Heavy element compounds with high symmetries often feature both spin–orbit coupling and vibronic coupling. This is especially true for systems with tetrahedral and octahedral symmetries, whose electronic states may be threefold degenerate and experience complicated Jahn–Teller and pseudo-Jahn–Teller interactions. To accurately describe these interactions, high quality spin–orbit vibronic Hamiltonian operators are needed. In this study, we present a unified one-electron Hamiltonian formalism for spin–orbit vibronic interactions for systems in all tetrahedral and octahedral symmetries. The formalism covers all spin–orbit Jahn–Teller and pseudo-Jahn–Teller problems in the symmetries with arbitrary types and arbitrary numbers of vibrational modes and generates Hamiltonian expansion formulas of arbitrarily high order.
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14 August 2022
Research Article|
August 08 2022
Unified one-electron Hamiltonian formalism of spin–orbit Jahn–Teller and pseudo-Jahn–Teller problems in tetrahedral and octahedral symmetries
Special Collection:
Nature of the Chemical Bond
Ekadashi Pradhan
;
Ekadashi Pradhan
1
Department of Chemistry, York University
, Toronto, Ontario M3J1P3, Canada
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Guoying Yao
;
Guoying Yao
2
MOE Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University
, Guangzhou, Guangdong 510275, China
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Zhenyu Yang
;
Zhenyu Yang
2
MOE Laboratory of Bioinorganic and Synthetic Chemistry, Lehn Institute of Functional Materials, School of Chemistry, Sun Yat-sen University
, Guangzhou, Guangdong 510275, China
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Tao Zeng
Tao Zeng
a)
1
Department of Chemistry, York University
, Toronto, Ontario M3J1P3, Canada
a)Author to whom correspondence should be addressed: tzeng@yorku.ca
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a)Author to whom correspondence should be addressed: tzeng@yorku.ca
Note: This paper is part of the JCP Special Topic on Nature of the Chemical Bond.
J. Chem. Phys. 157, 064104 (2022)
Article history
Received:
March 02 2022
Accepted:
March 27 2022
Citation
Ekadashi Pradhan, Guoying Yao, Zhenyu Yang, Tao Zeng; Unified one-electron Hamiltonian formalism of spin–orbit Jahn–Teller and pseudo-Jahn–Teller problems in tetrahedral and octahedral symmetries. J. Chem. Phys. 14 August 2022; 157 (6): 064104. https://doi.org/10.1063/5.0090053
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