期刊
INTERNATIONAL JOURNAL OF CHEMICAL KINETICS
卷 47, 期 9, 页码 564-575出版社
WILEY
DOI: 10.1002/kin.20930
关键词
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Multi-Species Multi-Channel (MSMC) is an ab initio parallel program to calculate thermodynamic quantities (e.g., Hf298, time-dependent species profiles, and rate coefficients as functions of temperature and pressure for complex chemical reaction systems, which consist of multiple stable species and multiple reaction channels interconnecting them. Thermodynamic properties of the species involved are calculated using statistical mechanics with molecular information from electronic structure calculations. Temperature- and pressure-dependent behaviors are rigorously characterized within the eigenpair master equation/Rice-Ramsperger-Kassel-Marcus (ME/RRKM) framework. Corrections, e.g., for hindered internal rotation and tunneling treatment, are included. With the implementation of an ultra-high precision package and rigorous matrix setup, MSMC is able to correctly mimic real behaviors of different types of chemical systems. Different eigenpair-based approaches to extract phenomenological/macroscopic rate coefficients are implemented for different applications. Moreover, a friendly and platform-independent graphical-user-interface (GUI) is provided to facilitate the use of MSMC and the pre-/postcalculation data visualization/analysis on the fly. The program can be freely downloaded at https://sites.google.com/site/msmccode/. (C) 2015 Wiley Periodicals, Inc. Int J Chem Kinet 47: 564-575, 2015).
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