[gmx-users] Library file ffG43a1.n2t not found

Justin A. Lemkul jalemkul at vt.edu
Wed Nov 12 01:37:50 CET 2008

> Hi all, I was trying to use x2top to generate a topology file, but I got following error when I selected a forcefield type. 
> Library file ffG43a1.n2t not found in current dir nor in default directories.
> (You can set the directories to search with the GMXLIB path variable)
> Please let me know what should be done. 

If you refer to x2top -h:

* The atoms to atomtype translation table is incomplete (ffG43a1.n2t file in
   the $GMXLIB directory). Please extend it and send the results back to the
   GROMACS crew.

Thus, not all of the force fields are currently supported.  Choose one that is 
(check $GMXLIB for what is available in your version).


> Rohit
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Justin A. Lemkul
Graduate Research Assistant
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080


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