Article,

QUASI: A general purpose implementation of the QM/MM approach and its application to problems in catalysis

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Journal of Molecular Structure: THEOCHEM, 632 (1-3): 1--28 (August 2003)
DOI: 10.1016/s0166-1280(03)00285-9

Abstract

We describe the work of the European project QUASI (Quantum Simulation in Industry, project EP25047) which has sought to develop a flexible QM/MM scheme and to apply it to a range of industrial problems. A number of QM/MM approaches were implemented within the computational chemistry scripting system, ChemShell, which provides the framework for deploying a variety of independent program packages.This software was applied in several large-scale QM/MM studies which addressed the catalytic decomposition of N2O by Cu-containing zeolites, the methanol synthesis reaction catalysed by Cu clusters supported on ZnO surfaces, and the modelling of enzyme structure and reactivity.

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