Abstract
The theoretical equations of Zeeman energy levels, including the zero-field energy levels and the first- and second-order Zeeman coefficients, have been derived for fifteen states of the \(^5T_{2g}\) ground term, considering the axial ligand-field splitting and the spin–orbit coupling. The equations are expressed as the functions of three independent parameters, \(\Delta \), \(\lambda \), and \(\kappa \), where \(\Delta \) is the axial ligand-field splitting parameter, \(\lambda \) is the spin–orbit coupling parameter, and \(\kappa \) is the orbital reduction factor. The equations are useful in simulating magnetic properties (magnetic susceptibility and magnetization) of the complexes with \(^5T_{2g}\) ground terms, e.g. octahedral high-spin iron(II) complexes.
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Acknowledgements
This work was supported by Japan society for the promotion of science (JSPS) KAKENHI Grant Number 15K05445. Financial support by Yamagata University is also acknowledged.
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Sakiyama, H. Theoretical equations of Zeeman energy levels for distorted metal complexes with \({}^5T_{2g}\) ground terms. J Math Chem 57, 858–874 (2019). https://doi.org/10.1007/s10910-018-0987-1
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DOI: https://doi.org/10.1007/s10910-018-0987-1