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@CCQC

Center for Computational Quantum Chemistry

Software repository and open-source project hub for the Center for Computational Quantum Chemistry (CCQC).

Center for Computational Quantum Chemistry (CCQC)

University of Georgia | Athens, GA

Welcome to the official GitHub organization for the Center for Computational Quantum Chemistry (CCQC).

About Us

Our research and software development are driven by two primary goals:

  1. Method Development: The development of new theoretical and computational methods for the study of the electronic structure of molecules.
  2. Chemical Application: The application of our new theoretical and computational methods (as well as those of others) to the solution of important problems in chemistry.

Featured Open Source Projects

In addition to contributing to a number of community open-source projects, we maintain several projects aimed at modernizing computational chemistry workflows and accelerating potential energy surface generation.

Highlighted Projects:

  • CMA A python library for computing highly accurate Hessians with linear scaling at the targeted level of theory.
  • PES-Learn A machine learning package designed to automate the construction of high-dimensional potential energy surfaces (PES) from ab initio datasets.
  • CHEMVP An open source QT library for creating publication quality figurs of molecular structures
  • Molsym An open source python library for handling molecular symmetry including Non-Abelian point groups
  • Quax A python library built on JAX for obtaining molecular energy derivatives via automatic differentiation.

Getting Involved

We welcome contributions from the broader community and hope that the software contained herein is of benefit.

Popular repositories Loading

  1. PES-Learn PES-Learn Public

    Automated Generation of Machine Learning Models of Molecular Potential Energy Surfaces

    Python 76 18

  2. Quax Quax Public

    Arbitrary-order derivatives of popular electronic structure methods, such as Hartree-Fock and coupled cluster theory.

    C++ 72 10

  3. summer-program summer-program Public

    Repository for all summer program related programs

    Wolfram Language 49 39

  4. janus janus Public

    Python library for adaptive QM/MM methods

    Python 29 10

  5. concordantmodes concordantmodes Public

    The Concordant Mode Approach utilizes lower level of theory normal modes to compute higher level force constants at a fraction of the cost!

    Python 11 7

  6. cheMVP cheMVP Public

    Vector graphic molecule viewer

    C++ 8 11

Repositories

Showing 10 of 14 repositories
  • concordantmodes Public

    The Concordant Mode Approach utilizes lower level of theory normal modes to compute higher level force constants at a fraction of the cost!

    CCQC/concordantmodes's past year of commit activity
    Python 11 BSD-3-Clause 7 6 2 Updated Sep 7, 2026
  • CMA_Benchmarker Public

    Code which automates Concordant Mode Approach (CMA) benchmarking to support rapid method development.

    CCQC/CMA_Benchmarker's past year of commit activity
    Python 0 7 0 1 Updated Aug 25, 2026
  • summer-program Public

    Repository for all summer program related programs

    CCQC/summer-program's past year of commit activity
    Wolfram Language 49 39 0 0 Updated Jul 24, 2026
  • PES-Learn Public

    Automated Generation of Machine Learning Models of Molecular Potential Energy Surfaces

    CCQC/PES-Learn's past year of commit activity
    Python 76 BSD-3-Clause 18 17 1 Updated Jul 17, 2026
  • optavc Public

    Parallel finite difference optimization and hessians from arbitrary single point energies

    CCQC/optavc's past year of commit activity
    Python 5 9 7 2 Updated Jul 10, 2026
  • ccqc.github.io Public

    Research group website for Henry F. Schaefer III, director of the Center of Computational Quantum Chemistry, a part of the Department of Chemistry at the University of Georgia.

    CCQC/ccqc.github.io's past year of commit activity
    HTML 0 6 0 2 Updated May 27, 2026
  • .github Public

    Readme repo

    CCQC/.github's past year of commit activity
    0 0 0 0 Updated May 26, 2026
  • Quax Public

    Arbitrary-order derivatives of popular electronic structure methods, such as Hartree-Fock and coupled cluster theory.

    CCQC/Quax's past year of commit activity
    C++ 72 BSD-3-Clause 10 4 0 Updated Aug 21, 2024
  • cheMVP Public

    Vector graphic molecule viewer

    CCQC/cheMVP's past year of commit activity
    C++ 8 11 6 0 Updated Aug 9, 2024
  • MolSym Public Forked from NASymmetry/MolSym

    I can't believe it's NonAbelian!

    CCQC/MolSym's past year of commit activity
    Python 0 MIT 11 0 0 Updated Apr 25, 2024

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