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Averaged Solvent Embedding Potential Parameters for Multiscale Modeling of Molecular Properties

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Solvation of Palladium Clusters in an Ionic Liquid: A QM/MM Molecular Dynamics Study

Paul Joseph Dyson

The mechanism of solvation and stabilization of palladium nanoparticles in the 1,3-dimethylimidazolium tetrafluoroborate ionic liquid (IL) has been studied using a combination of density functional theory and molecular dynamics (MD) simulations-with hybrid ...

Amer Chemical Soc2016

Multimodel Approach to the Optical Properties of Molecular Dyes in Solution

Iurii Timrov

We introduce a multimodel approach to the simulation of the optical properties of molecular dyes in solution, whereby the effects of thermal fluctuations and of dielectric screening on the absorption spectra are accounted for by explicit and implicit solva ...

Amer Chemical Soc2016

Accuracy of Protein Embedding Potentials: An Analysis in Terms of Electrostatic Potentials

Quantum-mechanical embedding methods have in recent years gained significant interest and may now be applied to predict a wide range of molecular properties calculated at different levels of theory. To reach a high level of accuracy in embedding methods, b ...

Amer Chemical Soc2015

Mixed Quantum Mechanical/Molecular Mechanical Molecular Dynamics Simulations of Biological Systems in Ground and Electronically Excited States

Ursula Röthlisberger, Elizabeth Claire Brunk

The current state of the art of Quantum Mechanical/molecular mechanical (QM/MM) molecular dynamics approaches in ground and electronically excited states and their applications to biological problems is reviewed. For a complete description of quantum pheno ...

2015

QMMMW: A wrapper for QM/MM simulations with QUANTUM ESPRESSO and LAMMPS

Changru Ma

We present QMMMW, a new program aimed at performing Quantum Mechanics/Molecular Mechanics (QM/MM) molecular dynamics. The package operates as a wrapper that patches PWscf code included in the QUANTUM ESPRESSO distribution and LAMMPS Molecular Dynamics Simu ...

Elsevier Science Bv2015

Polarizable Density Embedding: A New QM/QM/MM-Based Computational Strategy

We present a new QM-/QM/MM-based Model for calculating molecular properties and excited states,of solute-solvent systems. We denote this new approach the polarizable density embedding (PDE) model, and represents an extension of our previously developed pol ...

Amer Chemical Soc2015

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The excited state properties of transition metal complexes have become a central focus of research owing to a wide range of possible applications that seek to exploit their luminescence properties. Herein, we use density functional theory (DFT), time-depen ...

2015

Local Control Theory in Trajectory Surface Hopping Dynamics Applied to the Excited-State Proton Transfer of 4-Hydroxyacridine

Ursula Röthlisberger, Ivano Tavernelli, Basile Curchod, Thomas James Penfold

The application of local control theory combined with nonadiabatic ab initio molecular dynamics to study the photoinduced intramolecular proton transfer reaction in 4-hydroxyacridine was investigated. All calculations were performed within the framework of ...

2015

Recent developments in path integral methodology have significantly reduced the computational expense of including quantum mechanical effects in the nuclear motion in ab initio molecular dynamics simulations. However, the implementation of these developmen ...

Elsevier2014

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We extended a previously developed force matching approach to systems with covalent QM/MM boundaries and describe its user-friendly implementation in the publicly available software package CPMD. We applied this approach to the challenging case of the reti ...

2014