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相关论文: Excited-State Solvation Structure of Transition Me…

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This Perspective describes current computational efforts in the field of simulating photodynamics of transition metal complexes. We present the typical workflows and feature the strengths and limitations of the different contemporary…

化学物理 · 物理学 2021-07-27 J. Patrick Zobel , Leticia Gonzalez

The character of an electronically excited state is one of the most important descriptors employed to discuss the photophysics and photochemistry of transition metal complexes. In transition metal complexes, the interaction between the…

化学物理 · 物理学 2018-02-14 Sebastian Mai , Felix Plasser , Johann Dorn , Maria Fumanal , Chantal Daniel , Leticia González

Field emission coupled with molecular dynamics simulation (FEcMD) software package is a computational tool for studying atomic structure evolution, structural deformation, phase transitions, recrystallization as well as electron emission…

计算物理 · 物理学 2026-01-22 Bing Xiao , Nan Li , Wenqian Kong , Rui Chu , Hongyu Zhang , Guodong Meng , Kai Wu , Yonghong Cheng

We introduce a novel methodology for simulating the excited-state dynamics of extensive molecular aggregates in the framework of the long-range corrected time-dependent density-functional tight-binding fragment molecular orbital method…

化学物理 · 物理学 2024-04-23 Richard Einsele , Roland Mitrić

Kohn-Sham density functional theory and plane wave basis set based ab initio molecular dynamics (AIMD) simulation is a powerful tool for studying complex reactions in solutions, such as electron transfer (ET) reactions involving…

化学物理 · 物理学 2022-09-07 Sagarmoy Mandal , Ritama Kar , Bernd Meyer , Nisanth N. Nair

Highly concentrated aqueous lithium chloride solutions were investigated by classical molecular dynamics (MD) and reverse Monte Carlo (RMC) simulations. At first MD calculations were carried out applying twenty-nine combinations of…

化学物理 · 物理学 2018-11-27 Ildikó Pethes

We investigate the basic thermal, mechanical and structural properties of body centred cubic iron ($\alpha$-Fe) at several temperatures and positive loading by means of Molecular Dynamics simulations in conjunction with the embedded-atom…

材料科学 · 物理学 2017-02-17 Kostadin G. Gaminchev

The study combines DFT calculations and CPMD simulations to investigate the structures of phenylalanine-copper (II) ([Phe-Cu]2+) complexes and the micro-solvation processes. ....It is found that the phenylalanine moiety appears to be in the…

化学物理 · 物理学 2013-05-24 Aravindhan Ganesan , Jens Dreyer , Feng Wang , Jaakko Akola , Julen Larrucea

Mean-Field Ring Polymer Molecular Dynamics (MF-RPMD) is a powerful, efficient, and accurate method for approximate quantum dynamic simulations of multi-level system dynamics. Initial efforts to compute nonadiabatic reaction rates using…

化学物理 · 物理学 2021-04-29 Britta Ann Johnson , Nandini Ananth

Both theoretical and experimental results for the dynamics of photoexcited electrons at surfaces of Cu and the ferromagnetic transition metals Fe, Co, and Ni are presented. A model for the dynamics of excited electrons is developed, which…

凝聚态物理 · 物理学 2009-10-31 R. Knorren , K. H. Bennemann , R. Burgermeister , M. Aeschlimann

In this paper, we apply the recently developed ab initio renormalized excitonic method (REM) to the excitation energy calculations of various molecular aggregates, through the extension of REM to the time-dependent density functional theory…

化学物理 · 物理学 2013-05-07 Yingjin Ma , Haibo Ma

We present a new quantum molecular dynamics (MD) method where the electronic structure and atomic forces are solved by a real-space dynamical mean-field theory (DMFT). Contrary to most quantum MD methods that are based on effective…

强关联电子 · 物理学 2022-08-19 Zhijie Fan , Gia-Wei Chern

The presence of solvent tunes many properties of a molecule, such as its ground and excited state geometry, dipole moment, excitation energy, and absorption spectrum. Because the energy of the system will vary depending on the solvent…

化学物理 · 物理学 2018-09-13 Tim J. Zuehlsdorff , Christine M. Isborn

Classical molecular dynamics (MD) simulations and quantum chemical density functional theory (DFT) calculations have been employed in the present study to investigate the solvation of lithium cations in pure organic carbonate solvents…

材料科学 · 物理学 2015-03-10 Ioannis Skarmoutsos , Veerapandian Ponnuchamy , Valentina Vetere , Stefano Mossa

Conical intersections constitute the conceptual bedrock of our working understanding of ultrafast, nonadiabatic processes within photochemistry (and photophysics). Accurate calculation of potential energy surfaces within the vicinity of…

化学物理 · 物理学 2023-12-12 Jack T. Taylor , David J. Tozer , Basile F. E. Curchod

Photoactive iridium complexes are of broad interest due to their applications ranging from lighting to photocatalysis. However, the excited state property prediction of these complexes challenges ab initio methods such as time-dependent…

化学物理 · 物理学 2022-09-20 Gianmarco Terrones , Chenru Duan , Aditya Nandy , Heather J. Kulik

We have investigated photoinduced intramolecular electron transfer dynamics following metal-to-ligand charge-transfer (MLCT) excitation of [Fe(CN)$_4$(2,2'-bipyridine)]$^{2-}$ (1), [Fe(CN)$_4$(2,3-bis(2-pyridyl)pyrazine)]$^{2-}$ (2) and…

We report an investigation of the low-lying excited states of the YbF molecule--a candidate molecule for experimental measurements of the electron electric dipole moment--with 2-component based multi-reference configuration interaction…

化学物理 · 物理学 2023-09-18 Johann V. Pototschnig , Kenneth G. Dyall , Lucas Visscher , André S. P. Gomes

The structure of aqueous CsCl solutions was investigated by classical molecular dynamics simulations (MD) at three salt concentrations (1.5, 7.5, and 15 mol %). Thirty interatomic potential sets, based on the 12-6 Lennard-Jones model,…

化学物理 · 物理学 2022-06-27 Ildikó Pethes

This work examines challenges associated with the accuracy of machine-learned force fields (MLFFs) for bulk solid and liquid phases of d-block elements. In exhaustive detail, we contrast the performance of force, energy, and stress…

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