Issue 4, 2022

Using atomic charges to model molecular polarization

Abstract

We review different models for introducing electric polarization in force fields, with special focus on methods where polarization is modelled at the atomic charge level. While electric polarization has been included in several force fields, the common approach has been to focus on atomic dipole polarizability. Several approaches allow modelling electric polarization by using charge-flow between charge sites instead, but this has been less exploited, despite that atomic charges and charge-flow is expected to be more important than atomic dipoles and dipole polarizability. A number of challenges are required to be solved for charge-flow models to be incorporated into polarizable force fields, for example how to parameterize the models and how to make them computational efficient.

Graphical abstract: Using atomic charges to model molecular polarization

Article information

Article type
Perspective
Submitted
02 اگست 2021
Accepted
04 جنؤری 2022
First published
05 جنؤری 2022

Phys. Chem. Chem. Phys., 2022,24, 1926-1943

Using atomic charges to model molecular polarization

F. Jensen, Phys. Chem. Chem. Phys., 2022, 24, 1926 DOI: 10.1039/D1CP03542H

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