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ACCeL: Automated Conformer Calculations and Exploration Library

ACCeL is a Python package designed to streamline the processing of conformational ensembles in computational chemistry.

It provides a simple and flexible framework for managing large sets of molecular structures, especially conformers and their variants. ACCeL supports automated workflows such as:

  • Reading and organizing output files from quantum chemistry calculations

  • Extracting atomic coordinates, energies, and thermodynamic corrections

  • Filtering structures based on energy thresholds or RMSD values

  • Generating input files using user-defined templates

  • Labeling and organizing conformers for downstream processing

  • Exporting data to CSV or coordinate formats

The core object, Box, enables method-chained operations to efficiently process molecular datasets. ACCeL is particularly useful for researchers working with large conformer sets and quantum chemical outputs.

Features

  • Automated file handling and structure filtering

  • Energy-based and structural deduplication

  • Labeling and grouping by file name

  • Boltzmann population and free energy calculations

  • Input/output support for XYZ and MOL formats

  • Extensible plugin system

Project Information

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