Ghemical

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Ghemical
A screenshot of Ghemical 2.0.1.
Maintainer:	Ghemical authors
Stable release:	Template:Latest stable release/Ghemical _[+/-]
Preview release:	Template:Latest preview release/Ghemical _[+/-]
OS:	Unix-like
Use:	Computational chemistry
License:	GPL
Website:	http://bioinformatics.org/ghemical

Ghemical is a computational chemistry software package written in C++ and released under the GNU GPL. The program has GUI based on GTK+2 and supports quantum mechanical and molecular mechanic models, with geometry optimization, molecular dynamics, and a large set of visualization tools. Ghemical relies on external code to provide the quantum-mechanical calculations - MOPAC provides the semi-empirical MNDO, MINDO, AM1, and PM3 methods, and MPQC methods based on Hartree-Fock calculations.

The chemical expert system is based on OpenBabel, which provides basis functionality like atom typing, rotamer generation and import/export of chemical file formats.