[AMBER] Dr. Nick Riviera

From: Eric Pettersen <pett.cgl.ucsf.edu>
Date: Wed, 27 Sep 2017 12:43:21 -0700

Antechamber’s new “acdoctor” sometimes misdiagnoses valences and rejects perfectly fine compounds. I am currently working around the issue by turning off the doctor with the “-dr n” flag, but thought I would provide a couple of examples of bad diagnoses so that hopefully acdoctor can be improved.

The first is pretty simple. It believes a nitro group implies 5 bonds to the nitrogen rather than 4, e.g. N2 in this compound:



The second is a misdiagnosis of the valences in/near a ring. In the following compound it believes there is a double bond between C33 and C34 (giving C33 a valence of 5) when the double bond is actually between C34 and C38.



—Eric


        Eric Pettersen
        UCSF Computer Graphics Lab




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Received on Wed Sep 27 2017 - 13:00:03 PDT
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