Understanding Energy Views in Path Analyzer

One of the key challenges for molecular modelers is analyzing energy data efficiently to make sense of their simulations. Whether comparing potential and kinetic energies, or tracking energy along a molecular path or trajectory, accurate energy analysis can provide valuable insights. However, the process can become cumbersome when analysts need to recompute plots under different settings. Enter the Energy module in SAMSON’s Path Analyzer—a versatile tool that simplifies energy analysis with a wide range of customizable settings.

What Makes It Unique?

The Energy analysis in SAMSON Path Analyzer focuses on the energy characteristics of a path. What sets it apart is the ability to switch between components, units, and relative-energy views without redoing the underlying analysis. This not only saves time but also allows more flexibility in workflows.

Different Energy Views Explained

SAMSON provides several useful views for exploring energy data:

  • Energy Series: This view helps you follow the energy variations along a path or trajectory, point by point. It’s ideal for tracking progressive changes in molecular simulations.
  • Energy Distribution: This view is better suited for understanding the distribution of energies sampled along the path, providing insights into system stability and variability.

Whether you’re analyzing structural stability or energy barriers, these views give modelers a tailored perspective on their data.

How to Add These Views

  1. Navigate to the Path Analyzer in SAMSON.
  2. In the Observable field, select Energy.
  3. Choose the relevant path containing energy data.
  4. Add the desired representation via Add Energy Series or Add Energy Distribution. This action instantly generates your chosen view!

Customizing Your Analysis

What’s great about the Energy module is the flexibility to customize your analysis without reloading data:

  • You can toggle between different Components such as Potential, Kinetic, Total, or All energies.
  • You can adjust the View to Absolute values or relative references such as Relative to first, Relative to minimum, or Running minimum, depending on your objective.
  • Change the Unit to fit your preferences, choosing from Auto, eV, kJ/mol, kcal/mol, or Hartree.

This adaptability makes the Energy module especially handy for modelers who often need to zoom in on specific aspects of energy changes, like relative differences or absolute offsets.

Pro Tip for Advanced Analysis

The Energy module pairs particularly well with other analysis tools within SAMSON. For instance:

  • Coupling Energy cards with Custom Scatter allows you to extend your analysis by exploring correlations between energy and other variables.
  • Using Energy Landscape, you can visualize and interpret complex energy variations to identify critical states or transitions in your system.

These combinations unlock even deeper insights into the molecular paths you’re studying, making your analyses more comprehensive.

Learn More

The Path Analyzer’s energy functionalities are designed to streamline your workflow while providing detailed insights. Want to explore all the features it offers? Visit the original documentation page on Energy Analysis to learn more.

Note: SAMSON and all SAMSON Extensions are free for non-commercial use. You can get SAMSON at SAMSON Connect.

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