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A Novel Density Functional Study of the Ground State Properties of a Localized Trinuclear Copper(II,II,III) Mixed-Falence System

机译:局部三核铜(II,II,III)混合价体系基态性质的新型密度泛函研究

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Herein we report the analysis of a mixed-valence localized trinuclear copper(II, II, III) cluster by density functional theory. We focused on two peculiar aspects of this system. First we investigated the triplet ground state potential energy surface on a model system. To this end we computed, on the [E directX e] diabatic potential energy surface, the potential energy profile along the e mode and constructed ab initio the full potential energy surface (the so called Mexican hat), by a fitting procedure. Next, we analyzed the magneto-optical properties of the minimum energy structures. In particular, we applied the single determinant method to compute the full manifold of states arising from the highest occupied molecular orbitals (magnetic orbitals). This procedure yielded reslts in agreement with previous calculations and with the available experimental data when using a model closer to the X-ray structure or when directly dealing with the complete structure of the system.
机译:在这里我们报告通过密度泛函理论分析混合价局部三核铜(II,II,III)群集。我们专注于该系统的两个特殊方面。首先,我们研究了模型系统上的三重态基态势能面。为此,我们在[E directX e]绝热势能面上计算了沿e模式的势能分布,并通过拟合程序从头开始构造了整个势能面(所谓的墨西哥帽)。接下来,我们分析了最小能量结构的磁光特性。特别地,我们应用了单行列式方法来计算由最高占据分子轨道(磁轨道)引起的状态的全部流形。当使用更接近X射线结构的模型或直接处理系统的完整结构时,此过程产生的结果与先前的计算结果和可用的实验数据一致。

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