Verified Download Gaussian 16 Windows Jun 2026
GaussView is sold as a separate companion product. Ensure your download includes GaussView if you require a graphical interface.
For use on one designated workstation.
Follow the on-screen prompts to select your installation directory (typically C:\G16W ).
is a flexible, efficient, and easy-to-use general-purpose quantum chemistry tool, with particular emphasis on spectroscopic properties of open-shell molecules. Binaries are available free of charge for academic users on various platforms.
Unlike older iterations, Gaussian 16 introduces advanced capabilities such as calculations with electronic embedding, time-dependent DFT (TD-DFT) for excited states, and improved methods for vibronic spectroscopy. Gaussian 16 Windows (G16W) Specifications download gaussian 16 windows
Downloading Gaussian 16 on Windows is a straightforward process that requires registration on the Gaussian website. The software is widely used in research and industry, and its features and performance make it a valuable tool for computational chemistry and materials science applications.
Minimum 4 GB; 16 GB or higher is strongly recommended for large-scale molecular modeling.
Most university students and researchers access Gaussian through a site license. Check with your university's IT department or chemistry faculty. They usually provide a local download link or a network installation drive. 2. Commercial and Individual Licenses
| Issue | Consequence | |-------|--------------| | Malware-infected installers | Keyloggers, ransomware, or crypto miners | | Cracked license files | Gaussian detects invalid licenses; software silently corrupts results | | Missing patches | Rev A vs Rev E have critical bug fixes; old versions miscompute certain functionals | | No technical support | Gaussian, Inc. refuses help for unlicensed copies | | Legal liability | Universities can revoke degrees for using pirated software in publications | GaussView is sold as a separate companion product
To confirm a successful installation:
Solution: Gaussian generates massive temporary scratch files. Set a specific scratch directory by adding %GAUSS_SCRDIR=D:\Scratch to the top of your input files, pointing to a high-capacity drive.
During the final phase of the wizard, a popup will ask you to define a Gaussian Scratch Directory .
Always download the official documentation and release notes accompanying your version. Check the file size against the portal specifications to ensure the download did not corrupt. Step-by-Step Installation Process on Windows Follow the on-screen prompts to select your installation
Significantly reduced pricing is available for degree-granting institutions. How to Purchase
Create a text file named test.gjf containing the following text block:
Optimized for high-performance workstations, allowing the software to scale efficiently across high core-count CPUs.