Plotting HOMO and LUMO with Multiwfn
A step by step tutorial
By Sofia Kiriakidi
MultiWfn is a very useful program for wavefunction analysis. You can use a .wfn or .wfx wavefunction file for plotting any occupied orbital, but for a more accurate LUMO (and any LUMO +n) the formatted checkpoint file is needed. I use Gaussian 16 for its generation.
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