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一种亚胺氧基铜(II)自由基配合物的光谱表征及反应活性研究

Spectroscopic characterization and reactivity studies of a copper(II) iminoxyl radical complex.

作者信息

Kaur Simarjeet, Das Avijit, Velasco Lucia, Sauvan Maxime, Bera Moumita, Ugale Ashok, Charisiadis Asterios, Moonshiram Dooshaye, Paria Sayantan

机构信息

Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.

Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, Sor Juana Inés de la Cruz, 3, 28049, Madrid, Spain.

出版信息

Chem Commun (Camb). 2024 Sep 10;60(73):9934-9937. doi: 10.1039/d4cc02922d.

DOI:10.1039/d4cc02922d
PMID:39072688
Abstract

A Cu complex (1) of a bis-pyridine-dioxime ligand and its one-electron oxidized analog (1-ox) were thoroughly characterized by various spectroscopic techniques, including X-ray absorption spectroscopy. 1-ox was found to be a Cu complex of a ligand iminoxyl radical and represents the first example of such a type. Reorganization energy () of 2.12 eV was determined for the 1-ox/1 couple, which is considerably higher than the type 1 protein and synthetic Cu(OH) complexes.

摘要

一种双吡啶二肟配体的铜配合物(1)及其单电子氧化类似物(1-ox)通过包括X射线吸收光谱在内的各种光谱技术进行了全面表征。发现1-ox是配体亚胺氧基自由基的铜配合物,代表了此类的首个实例。确定了1-ox/1电对的重组能()为2.12 eV,这大大高于1型蛋白质和合成Cu(OH)配合物。

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