[AMBER] Regarding the use of the opc3pol water model and the QM-MM calculation error:

From: Kankana Bhattacharjee via AMBER <amber.ambermd.org>
Date: Tue, 7 Jan 2025 13:13:08 +0530

Dear AMBER users,

I used opc3pol water model in my simulation and for that I loaded the
following commands in my initial set-up used by leap tool.
These are:
source leaprc.water.opc3pol
loadAmberParams frcmod.opc3pol_HMR4fs
Then, used gaff2 f for pyrrole one. Performed MM set-up and while running
QM-MM set-up I am getting the following error as:
Unable to correctly identify element O
Note: element guessing does not work with Hydrogen
      Mass Repartitioning if ATOMIC_NUMBER is not
      present in the topology file

How can I resolve this issue? It would be really great, if you kindly help
me with this.

Thanks & Regards
Kankana Bhattacharjee
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Received on Tue Jan 07 2025 - 00:00:02 PST
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