MOPAC Manual. A General Molecular Orbital Package. Fourth Edition.
Abstract
MOPAC is a general purpose, semi empirical molecular orbital program for the study of chemical reactions involving molecules, ions, and linear polymers. It implements the semi-empirical Hamiltonians MNDO, AM1, and MINDO/3 and combines the calculations of vibrational spectra, thermodynamic quantities, isotopic substitution effects, and force constants in a fully integrated program. Elements parameterized at the MNDO level include Hydrogen, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Aluminum, Silicon, Phosphorus, Sulfur, Chlorine, Chromium. Within the electronic part of the calculation, molecular and localized orbitals excited states up to sextets, chemical bond indices, charges, etc. are computed. Both intrinsic and dynamic reaction coordinates can be calculated. A transition-state location routine and two transition-state optimizing routines are available for studying chemical reactions. Keywords: Semi-empirical calculations.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1987
- Accession Number
- ADA188623
Entities
People
- James J. Stewart
Organizations
- Air Force Research Laboratory