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Systematic Parametrization of Polarizable Force Fields from Quantum Chemistry Data
Lee-Ping Wang1, Jiahao Chen2, Troy Van Voorhis2
1Department of Chemistry, Stanford University, 318 Campus Drive, Stanford, California 94350, United States.
ForceBalance is a free software tool for optimizing molecular force fields. It addresses key challenges in force field development, enabling accurate parametrization of various functional forms and creating precise models, such as for polarizable water.
Area of Science:
- Computational chemistry
- Molecular modeling
- Software development
Background:
- Force field development is crucial for molecular simulations.
- Existing methods face challenges in parametrization and accuracy.
- Systematic optimization is needed for reliable molecular models.
Purpose of the Study:
- Introduce ForceBalance, a free software for force field optimization.
- Address challenges in developing accurate molecular force fields.
- Demonstrate the utility of ForceBalance with a case study.
Main Methods:
- Developed a systematic method for force field optimization.
- Implemented flexible parametrization using diverse reference data.
- Created a free software package, ForceBalance.
Main Results:
- ForceBalance enables parametrization of various functional forms.
- The method successfully addresses key force field development challenges.
- An accurate polarizable water model was developed using ForceBalance.
Conclusions:
- ForceBalance provides a robust platform for force field optimization.
- The software facilitates the creation of highly accurate molecular models.
- Free availability promotes wider adoption in computational chemistry.
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