The new Windows version fails to allocate large memory above 4GB by default. Fix: Add %Mem=32GB (or your value) in the route section of your input file. Also, ensure Windows page file is set to "System managed."
Before installation, ensure your hardware meets the recommended specifications for the 64-bit version of G16W, which is required for modern high-performance calculations. Minimum Requirement (64-bit) Windows 10, Windows 11, or Windows Server 2019 Processor AMD64 or Intel64 (EM64T) Memory (RAM) >2 GB (8-16 GB recommended for large molecules) Storage 1.5 GB for program; 2 GB+ for scratch space G16W System Requirements - Gaussian.com download+gaussian+16+windows+new
—is designed for ease of use, featuring a standard installation wizard and a dedicated graphical interface through Acquiring the Software Gaussian 16 is a licensed product The new Windows version fails to allocate large
: Extended support for excited-state calculations using Equation of Motion Coupled Cluster theory. ⚠️ Important Safety & Licensing Note Minimum Requirement (64-bit) Windows 10, Windows 11, or