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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Electronic structures of cyclometalated palladium complexes in the higher oxidation states
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Electronic structures of cyclometalated palladium complexes in the higher oxidation states

机译:较高氧化态的环金属化钯配合物的电子结构

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The electronic and redox properties of a series of cyclometalated Pd complexes with oxidation states of +2, +3 and +4 were examined using a range of currently available spectroscopic and electrochemical techniques. Changes in metal-ligand bond lengths were established by X-ray crystallography and correctly predicted by DFT calculations, from which the frontier orbitals and partial atomic charges can be obtained. X-ray absorption spectroscopy (XAS) revealed interesting XANES features that suggest a synergistic relationship between metal-ligand interactions. The electrochemical study of the Pd(II) dimer was found to contain two sequential oxidative potentials indicative of a weak metal-metal interaction.
机译:使用一系列当前可用的光谱和电化学技术检查了氧化态为+ 2,+ 3和+4的一系列环金属化Pd配合物的电子和氧化还原性质。通过X射线晶体学确定金属-配体键长的变化,并通过DFT计算正确预测,由此可以得到前沿轨道和部分原子电荷。 X射线吸收光谱(XAS)显示了有趣的XANES功能,表明金属-配体相互作用之间存在协同关系。发现Pd(II)二聚体的电化学研究包含两个顺序的氧化电位,表明金属与金属之间的相互作用较弱。

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