MCM Website

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Welcome to the MCM website

The Master Chemical Mechanism (MCM) is a near-explicit chemical mechanism describing the degredation of 135 volatile organic compounds (VOCs) in the troposphere.

Originally developed to investigate the production of ozone in the troposphere, the mechanism also aims to provide a RESEARCH TOOL for investigating areas where detailed chemistry is required, eg. the generation of intermediates.

Browse the mechanism View the list of primary VOCs from which you can navigate through the mechanism either from reactants to products, or vice-versa.	Project description Detailed information about the MCM and its history.
Search the mechanism Enter a SMILES string or MCM name to jump straight to matching species in the mechanism.	MCM Workshops Information and presentations from the MCM development and user workshops.
Extract a subset Select your own list of primary species and extract a complete mechanism for them. Mechanisms can be viewed as HTML or exported in a format compatible with the FACSIMILE integrator.	Tutorial Learn more about how to use the MCM. Download the EUROCHAMP MCM Tutorial for Chamber Simulations (for use with the FACSIMILE integrator). Save the zip file and extract with folder names enabled.
Download FACSIMILE input files for box model and trajectory model runs are available for current and previous versions of the MCM.	Feedback Join the MCM mailing list or contact the maintainers directly.
EUPHORE Chamber Simulations Notes on simulating EUPHORE chamber experiments.	Links Useful tropospheric chemistry links.