SHARC molecular dynamics software

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SHARC
Initial release2014
Stable release
2.1 / 14 October 2019; 6 years ago (2019-10-14).[1]
Repository
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Written inFortran, Python
Engine
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    Operating systemLinux, any other Unix variety
    TypeMolecular dynamics (simulation)
    LicenseGNU GPL[2]

    SHARC (Surface Hopping Including Arbitrary Couplings) is an ab initio molecular dynamics program suite primarily dedicated to study the excited-state dynamics of molecules. It is free for academic use, open source released under the GNU General Public License.[2]

    History

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    The SHARC software suite was made publicly available in October 2014.[3] It is developed by the SHARC development team in the group of Prof. Leticia González at the Institute of Theoretical Chemistry at the University of Vienna, Austria.

    Features

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    The SHARC molecular dynamics software can treat non-adiabatic couplings at conical intersections, intersystem crossing induced by spin-orbit coupling, and laser couplings on an equal footing.[4] It has interfaces to the ab initio software packages MOLPRO, MOLCAS, ORCA (quantum chemistry program), Gaussian (software), TURBOMOLE, COLUMBUS (needs MOLCAS), BAGEL and to user-created LVC (linear vibronic coupling) models, to machine learning properties via the SchNarc approach,[5] as well as to a tool for analytical potentials. Furthermore, it includes auxiliary Python scripts for setup, maintenance and analysis of ensembles of trajectories.

    Applications

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    The underlying methodology is based on Surface hopping, a semiclassical technique in computational chemistry. SHARC extends this method to treat spin-orbit couplings and laser interactions on an equal footing in addition to the originally included non-adiabatic effects.[4] It has been applied to study strong laser interactions in the IBr molecule. Further applications, deal with photorelaxation in SO2, cytosine, and uracil[6]

    References

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