The Positional Isomeric Effect on the Structural Diversity of Cd(II) Coordination Polymers, Using Flexible Positional Isomeric Ligands Containing Pyridyl, Triazole, and Carboxylate Fragments

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2018 Oct 17

PMID 30322181

Citations 2

Authors

Jonathan Cisterna

Catherine Araneda

Pilar Narea

Alejandro Cardenas

Jaime Llanos

Ivan Brito

Affiliations

Soon will be listed here.

Abstract

To systematically investigate the influence of the positional isomeric effect on the structures of polymer complexes, we prepared two new polymers containing the two positional isomers ethyl 5-methyl-1-(pyridin-3-yl)-1-1,2,3-triazole-3-carboxylate () and ethyl-5-methyl-1-(pyridin-3-yl)-1-1,2,3-triazole-4-carboxylate (), as well as Cd(II) ions. The structures of the metal⁻organic frameworks were determined by a single crystal XRD analysis. The compound [Cd(L1)₂·4H₂O] (), is a hydrogen bond-induced coordination polymer, whereas the compound [Cd(L2)₄·5H₂O] () is a three-dimensional (3-D) coordination polymer. Their structures and properties are tuned by the variable N-donor positions of the ligand isomers. This work indicates that the isomeric effect of the ligand isomers plays an important role in the construction of the Cd(II) complexes. In addition, the thermal and luminescent properties are reported in detail.

Citing Articles

Synthesis, Crystal Structures, Hirshfeld Surface Analysis, Computational Investigations, Thermal Properties, and Electrochemical Analysis of Two New Cu(II) and Co(II) Coordination Polymers with the Ligand....

Bergedahl M, Narea P, Llanos J, Pulido R, Naveas N, Amo-Ochoa P Int J Mol Sci. 2025; 26(4).

PMID: 40004136 PMC: 11855095. DOI: 10.3390/ijms26041671.

The Methylene Spacer Matters: The Structural and Luminescent Effects of Positional Isomerism of n-Methylpyridyltriazole Carboxylate Semi-Rigid Ligands in the Structure of Zn(II) Based Coordination Polymers.

Narea P, Hernandez B, Cisterna J, Cardenas A, Amo-Ochoa P, Zamora F Polymers (Basel). 2023; 15(4).

PMID: 36850172 PMC: 9961080. DOI: 10.3390/polym15040888.

Crystallization Induced Enhanced Emission in Two New Zn(II) and Cd(II) Supramolecular Coordination Complexes with the 1-(3,4-Dimethylphenyl)-5-Methyl-1-1,2,3-Triazole-4-Carboxylate Ligand.

Narea P, Cisterna J, Cardenas A, Amo-Ochoa P, Zamora F, Climent C Polymers (Basel). 2020; 12(8).

PMID: 32781520 PMC: 7464244. DOI: 10.3390/polym12081756.

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