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LICHEM 1.1: Recent Improvements and New Capabilities.


ABSTRACT: The QM/MM method has become a useful tool to investigate various properties of complex systems. We previously introduced the layered interacting chemical models (LICHEM) package to enable QM/MM simulations with advanced potentials by combining various (unmodified) QM and MM codes ( J. Comp. Chem., 2016, 37, 1019). LICHEM provides several capabilities such as the ability to use polarizable force fields, such as AMOEBA, for the MM environment. Here, we describe an updated version of LICHEM (v1.1), which includes several new functionalities including a new method to account for long-range electrostatic effects in QM/MM (QM/MM-LREC), a new implementation for QM/MM with the Gaussian electrostatic model (GEM), and new capabilities for path optimizations using the quadratic string model (QSM) coupled with restrained MM environment optimization.

SUBMITTER: Gokcan H 

PROVIDER: S-EPMC6526954 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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LICHEM 1.1: Recent Improvements and New Capabilities.

Gökcan Hatice H   Vázquez-Montelongo Erik Antonio EA   Cisneros G Andrés GA  

Journal of chemical theory and computation 20190402 5


The QM/MM method has become a useful tool to investigate various properties of complex systems. We previously introduced the layered interacting chemical models (LICHEM) package to enable QM/MM simulations with advanced potentials by combining various (unmodified) QM and MM codes ( J. Comp. Chem., 2016, 37, 1019). LICHEM provides several capabilities such as the ability to use polarizable force fields, such as AMOEBA, for the MM environment. Here, we describe an updated version of LICHEM (v1.1),  ...[more]

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