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Related Experiment Videos

Molden: a pre- and post-processing program for molecular and electronic structures.

G Schaftenaar1, J H Noordik

  • 1CAOS/CAMM Center, Faculty of Science, Nijmegen University, The Netherlands.

Journal of Computer-Aided Molecular Design
|March 18, 2000
PubMed
Summary
This summary is machine-generated.

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Molden is a versatile software package for computational chemistry, enabling visualization of molecular electronic density and properties. It supports various ab initio and semi-empirical programs, aiding in the analysis of chemical structures and reactions.

Area of Science:

  • Computational Chemistry
  • Molecular Modeling
  • Scientific Visualization

Background:

  • Computational chemistry programs generate vast amounts of data.
  • Analyzing and visualizing this data is crucial for understanding molecular properties and behavior.
  • Existing tools may lack comprehensive features for diverse computational chemistry outputs.

Purpose of the Study:

  • To introduce MOLDEN, a software package for preprocessing and postprocessing computational chemistry data.
  • To provide advanced visualization capabilities for electronic and molecular properties.
  • To facilitate the simulation and analysis of chemical reactions and molecular dynamics.

Main Methods:

  • Direct processing of output from ab initio (e.g., Games-US/UK, Gaussian) and semi-empirical (e.g., MOPAC) programs.

Related Experiment Videos

  • Calculation and display of various molecular properties, including electron density, molecular orbitals, and Laplacian of electron density.
  • Visualization of reaction pathways, molecular vibrations, and electrostatic potentials.
  • Generation of input structures using a Z-matrix editor.
  • Support for multiple graphics output formats (XWindows, postscript, VRML, Povray).

    • Main Results:

    • MOLDEN offers diverse options for visualizing molecular electronic density (e.g., molecular orbitals, difference density).
    • It enables calculation and fitting of atomic charges to electrostatic potentials.
    • Reaction pathways and molecular vibrations can be effectively simulated and visualized.
    • The software provides a user-friendly interface for data manipulation and visualization.

    Conclusions:

    • MOLDEN is a powerful and flexible tool for computational chemists.
    • It enhances the analysis and interpretation of molecular properties derived from various computational programs.
    • The package significantly aids in understanding complex chemical phenomena through advanced visualization.