How do I use the Gaussian menu in Chem3D for the Macintosh?
The Gaussian menu in Chem3D was designed for a Gaussian Mac application well before MacOS X that was never released by Gaussian. Gaussian has released a version of Gaussian for MacOSX (Gaussian98M). Chem3D was not designed for this version of Gaussian and will not directly interface to it. If you do have Gaussian 98M, then you can use Chem3D to create input files that you can run with G98M. You can also use G98M to create cube files for visualization of surfaces in Chem3D.