Kinetics from metadynamics: Principles, applications, and outlook

D Ray, M Parrinello - Journal of Chemical Theory and …, 2023 - ACS Publications
Metadynamics is a popular enhanced sampling algorithm for computing the free energy
landscape of rare events by using molecular dynamics simulation. Ten years ago, Tiwary …

Collective variables from local fluctuations

D Mendels, GM Piccini, M Parrinello - The journal of physical …, 2018 - ACS Publications
We introduce a method to obtain one-dimensional collective variables for studying rarely
occurring transitions between two metastable states separated by a high free energy barrier …

Rare event kinetics from adaptive bias enhanced sampling

D Ray, N Ansari, V Rizzi, M Invernizzi… - Journal of Chemical …, 2022 - ACS Publications
We introduce a novel enhanced sampling approach named on-the-fly probability enhanced
sampling (OPES) flooding for calculating the kinetics of rare events from atomistic molecular …

Metadynamics with discriminants: A tool for understanding chemistry

GM Piccini, D Mendels, M Parrinello - Journal of chemical theory …, 2018 - ACS Publications
We introduce an extension of a recently published method [Mendels et al. J. Phys. Chem.
Lett. 2018, 9, 2776− 2781] to obtain low-dimensional collective variables for studying …

Short-Time Infrequent Metadynamics for Improved Kinetics Inference

O Blumer, S Reuveni, B Hirshberg - Journal of Chemical Theory …, 2024 - ACS Publications
Infrequent Metadynamics is a popular method to obtain the rates of long time-scale
processes from accelerated simulations. The inference procedure is based on rescaling the …

Microscopic description of acid–base equilibrium

E Grifoni, GM Piccini… - Proceedings of the …, 2019 - National Acad Sciences
Acid–base reactions are ubiquitous in nature. Understanding their mechanisms is crucial in
many fields, from biochemistry to industrial catalysis. Unfortunately, experiments give only …

Efficient exploration of complex free energy landscapes by stepwise multi-subphase space metadynamics

YG Fang, X Li, Y Gao, YH Cui, JS Francisco… - The Journal of …, 2022 - pubs.aip.org
We present an efficient method based on an extension of metadynamics for exploring
complex free energy landscapes (FELs). The method employs two-step metadynamics …

Metadynamics of paths

D Mandelli, B Hirshberg, M Parrinello - Physical review letters, 2020 - APS
We present a method to sample reactive pathways via biased molecular dynamics
simulations in trajectory space. We show that the use of enhanced sampling techniques …

Combining metadynamics and integrated tempering sampling

YI Yang, H Niu, M Parrinello - The journal of physical chemistry …, 2018 - ACS Publications
The simulation of rare events is one of the key problems in atomistic simulations. Toward its
solution, a plethora of methods have been proposed. Here we combine two such methods …

Mechanistic insight into the competition between interfacial and bulk reactions in microdroplets through N2O5 ammonolysis and hydrolysis

YG Fang, B Tang, C Yuan, Z Wan, L Zhao… - Nature …, 2024 - nature.com
Reactive uptake of dinitrogen pentaoxide (N2O5) into aqueous aerosols is a major loss
channel for NOx in the troposphere; however, a quantitative understanding of the uptake …