@pH13-YetanotherPhilipp We don't need Gaussview! You can visualize the results directly in MMA
also, from reading it, I think it is the -1 option you need, not the -5 option
For instance, if I have a formatted checkpoint file, furan1.chk
Then I can make a potential grid using cubegen, where the grid starts at the point {1.0, 5.0, 5.0} (atomic units), and has 21 grid points in the x direction, 20 grid points in the y direction, and 19 grid points in the z direction, with {dx, dy, dz} = {.1, .2, .3} by using the following command: