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MOPAC MOPAC MOPAC
  • Installation
    • Windows
    • Linux
    • MacOS
    • Package manager Install optional components
  • Tutorials
    • Getting started
    • All tutorials
  • AMS Driver
    • Geometry and System
    • Geometry Optimization
    • Molecular Dynamics
    • Nudged Elastic Band (NEB)
    • PES Exploration
    • PES Scan, Linear Transit
    • Transition State Search
    • Vibrational Spectroscopy
  • Engines
    • ADF Molecular DFT
    • BAND Periodic DFT
    • DFTB Semi-empirical
    • ForceField AMBER, UFF, APPLE&P...
    • GFNFF Force field
    • Hybrid QM/MM and mixed methods
    • ML Potential Machine Learning potentials
    • MOPAC Semi-empirical
    • Quantum ESPRESSO Periodic DFT
    • VASP Periodic DFT
    • ReaxFF Reactive force field
    • ASE engine Use any ASE calculator
  • Meso/Macro
    • COSMO-RS Thermodynamic properties of fluids
    • Bumblebee OLED device modeling
    • Microkinetics
    • Zacros Kinetic Monte Carlo
  • Tools
    • GUI Graphical User Interface
    • ParAMS Parametrization tool
    • Simple Active Learning On-the-fly training of ML
    • OLED Deposition and Properties Multiscale OLED modeling
    • Reactions Discovery Automatic reaction-discovery workflow
    • ACE Reaction Network Generation of reaction networks
    • Conformers Conformers generation
    • MD Trajectory Analysis Analysis of MD trajectories
    • ChemTraYzer2 Detect reactions from MD simulations
    • Utilities Various utility tools
  • Scripting
    • Python Scripting Examples Examples for Python scripting
    • PLAMS Python Library for Automating Molecular Simulations
    • amspython Python stack shipped with AMS
    • pyCRS Python Scripting with COSMO-RS
    • SCM Base Library Python library with core modules
    • reactmap Atom mapping between reactants and products
    • Command-line tools
    • ASE calculator
    • pyZacros Python Library Zacros (Kinetic Monte Carlo)
  • AMS2026.1
  • Other versions
  • MOPAC
  • Index
  • Introduction
  • AMS driver’s tasks and properties
  • Input keywords
  • References
  • Examples
    • Example: GeoOpt+Frequencies of different O2 spin states
    • Example: Polarizability and hyperpolarizabilities
    • Example: Phonons
    • Example: Geometry optimization of polyethylene
    • Example: External electric field
    • Example: Camp-King Converger
    • Example: pKa prediction (PLAMS)
  • KF output files
  • FAQ
  1. Documentation /
  2. MOPAC /
  3. Examples

Examples¶

The $AMSHOME/examples/mopac directory contains many different example files, covering various MOPAC options. This is a selection of relevant examples.

  • Example: GeoOpt+Frequencies of different O2 spin states
  • Example: Polarizability and hyperpolarizabilities
  • Example: Phonons
  • Example: Geometry optimization of polyethylene
  • Example: External electric field
  • Example: Camp-King Converger
  • Example: pKa prediction (PLAMS)
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Example: GeoOpt+Frequencies of different O2 spin states

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