The Influence of Aryl Substituents on the Supramolecular Structures and Photoluminescence of Cyclic Trinuclear Pyrazolato Copper(I) Complexes
Cyclic trinuclear complexes with group 11 metal(I) ions are fascinating and important to coordination chemistry. One of the ligands known to form these cyclic trinuclear complexes is pyrazolate, which is a bridging ligand that coordinates many transition metal ions in a Npz–M–Npz linear mode (Npz =...
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oai:doaj.org-article:09740ee8fa0245bcb7be74124c1ac1832021-11-25T18:32:28ZThe Influence of Aryl Substituents on the Supramolecular Structures and Photoluminescence of Cyclic Trinuclear Pyrazolato Copper(I) Complexes10.3390/nano111131012079-4991https://doaj.org/article/09740ee8fa0245bcb7be74124c1ac1832021-11-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/3101https://doaj.org/toc/2079-4991Cyclic trinuclear complexes with group 11 metal(I) ions are fascinating and important to coordination chemistry. One of the ligands known to form these cyclic trinuclear complexes is pyrazolate, which is a bridging ligand that coordinates many transition metal ions in a Npz–M–Npz linear mode (Npz = pyrazolyl nitrogen atom). In these group 11 metal(I) ions, copper is the most abundant metal. Therefore, polynuclear copper(I) complexes are very important in this field. The cyclic trinuclear copper(I) complex <b>[Cu(3,5-Ph<sub>2</sub>pz)]<sub>3</sub></b> (3,5-Ph<sub>2</sub>pz<sup>–</sup> = 3,5-diphenyl-1-pyrazolate anion) was reported in 1988 as a landmark complex, but its photoluminescence properties have hitherto not been described. In this study, we report the photoluminescence and two different polymorphs of <b>[Cu(3,5-Ph<sub>2</sub>pz)]<sub>3</sub></b> and its derivative [<b>Cu(3-Me-5-Phpz)]<sub>3</sub></b> (3-Me-5-Phpz<sup>–</sup> = 3-metyl-5-phenyl-1-pyrazale anion). The substituents in <b>[Cu(3-Me-5-Phpz)]<sub>3</sub></b> cause smaller distortions in the solid-state structure and a red-shift in photoluminescence due to the presence of intermolecular cuprophilic interactions.Kiyoshi FujisawaMai SaotomeYoko IshikawaDavid James YoungMDPI AGarticlepolynuclearcoppercrystal structurepyrazolate ligandphotoluminescenceChemistryQD1-999ENNanomaterials, Vol 11, Iss 3101, p 3101 (2021) |
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polynuclear copper crystal structure pyrazolate ligand photoluminescence Chemistry QD1-999 |
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polynuclear copper crystal structure pyrazolate ligand photoluminescence Chemistry QD1-999 Kiyoshi Fujisawa Mai Saotome Yoko Ishikawa David James Young The Influence of Aryl Substituents on the Supramolecular Structures and Photoluminescence of Cyclic Trinuclear Pyrazolato Copper(I) Complexes |
description |
Cyclic trinuclear complexes with group 11 metal(I) ions are fascinating and important to coordination chemistry. One of the ligands known to form these cyclic trinuclear complexes is pyrazolate, which is a bridging ligand that coordinates many transition metal ions in a Npz–M–Npz linear mode (Npz = pyrazolyl nitrogen atom). In these group 11 metal(I) ions, copper is the most abundant metal. Therefore, polynuclear copper(I) complexes are very important in this field. The cyclic trinuclear copper(I) complex <b>[Cu(3,5-Ph<sub>2</sub>pz)]<sub>3</sub></b> (3,5-Ph<sub>2</sub>pz<sup>–</sup> = 3,5-diphenyl-1-pyrazolate anion) was reported in 1988 as a landmark complex, but its photoluminescence properties have hitherto not been described. In this study, we report the photoluminescence and two different polymorphs of <b>[Cu(3,5-Ph<sub>2</sub>pz)]<sub>3</sub></b> and its derivative [<b>Cu(3-Me-5-Phpz)]<sub>3</sub></b> (3-Me-5-Phpz<sup>–</sup> = 3-metyl-5-phenyl-1-pyrazale anion). The substituents in <b>[Cu(3-Me-5-Phpz)]<sub>3</sub></b> cause smaller distortions in the solid-state structure and a red-shift in photoluminescence due to the presence of intermolecular cuprophilic interactions. |
format |
article |
author |
Kiyoshi Fujisawa Mai Saotome Yoko Ishikawa David James Young |
author_facet |
Kiyoshi Fujisawa Mai Saotome Yoko Ishikawa David James Young |
author_sort |
Kiyoshi Fujisawa |
title |
The Influence of Aryl Substituents on the Supramolecular Structures and Photoluminescence of Cyclic Trinuclear Pyrazolato Copper(I) Complexes |
title_short |
The Influence of Aryl Substituents on the Supramolecular Structures and Photoluminescence of Cyclic Trinuclear Pyrazolato Copper(I) Complexes |
title_full |
The Influence of Aryl Substituents on the Supramolecular Structures and Photoluminescence of Cyclic Trinuclear Pyrazolato Copper(I) Complexes |
title_fullStr |
The Influence of Aryl Substituents on the Supramolecular Structures and Photoluminescence of Cyclic Trinuclear Pyrazolato Copper(I) Complexes |
title_full_unstemmed |
The Influence of Aryl Substituents on the Supramolecular Structures and Photoluminescence of Cyclic Trinuclear Pyrazolato Copper(I) Complexes |
title_sort |
influence of aryl substituents on the supramolecular structures and photoluminescence of cyclic trinuclear pyrazolato copper(i) complexes |
publisher |
MDPI AG |
publishDate |
2021 |
url |
https://doaj.org/article/09740ee8fa0245bcb7be74124c1ac183 |
work_keys_str_mv |
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