Chemical Engineering & Chemistry



Molpro is a complete system of ab initio programs for molecular electronic structure calculations.  The emphasis is on highly accurate computations, with computationally efficient and extensive treatments of electron correlation. The Molpro program offers multiconfiguration SCF, multireference CI, coupled-cluster routines, local electron correlation methods, and a wide range of supporting features. Additional information can be found at the Molpro website.


SIESTA is both a method and its computer program implementation, to perform efficient electronic structure calculations and ab initio molecular dynamics simulations of molecules and solids. More information can be found from here.

Cambridge Structural Database


The Cambridge Structural Database (CSD) contains complete structure information on hundreds of thousands of small molecule crystals. The Cambridge Crystallographic Data Centre (CCDC) is a suite of programs for CSD search and analysis. The Cambridge Crystallographic Data Centre Home Page has additional information.


Several versions of the software package are available at OSC. Search for csd in this list:

module avail csd

Quantum Espresso

Quantum ESPRESSO is a program package for ab-initio molecular dynamics (MD) simulations and electronic structure calculations.  It is based on density-functional theory, plane waves, and pseudopotentials.


The Large-scale Atomic/Molecular Massively Parallel Simulator (LAMMPS) is a classical molecular dynamics code designed for high-performance simulation of large atomistic systems.  LAMMPS generally scales well on OSC platforms, provides a variety of modeling techniques, and offers GPU accelerated computation.


Gaussian is the most popular general purpose electronic structure program. Its latest version, g09, can perform density functional theory, Hartree-Fock, Möller-Plesset, coupled-cluster, and configuration interaction calculations among others. Geometry optimizations, vibrational frequencies, magnetic properties, and solution modeling are available. It performs well as black-box software on closed-shell ground state systems.


The Assisted Model Building with Energy Refinement (AMBER) package contains many molecular simulation programs targeted at biomolecular systems. A wide variety of modelling techniques are available. It generally scales well on modest numbers of processors, and the GPU enabled CUDA programs are very efficient.


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