Gaussian 16 Linux High Quality Jun 2026

High-level Density Functional Theory (DFT) calculations and post-Hartree-Fock methods like MP4 and CC.

Gaussian 16 uses input files conventionally named with .gjf or .com extensions. A minimal input file follows this structure:

Before initiating the installation, ensure your Linux environment meets the baseline requirements for running complex quantum chemical calculations. Hardware Considerations Intel or AMD x86_64 multi-core processors.

cd /opt/gaussian/g16 ./bsd/install.csh

#!/bin/bash #SBATCH --job-name=g16_job #SBATCH --output=g16_%j.out #SBATCH --error=g16_%j.err #SBATCH --nodes=1 #SBATCH --ntasks-per-node=1 #SBATCH --cpus-per-task=16 #SBATCH --mem=32GB #SBATCH --time=24:00:00

Before diving into technical details, it is important to understand what makes Gaussian 16 special on Linux. Gaussian 16 supports parallel execution through shared‑memory (OpenMP) threading, which confines computations to a single node but allows efficient use of multiple CPU cores. Multi‑node parallelism is available through the Linda extension, although scalability remains a consideration.

setenv g16root /usr/local setenv GAUSS_SCRDIR /path/to/scratch source $g16root/g16/bsd/g16.login gaussian 16 linux

Unlike a typical apt install , Gaussian 16 is distributed as a tarball. Assume you have the installation files from Gaussian, Inc. on an ISO or G16.tar.gz .

If you need help setting up a specific configuration, please let me know:

The Gaussian website (gaussian.com) has extensive documentation, including the Running Gaussian guide and the Link 0 Commands page. -d "$GAUSS_SCRDIR" ]

Often tied to a mismatch between software memory commands ( %mem ) and stack size limit settings in Linux. Try executing ulimit -s unlimited in your terminal or submit script before initiating the g16 executable.

: Ensure all files are executable for the user.

# Gaussian 16 Configuration export g16root=/usr/local export GAUSS_SCRDIR=/tmp/gaussian_scratch source $g16root/g16/bsd/g16.profile # Create scratch directory automatically if it doesn't exist if [ ! -d "$GAUSS_SCRDIR" ]; then mkdir -p "$GAUSS_SCRDIR" fi Use code with caution. For Csh/Tcsh Users ( ~/.cshrc ) Add the following lines to your ~/.cshrc file: gaussian 16 linux