(II) atom forms a twisted six-coordinated octahedron, and the Sm(III) atom is ten-coordinated, adopting a twisted bicapped square antiprism. An infinite three-dimensional-layer supramolecular structure is obtained through extensive π···π stacking and intermolecular hydrogen bonding interactions. The polymer has a good antibacterial effect against Staphylococcus aureus. Full article
(This article belongs to the Special Issue Coordination Polymers: Structure, Bonding and Applications)
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11 pages, 2077 KiB  
Article
Zn/Ni and Zn/Pd Heterobimetallic Coordination Polymers with [SSC-N(CH2COO)2]3− Ligands
by Phil Liebing, Florian Oehler and Juliane Witzorke
Crystals 2020, 10(6), 505; https://0-doi-org.brum.beds.ac.uk/10.3390/cryst10060505 - 13 Jun 2020
Cited by 3 | Viewed by 4162
Abstract
In the construction of heterobimetallic coordination polymers based on dithiocarbamato–carboxylate (DTCC ligands), platinum as a thiophilic metal center can be replaced by the cheaper nickel or palladium. The compounds Zn[Pd(HL)2] and Zn2[M(L)2] (M = Ni, Pd; L [...] Read more.
In the construction of heterobimetallic coordination polymers based on dithiocarbamato–carboxylate (DTCC ligands), platinum as a thiophilic metal center can be replaced by the cheaper nickel or palladium. The compounds Zn[Pd(HL)2] and Zn2[M(L)2] (M = Ni, Pd; L = {SSC-N(CH2COO)2}3−) were prepared in a sequential approach starting from K3(L). The products were characterized by IR and NMR spectroscopy, thermal analyses, and single-crystal X-ray diffraction. The products decompose under nitrogen between 300 and 400 °C. Zn[Pd(HL)2] · 6H2O forms polymeric chains in the solid state, and the Zn2[M(L)2] · 14H2O (M = Ni, Pd) exhibit two-dimensional polymeric structures, each being isotypic with the respective Zn/Pt analogs. While the carboxylate groups in all these products are coordinated to zinc in a κO-monodentate mode, a structural variant of Zn2[Ni(L)2] having κOO′-briding carboxylate groups was also obtained. Exchange of the metal sites in the two Ni/Zn compounds was not observed, and these compounds are therefore diamagnetic. Full article
(This article belongs to the Special Issue Coordination Polymers: Structure, Bonding and Applications)
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