Molecular modelers often face the challenge of analyzing the energy profiles of molecular paths or trajectories. Understanding energy variations is crucial for evaluating molecular stability, reaction pathways, and interactions. However, comparing energy components, switching views, or adapting units often involves tedious recalculations or reconfigurations. The Path Analyzer – Energy tool in SAMSON simplifies this process, offering an intuitive and flexible approach to energy analysis.
Why Use the Energy Analysis Tool?
The Energy analysis feature in SAMSON directly follows path energy and allows users to display it as an energy series or energy distribution. These visualizations provide diverse insights into the behavior of molecular systems:
- Energy Series: Track how energy evolves along a defined path or trajectory.
- Energy Distribution: Examine the sampled energy distribution, which can highlight energy fluctuation patterns.
One of the most significant advantages of using this tool is the dynamic card settings. With just a few clicks, you can switch among energy components (e.g., Potential, Kinetic, Total), views (e.g., Absolute, Relative to first, Relative to minimum, or Running minimum), and units (e.g., eV, kcal/mol, kJ/mol, and more). This flexibility saves time and eliminates the need for redundant setups.
How to Add an Energy Analysis Plot
Getting started is straightforward. Follow these simple steps to add your energy plot:
- Open Path Analyzer in SAMSON.
- Select Energy in the Observable drop-down menu.
- Choose your Path (ensure it includes energy data).
- Click Add Energy Series or Add Energy Distribution, depending on the visualization you need.
No explicit atom selection is required, and you can immediately start examining energy data relative to your molecular path.
Enhanced Visualization Options
Once the energy card is created, you can adjust the settings for maximum analytical flexibility:
- Switch components: Compare
Potential,Kinetic,Total, orAll energies. - Switch views: Use relative views to focus on energy differences (
Relative to first,Relative to minimum,Running minimum), or stay with absolute values. - Switch units: Choose from
eV,kJ/mol,kcal/mol,Hartree, or leave it onAuto.
This adaptability suits researchers with diverse project requirements, whether studying reaction mechanisms or macromolecular interactions.
Tips for an Efficient Workflow
Pro Tips:
- Apply relative views when your goal is to highlight differences rather than focusing on absolute energy values.
- If kinetic data is unavailable for your system, Path Analyzer automatically uses potential energy so you can continue your analysis seamlessly.
- Combine energy cards with other visualizations like Custom Scatter and Energy Landscape for comprehensive insights.
Learn More
For detailed guidance on energy analysis, visit the full documentation page at Path Analyzer – Energy.
SAMSON and all SAMSON Extensions are free for non-commercial use. Get SAMSON from here.
