M-Chem: a Modular Software Package for Molecular Simulation that Spans Scientific Domains

Area of Science:

• Computational Chemistry and Materials Science

Background:

• Molecular simulations are crucial for understanding chemical and material properties.
• Existing software packages often face limitations in speed, flexibility, and model support.

Purpose of the Study:

• To introduce M-Chem, a novel, high-performance software package for molecular simulations.
• To provide a flexible and efficient platform for diverse computational modeling needs.

Main Methods:

• Developed in C++ and parallelized for shared-memory multi-core architectures.
• Implements a modular framework supporting various potentials (two-body to many-body, reactive force fields, coarse-grained, QM/MM).
• Integrates advanced algorithms for computational speed gains and standard simulation features.

Main Results:

• M-Chem offers a fast molecular dynamics engine for evaluating energies and forces.
• Supports a wide range of models and includes features like thermostats, barostats, and advanced electrostatic potential generation.
• Provides a developer-friendly environment for algorithm and model integration.

Conclusions:

• M-Chem enhances computational efficiency and flexibility in molecular simulations.
• It serves as an interdisciplinary platform for biomolecular simulations, reactive chemistry, and materials research.
• Encourages collaborative development of new computational methods.