New angles on standard force fields: Toward a general approach for treating atomic-level anisotropy
MJ Van Vleet, AJ Misquitta… - Journal of Chemical …, 2018 - ACS Publications
Nearly all standard force fields employ the “sum-of-spheres” approximation, which models
intermolecular interactions purely in terms of interatomic distances. Nonetheless, atoms in …
intermolecular interactions purely in terms of interatomic distances. Nonetheless, atoms in …
Development and implementation of atomically anisotropic first-principles force fields: A benzene case study
TD Janicki, MJ Van Vleet… - The Journal of Physical …, 2023 - ACS Publications
π-interactions are an important motif in chemical and biochemical systems. However, due to
their anisotropic electron densities and complex balance of intermolecular interactions …
their anisotropic electron densities and complex balance of intermolecular interactions …
Multipole-based force fields from ab initio interaction energies and the need for jointly refitting all intermolecular parameters
Distributed atomic multipole (MTP) moments promise significant improvements over point
charges (PCs) in molecular force fields, as they (a) more realistically reproduce the ab initio …
charges (PCs) in molecular force fields, as they (a) more realistically reproduce the ab initio …
Beyond Born–Mayer: Improved models for short-range repulsion in ab initio force fields
MJ Van Vleet, AJ Misquitta, AJ Stone… - Journal of chemical …, 2016 - ACS Publications
Short-range repulsion within intermolecular force fields is conventionally described by either
Lennard-Jones (A/r 12) or Born–Mayer (A exp (− Br)) forms. Despite their widespread use …
Lennard-Jones (A/r 12) or Born–Mayer (A exp (− Br)) forms. Despite their widespread use …
Deriving force-field parameters from first principles using a polarizable and higher order dispersion model
KM Visscher, DP Geerke - Journal of chemical theory and …, 2019 - ACS Publications
In this work we propose a strategy based on quantum mechanical (QM) calculations to
parametrize a polarizable force field for use in molecular dynamics (MD) simulations. We …
parametrize a polarizable force field for use in molecular dynamics (MD) simulations. We …
[HTML][HTML] Preface: special topic: from quantum mechanics to force fields
JP Piquemal, KD Jordan - The Journal of Chemical Physics, 2017 - pubs.aip.org
This Special Topic issue entitled “From Quantum Mechanics to Force Fields” is dedicated to
the ongoing efforts of the theoretical chemistry community to develop a new generation of …
the ongoing efforts of the theoretical chemistry community to develop a new generation of …
An efficient algorithm for multipole energies and derivatives based on spherical harmonics and extensions to particle mesh Ewald
Next-generation molecular force fields deliver accurate descriptions of non-covalent
interactions by employing more elaborate functional forms than their predecessors. Much …
interactions by employing more elaborate functional forms than their predecessors. Much …
Machine-learned molecular mechanics force fields from large-scale quantum chemical data
The development of reliable and extensible molecular mechanics (MM) forcefields—fast,
empirical models characterizing the potential energy surface of molecular systems—is …
empirical models characterizing the potential energy surface of molecular systems—is …
Atomic multipoles: Electrostatic potential fit, local reference axis systems, and conformational dependence
Currently, all standard force fields for biomolecular simulations use point charges to model
intermolecular electrostatic interactions. This is a fast and simple approach but has …
intermolecular electrostatic interactions. This is a fast and simple approach but has …
Physically-motivated force fields from symmetry-adapted perturbation theory
JG McDaniel, JR Schmidt - The Journal of Physical Chemistry A, 2013 - ACS Publications
We present a general methodology for generating accurate and transferable ab initio force
fields, employing the framework of symmetry adapted perturbation theory (SAPT). The …
fields, employing the framework of symmetry adapted perturbation theory (SAPT). The …