: You can purchase a license directly from the Official Gaussian, Inc. Pricing Page .
Models molecules in the gas phase, in solution, or within crystalline environments.
: Gaussian requires a designated "scratch" folder for temporary files during calculations. Ensure this folder is on a drive with plenty of free space. GaussView Integration : Most users pair 16W with GaussView 6
For organizations that prefer physical installation media, Gaussian 16W is also available on CD-ROM or DVD, which can be purchased from authorized resellers. This method is particularly useful for air-gapped systems or environments with restricted internet access. gaussian 16w link download
Gaussian 16W is the Microsoft Windows version of the industry-standard Gaussian computational chemistry software suite. It allows chemists, chemical engineers, and materials scientists to model complex molecular structures and predict chemical reactions directly from a desktop environment.
Includes Hartree-Fock, Density Functional Theory (DFT), Møller–Plesset perturbation theory (MP2, MP4), and high-accuracy composite methods (CBS, G1-G4). The Danger of Unauthorized "Free Download" Links
For commercial users, the 32-bit serial single-machine version carries a standard price of approximately ¥512,600 JPY plus tax (equivalent to roughly $3,500–$4,000 USD depending on exchange rates). The 64-bit multiprocessor version commands a higher price, with educational discounts available for qualifying institutions. Site-wide licenses are also offered for organizations requiring multi-user access. : You can purchase a license directly from
: Licensing covers the whole university; contact their IT support for access.
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Simulates IR, Raman, NMR, UV-Vis, VCD, and ROA spectra with high precision. : Gaussian requires a designated "scratch" folder for
To obtain (the Windows version of Gaussian 16), you must typically acquire a license directly from Gaussian, Inc. or through your academic institution. Unlike open-source software, there is no public "free" download link for the full version on the official website. 1. How to Obtain the Software
As of 2025, the latest revision may be C.01 or higher. Always download the latest revision available for your license.
Once installation finishes, click "Finish" to exit the wizard. The desktop shortcut to Gaussian 16W should be created automatically.