Examples for orbitals and exporting orbital geometry

I am an animator and am in need of a molecule with orbital information to use as an artistic reference. If anyone could help me that would be great. Initially I was using the vitamin C .fchk file that comes with avagadro, however it doesn’t quite do the job.

I am trying to visualise a lipid(from a lipid membrane) for which I have pdb and trajectory data for.
Unfortunately I do not have any experience using gaussian or similar programs. Does anybody have a .fchk file for a simple saturated and unsaturated hydrocarbon…?
Or know where I could locate example fchk files.

Also, is it possible to export the orbitals from Avagadro as geometry files?

Many thanks,

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