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Modeling Spin-Crossover Dynamics
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DOI：10.1146/annurev-physchem-101419-012625.png)
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In this article, we review nonadiabatic molecular dynamics (NAMD) methods formodeling spin-crossover transitions. First, we discuss different representations of electronic states employed in the grid-based and direct NAMD simulations. The nature of interstate couplings in different representations is highlighted, with the main focus on nonadiabatic and spin-orbit couplings. Second, we describe three NAMD methods that have been used to simulate spin-crossover dynamics, including trajectory surface hopping, ab initio multiple spawning, and multiconfiguration time-dependent Hartree. Some aspects of employing different electronic structure methods to obtain information about potential energy surfaces and interstate couplings for NAMD simulations are also discussed. Third, representative applications of NAMD to spin crossovers inmolecular systems of different sizes and complexities are highlighted. Finally, we pose several fundamental questions related to spin-dependent processes. These questions should be possible to address with future methodological developments in NAMD.
Keyword:
nonadiabatic molecular dynamics
spin-orbit coupling
intersystem crossings
spin-forbidden reactions
期刊
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11.7
论文数:
1.5K
被引数:
8.9K
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