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Different single-point GFN-FF energy with and without argument --verbose #835

@dargen3

Description

@dargen3

Hello,
I'd like to report a potential bug. TOTAL ENERGY for the same structure differs with and without the --verbose flag. The version of xtb is 6.6.0.

To Reproduce

P85371.zip

xtb P85371.pdb --gfnff --alpb water
results in TOTAL ENERGY = -35.183991089038 Eh

xtb P85371.pdb --gfnff --alpb water --verbose
results in TOTAL ENERGY = -35.353063192998 Eh

In both cases, I also get the warning but without an idea, of how to handle it and whether is it related to the error described above.
[WARNING] Runtime exception occurred
-1- gfnff_setup: Could not read topology file.

If the error is on my part, please guide me.
Thank you,
Ondřej

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