gaussian

Automate Gaussian quantum chemistry calculation setup, execution, and output management.

181|20|Updated Apr 29, 2026
One-click install
npx skills add https://github.com/Hello-QM/catgo-LRG --skill gaussian
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: gaussian
Source: https://github.com/Hello-QM/catgo-LRG/tree/main/.claude/skills/gaussian
Command: npx skills add https://github.com/Hello-QM/catgo-LRG --skill gaussian

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Gaussian calculations often require manual setup and careful management of input, workflow steps, and outputs, making molecular QC workflows error-prone and time-consuming.

Core Features & Use Cases

  • Generate and manage Gaussian input files (opt, freq, ts) for molecules.
  • Build and organize Gaussian workflows on HPC clusters with proper licensing and resource requests.
  • Use Case: Prepare a methane optimization with a custom basis set and analyze vibrational frequencies.

Quick Start

Prepare a Gaussian input file for a small molecule and run a geometry optimization.

Frequently Asked Questions about gaussian

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate Gaussian input file generation for molecular geometry optimization?

This workflow automates Gaussian input file generation for opt and freq keywords, streamlining quantum chemistry calculations. It automatically configures geometry optimization and vibrational frequency analysis for molecular systems to reduce manual setup errors.

What is the best way to manage Gaussian quantum chemistry workflows on HPC clusters?

The best way to manage Gaussian workflows on HPC clusters is by automating resource allocation, license compliance, and file checkpointing. This ensures proper execution of post-HF and hybrid functional calculations across your high-performance computing environment.

Do I need a licensed Gaussian installation to run post-HF calculations on HPC?

Yes, you need a licensed Gaussian installation on your HPC cluster to run post-HF and hybrid functional calculations. The workflow enforces license compliance and proper resource allocation before executing quantum chemistry tasks.

Can I use custom basis sets for transition state searches in Gaussian?

Yes, you can use custom basis sets for transition state searches by specifying ts keywords in your input generation. This allows precise configuration of molecular quantum chemistry calculations for reactive systems requiring specific basis set definitions.

Why does my Gaussian frequency calculation fail without proper file checkpointing?

Gaussian frequency calculations fail without proper file checkpointing because intermediate molecular geometry data is lost during HPC execution. Automating checkpoint file management ensures post-HF and opt workflow steps execute sequentially without data corruption.