[chimerax-users] Memory problems with Orbital Viewer

[Michael Patzschke]

Dear colleagues,

I am using ChimeraX mostly for small molecular complexes, typically up to 100 atoms. I am running the code on a MacBook Pro with 16 GB of memory under macOS 11.8.8. When I try to render molecular orbitals from an orca calculation I get even for very small molecules the warning message:

Estimated peak memory usage (0.0GB) is above or close to
the available memory (0.0GB).
Exceeding available memory might affect the stability of your
computer. You may attempt to continue, but it is recommended
that you lower your resolution, decrease padding, or use
fewer threads.

Press "Ok" to continue or "Abort" to cancel

Is there any way to fix this problem?

Kind regards,
Michael Patzschke