WebMO Support Forum: "Symmetrize molecule" failure

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August 17, 2019

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WebMO Support Forum » Running WebMO Jobs » Build Molecule » "Symmetrize molecule" failure

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Mikael Johansson
Unregistered guest

Posted on Thursday, September 18, 2014 - 9:55 am:

I have a semi-large molecule of about 450 atoms in C1 symmetry. It should have a bit higher symmetry, though, or at least very close to it. Indeed, "Symmetrize Molecule" finds C4 if I up the tolerance to 0.16.

When I press "Symmetrize", Exact Point Group in the dialogue box also changes to C4, and there are some visible changes in the molecule. If I exit the Symmetrize Molecule box and then again determine the symmetry, it is not C4, but C1 again.

The same thing happens if I let WebMo symmetrize to just C2 (which I think is the correct one). I'm using version 14.0 locally, but the guest account here behaves the same.

Any ideas on what's happening, or maybe how to do things correctly?

JR Schmidt
Moderator
Username: Schmidt

Post Number: 416
Registered: 11-2006

Posted on Thursday, September 18, 2014 - 10:33 am:

This will be very hard to debug without the specific example. Can you send me the XYZ coordinates of the (unsymmetrized) molecule by email. Thanks.

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