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Theoretical Equations of Zeeman Energy Levels for Distorted Metal Complexes with 3T1 Ground Terms

Department of Science, Faculty of Science, Yamagata University, 1-4-12 Kojirakawa, Yamagata 990-8560, Japan
Magnetochemistry 2019, 5(1), 17; https://doi.org/10.3390/magnetochemistry5010017
Received: 28 December 2018 / Revised: 6 February 2019 / Accepted: 25 February 2019 / Published: 3 March 2019
(This article belongs to the Special Issue Coordination Compounds for Coordination Molecule-Based Devices)
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Abstract

The theoretical equations of Zeeman energy levels, including the zero-field energies and the first- and second-order Zeeman coefficients, have been obtained in closed form for nine states of the 3 T 1 ( g ) ground term, considering the axial ligand-field splitting and the spin-orbit coupling. The equations are expressed as the functions of three independent parameters, Δ , λ , and κ , where Δ is the axial ligand-field splitting parameter, λ is the spin-orbit coupling parameter, and κ is the effective orbital reduction factor, including the admixing. The equations are useful in simulating magnetic properties (magnetic susceptibility and magnetization) of the complexes with 3 T 1 ( g ) ground terms, e.g., octahedral vanadium(III), octahedral low-spin manganese(III), octahedral low-spin chromium(II), and tetrahedral nickel(II) complexes. View Full-Text
Keywords: Zeeman coefficients; 3T1(g) ground term; axial ligand-field splitting; spin-orbit coupling; magnetic properties Zeeman coefficients; 3T1(g) ground term; axial ligand-field splitting; spin-orbit coupling; magnetic properties
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Sakiyama, H. Theoretical Equations of Zeeman Energy Levels for Distorted Metal Complexes with 3T1 Ground Terms. Magnetochemistry 2019, 5, 17.

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