Applications of Density Functional Theory (DFT) to Investigate the Structural, Spectroscopic and Magnetic Properties of Lanthanide(III) Complexes

Applications of Density Functional Theory (DFT) to Investigate the Structural, Spectroscopic and Magnetic Properties of Lanthanide(III) Complexes
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应用密度泛函理论 (DFT) 研究镧系元素 (III) 配合物的结构、光谱和磁性

DOI:
10.2174/1877944111101010091
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发表时间:
2011
影响因子:
8.1
通讯作者:
T. Rodríguez
T. Rodríguez
中科院分区:
医学1区
文献类型:
--
作者:
C. Platas‐Iglesias;Adrián Roca;Martín Regueiro;David Esteban;A. D. Blas;T. Rodríguez

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密度泛函理论(DFT)由于其计算精度高、计算量小,已成为研究复杂无机分子(如镧系元素(III)配位化合物)结构和性质的通用工具。在这里,我们提出了一个概述不同的成功应用DFT研究镧系元素(III)配合物的结构,动力学,振动光谱,NMR化学位移,超精细相互作用,激发态和磁性。我们特别注意我们自己的工作的构象分析的Ln III-聚氨基羧酸配合物。此外,还简要讨论了研究镧系(III)配合物的不同方法,即:e.全电子相对论计算和使用相对论有效的核心潜力(RECPs),也提出。对镧系元素的4f电子是否参与化学键的问题也作了简要的讨论。
Density functional theory (DFT) has become a general tool to investigate the structure and properties of complicated inorganic molecules, such as lanthanide(III) coordination compounds, due to the high accuracy that can be achieved at relatively low computational cost. Herein, we present an overview of different successful applications of DFT to investigate the structure, dynamics, vibrational spectra, NMR chemical shifts, hyperfine interactions, excited states, and magnetic properties of lanthanide(III) complexes. We devote particular attention to our own work on the conformational analysis of LnIII-polyaminocarboxylate complexes. Besides, a short discussion on the different approaches used to investigate lanthanide(III) complexes, i. e. all-electron relativistic calculations and the use of relativistic effective core potentials (RECPs), is also presented. The issue of whether the 4f electrons of the lanthanides are involved in chemical bonding or not is also shortly discussed.
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