首页> 外文期刊>Journal of the Korean Chemical Society >The Effect of Ligand's Spin-Orbit Coupling and the Intermixing of 3d and 4p Cu Atomic Orbitals on Zero-Field Splitting in the Tetragonally Distorted Tetrahedral CuCl42- Complex
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The Effect of Ligand's Spin-Orbit Coupling and the Intermixing of 3d and 4p Cu Atomic Orbitals on Zero-Field Splitting in the Tetragonally Distorted Tetrahedral CuCl42- Complex

机译:配体的自旋轨道耦合以及3d和4p Cu原子轨道的混合对四方扭曲的四面体CuCl42-配合物的零场分裂的影响

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An effect of the spin-orbit coupling interaction of ligand orbitals and the intermixing |¢3d ?μand|¢4p > transition metal atomic orbitals on the ground state for a 3d9 system in a strong crystal field of tetragonally distorted tetrahedral symmetry that belongs to the D2d point group has been investigated in this work, applying the degenerate perturbation theory. An LCAO-MO analysis in terms of the known energies of the d-d transitions for the tetragonally distorted CuCl42- ion in a single crystal of Cs2CuCl4 shows that the covalent mixing of Cu 3d and ligand Cl 3p orbitals decreases dramatically with increasing Cu 4p contribution. The extent of effect on the energy level splitting for the ground state by the spin-orbit coupling interaction of ligand orbitals decreases significantly in order ¥?7(E) ?? ¥?6(E) > ¥?7(B2) ?? ¥?6(E) > ¥?7(B2) ?? ¥?7(E).
机译:配位体轨道的自旋轨道耦合相互作用和| d 3d?μ|| 4p>过渡金属原子轨道的混合对3d9系统在属于四面体扭曲的四面体对称的强晶体场中的基态的影响。运用退化摄动理论对D2d点群进行了研究。 LCAO-MO分析根据Cs2CuCl4单晶中四方扭曲的CuCl42-离子的d-d跃迁的已知能量进行分析,结果表明Cu 3d和配体Cl 3p轨道的共价混合随着Cu 4p贡献的增加而急剧下降。配体轨道的自旋-轨道耦合相互作用对基态能级分裂的影响程度按¥?7(E)??显着降低。 ¥ 6(E)> ¥ 7(B2)?? ¥ 6(E)> ¥ 7(B2)?? ¥ 7(E)。

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