Gaussian is a non-empirical molecular orbital calculation software developed and provided by Gaussian, Inc.
8 Contact for Gaussian’s site license inquiries. 7 Contact for inquiries about DownloadStation. 
Copy-and-paste each computer's HostID number into a single txt file and submit it with your License File Request. To simplify the licensing process for multiple stand-alone computers, Aptech can create one license file that will work on each of your lab/site computers.
Place an empty myhostid.txt file in the gauss22 folder.īEFORE performing the installation. Make the gauss22 folder on each computer. To disable the automatic opening of the myhostid.txt file, you will need to create a script to: To disable the automatic opening of the myhostid.txt file No UI: /qn, /quiet (no UI will be showed during the installation). Basic UI: /qb, /passive (only a progress bar will be shown during the installation). Reduced UI: /qr (the user interface does not show any wizard dialogs). Full UI: /qf (this is the default parameter used by the package). The GAUSS executable file (e.g., GAUSS圆4.exe, GE圆4.exe, etc.) supports these flags: Here is a link that you might find helpful: You can read the options for msiexec by just running it with no options from Start > Run. MSI packages export public properties, which you can set with the PROPERTY=value syntax on the end of the msiexec parameters. To install GAUSS in Silent Mode, you should be able to use the /quiet or /qn options with msiexec to perform a silent install. Installation on Multiple Stand-alone Computers (Lab/Site) Install GAUSS 22 in Silent Mode (Silent Install) Check to see that your License Type is NOT Demo. From from the main GAUSS menu bar, select Help > About GAUSS. To confirm that your license file is installed correctly: The default location is: C:\gauss18 (or whatever version you are installing). 
When you receive your GAUSS License File, simply place the file in the directory in which GAUSS is installed. Enter the applicable License Activation Key into the License Activation Window and follow the prompts. Start GAUSS by either clicking on the desktop icon, or the start menu short-cut. Single User License Installation GAUSS 19+ Floating Network License-InstallationĬontinue with these instructions. If the HostID number is blank, click here. If your myhostid.txt file does not open in Notepad, it will be in your GAUSS installation directory (e.g., c:\gauss18). The final line of this file contains the HostID of your computer which will be needed when you fill out the form to request your license. GAUSS v18 & PriorĪt the end of the installation process, Notepad will open a file named myhostid.txt. If you do not have a GAUSS License Activation Key, fill out this form. Note: GAUSS 22 must be installed in a location in which the user has read and write privileges, typically c:\gauss22.
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