Gaussian Tutorial (Lec-13) Transition State Calculation in Gaussian 16 | TS Guess Method

Ref: https://www.science.org/doi/10.1126/s... In this tutorial, we perform a transition state (TS) calculation for the HCN → HNC isomerization using Gaussian 16 and the TS Guess Method. The video covers: • Building the initial TS guess geometry • Transition state optimization in Gaussian 16 • Frequency analysis and imaginary frequency verification • Understanding the HCN ⇌ HNC rearrangement mechanism • Important tips for successful TS convergence Transition state calculations are essential in computational chemistry for studying reaction mechanisms and energy pathways. This example provides a simple and beginner-friendly introduction to TS optimization and analysis. Whether you're new to Gaussian or looking to refine your skills, these tutorials will guide you through practical examples, tips for using the interface, and insights into advanced calculations. Perfect for students, researchers, and anyone interested in computational chemistry! If you found this video helpful, consider liking the video and subscribing to the channel for more computational chemistry tutorials. Subscribe:    / @computational_physicist   LinkedIn:   / soumyashree-das-adhikari-a14776217   Gaussian Tutorial    • Gaussian Tutorial (Lec-1) Gaussian Job Sub...   Gaussian Job Submission    • Gaussian Tutorial (Lec-2) How to Generate ...   How to Generate Gaussian cub Files and Surface Plots    • Gaussian Tutorial (Lec-3) Let's Fix Gaussi...   Let's Fix Gaussian Errors    • Gaussian Tutorial (Lec-4) Let's Edit Atom ...   Let's Edit Atom List    • Gaussian Tutorial (Lec-5) How to Build Mol...   How to Build Molecules for Gaussian Calculations in GaussView    • Gaussian Tutorial (Lec-6) ESP Maps in Minu...   ESP Maps in Minutes with GaussView    • Gaussian Tutorial (Lec-7) Control Temperat...   Control Temperature and Pressure in Gaussian Calculations    • Gaussian Tutorial (Lec-8) Excited State En...   Excited State Energy Calculation in Gaussian    • Gaussian Tutorial (Lec-9) Reduction Reacti...   Reduction Reaction in Gaussian    • Gaussian Tutorial (Lec-10) NBO Calculation...   NBO Calculation Using Gaussian    • Create Molecular Complex in GaussView | Co...   Copy, Append & Align Molecules    • Gaussian Tutorial (Lec-12) Spin Density Pl...   Spin Density Plotting in Gaussian | Generate & Visualize Cube Files #GaussianSoftware #ComputationalPhysics #computational_physicist #ComputationalChemistry #GaussianTutorial #DensityFunctionalTheory #DFT #QuantumChemistry #ElectronicStructure #MolecularModeling #Gaussian16 #ChemistryTutorial #PhysicsTutorial #ComputationalPhysicist #QuantumMechanics #MaterialScience #MolecularSimulation #AbInitio #ResearchTools